From f3e86a5a759817884a9e6c6d91711b702c471796 Mon Sep 17 00:00:00 2001 From: jrburke Date: Thu, 22 Sep 2011 20:03:45 -0700 Subject: [PATCH] Restoring a file mentioned by almond README. --- dist/r-20110821.js | 8693 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 8693 insertions(+) create mode 100644 dist/r-20110821.js diff --git a/dist/r-20110821.js b/dist/r-20110821.js new file mode 100644 index 00000000..77823f6b --- /dev/null +++ b/dist/r-20110821.js @@ -0,0 +1,8693 @@ +/** + * @license r.js 0.26.0+ 20110821 8:20pm Pacific Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/* + * This is a bootstrap script to allow running RequireJS in the command line + * in either a Java/Rhino or Node environment. It is modified by the top-level + * dist.js file to inject other files to completely enable this file. It is + * the shell of the r.js file. + */ + +/*jslint strict: false, evil: true, nomen: false */ +/*global readFile: true, process: false, Packages: false, print: false, +console: false, java: false, module: false */ + +var requirejs, require, define; +(function (console, args, readFileFunc) { + + var fileName, env, fs, vm, path, exec, rhinoContext, dir, nodeRequire, + nodeDefine, exists, reqMain, loadedOptimizedLib, + version = '0.26.0+ 20110821 8:20pm Pacific', + jsSuffixRegExp = /\.js$/, + commandOption = '', + //Used by jslib/rhino/args.js + rhinoArgs = args, + readFile = typeof readFileFunc !== 'undefined' ? readFileFunc : null; + + function showHelp() { + console.log('See https://github.com/jrburke/r.js for usage.'); + } + + if (typeof Packages !== 'undefined') { + env = 'rhino'; + + fileName = args[0]; + + if (fileName && fileName.indexOf('-') === 0) { + commandOption = fileName.substring(1); + fileName = args[1]; + } + + //Set up execution context. + rhinoContext = Packages.org.mozilla.javascript.ContextFactory.getGlobal().enterContext(); + + exec = function (string, name) { + return rhinoContext.evaluateString(this, string, name, 0, null); + }; + + exists = function (fileName) { + return (new java.io.File(fileName)).exists(); + }; + + //Define a console.log for easier logging. Don't + //get fancy though. + if (typeof console === 'undefined') { + console = { + log: function () { + print.apply(undefined, arguments); + } + }; + } + } else if (typeof process !== 'undefined') { + env = 'node'; + + //Get the fs module via Node's require before it + //gets replaced. Used in require/node.js + fs = require('fs'); + vm = require('vm'); + path = require('path'); + nodeRequire = require; + nodeDefine = define; + reqMain = require.main; + + //Temporarily hide require and define to allow require.js to define + //them. + require = undefined; + define = undefined; + + readFile = function (path) { + return fs.readFileSync(path, 'utf8'); + }; + + exec = function (string, name) { + return vm.runInThisContext(this.requirejsVars.require.makeNodeWrapper(string), + name ? fs.realpathSync(name) : ''); + }; + + exists = function (fileName) { + return path.existsSync(fileName); + }; + + + fileName = process.argv[2]; + + if (fileName && fileName.indexOf('-') === 0) { + commandOption = fileName.substring(1); + fileName = process.argv[3]; + } + } + + /** vim: et:ts=4:sw=4:sts=4 + * @license RequireJS 0.26.0+ Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ +/*jslint strict: false, plusplus: false */ +/*global window: false, navigator: false, document: false, importScripts: false, + jQuery: false, clearInterval: false, setInterval: false, self: false, + setTimeout: false, opera: false */ + + +(function () { + //Change this version number for each release. + var version = "0.26.0+", + commentRegExp = /(\/\*([\s\S]*?)\*\/|\/\/(.*)$)/mg, + cjsRequireRegExp = /require\(\s*["']([^'"\s]+)["']\s*\)/g, + currDirRegExp = /^\.\//, + jsSuffixRegExp = /\.js$/, + ostring = Object.prototype.toString, + ap = Array.prototype, + aps = ap.slice, + apsp = ap.splice, + isBrowser = !!(typeof window !== "undefined" && navigator && document), + isWebWorker = !isBrowser && typeof importScripts !== "undefined", + //PS3 indicates loaded and complete, but need to wait for complete + //specifically. Sequence is "loading", "loaded", execution, + // then "complete". The UA check is unfortunate, but not sure how + //to feature test w/o causing perf issues. + readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? + /^complete$/ : /^(complete|loaded)$/, + defContextName = "_", + //Oh the tragedy, detecting opera. See the usage of isOpera for reason. + isOpera = typeof opera !== "undefined" && opera.toString() === "[object Opera]", + reqWaitIdPrefix = "_r@@", + empty = {}, + contexts = {}, + globalDefQueue = [], + interactiveScript = null, + isDone = false, + checkLoadedDepth = 0, + useInteractive = false, + req, cfg = {}, currentlyAddingScript, s, head, baseElement, scripts, script, + src, subPath, mainScript, dataMain, i, scrollIntervalId, setReadyState, ctx, + jQueryCheck, checkLoadedTimeoutId; + + function isFunction(it) { + return ostring.call(it) === "[object Function]"; + } + + function isArray(it) { + return ostring.call(it) === "[object Array]"; + } + + /** + * Simple function to mix in properties from source into target, + * but only if target does not already have a property of the same name. + * This is not robust in IE for transferring methods that match + * Object.prototype names, but the uses of mixin here seem unlikely to + * trigger a problem related to that. + */ + function mixin(target, source, force) { + for (var prop in source) { + if (!(prop in empty) && (!(prop in target) || force)) { + target[prop] = source[prop]; + } + } + return req; + } + + /** + * Constructs an error with a pointer to an URL with more information. + * @param {String} id the error ID that maps to an ID on a web page. + * @param {String} message human readable error. + * @param {Error} [err] the original error, if there is one. + * + * @returns {Error} + */ + function makeError(id, msg, err) { + var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id); + if (err) { + e.originalError = err; + } + return e; + } + + /** + * Used to set up package paths from a packagePaths or packages config object. + * @param {Object} pkgs the object to store the new package config + * @param {Array} currentPackages an array of packages to configure + * @param {String} [dir] a prefix dir to use. + */ + function configurePackageDir(pkgs, currentPackages, dir) { + var i, location, pkgObj; + + for (i = 0; (pkgObj = currentPackages[i]); i++) { + pkgObj = typeof pkgObj === "string" ? { name: pkgObj } : pkgObj; + location = pkgObj.location; + + //Add dir to the path, but avoid paths that start with a slash + //or have a colon (indicates a protocol) + if (dir && (!location || (location.indexOf("/") !== 0 && location.indexOf(":") === -1))) { + location = dir + "/" + (location || pkgObj.name); + } + + //Create a brand new object on pkgs, since currentPackages can + //be passed in again, and config.pkgs is the internal transformed + //state for all package configs. + pkgs[pkgObj.name] = { + name: pkgObj.name, + location: location || pkgObj.name, + //Remove leading dot in main, so main paths are normalized, + //and remove any trailing .js, since different package + //envs have different conventions: some use a module name, + //some use a file name. + main: (pkgObj.main || "main") + .replace(currDirRegExp, '') + .replace(jsSuffixRegExp, '') + }; + } + } + + /** + * jQuery 1.4.3-1.5.x use a readyWait/ready() pairing to hold DOM + * ready callbacks, but jQuery 1.6 supports a holdReady() API instead. + * At some point remove the readyWait/ready() support and just stick + * with using holdReady. + */ + function jQueryHoldReady($, shouldHold) { + if ($.holdReady) { + $.holdReady(shouldHold); + } else if (shouldHold) { + $.readyWait += 1; + } else { + $.ready(true); + } + } + + if (typeof define !== "undefined") { + //If a define is already in play via another AMD loader, + //do not overwrite. + return; + } + + if (typeof requirejs !== "undefined") { + if (isFunction(requirejs)) { + //Do not overwrite and existing requirejs instance. + return; + } else { + cfg = requirejs; + requirejs = undefined; + } + } + + //Allow for a require config object + if (typeof require !== "undefined" && !isFunction(require)) { + //assume it is a config object. + cfg = require; + require = undefined; + } + + /** + * Creates a new context for use in require and define calls. + * Handle most of the heavy lifting. Do not want to use an object + * with prototype here to avoid using "this" in require, in case it + * needs to be used in more super secure envs that do not want this. + * Also there should not be that many contexts in the page. Usually just + * one for the default context, but could be extra for multiversion cases + * or if a package needs a special context for a dependency that conflicts + * with the standard context. + */ + function newContext(contextName) { + var context, resume, + config = { + waitSeconds: 7, + baseUrl: s.baseUrl || "./", + paths: {}, + pkgs: {}, + catchError: {} + }, + defQueue = [], + specified = { + "require": true, + "exports": true, + "module": true + }, + urlMap = {}, + defined = {}, + loaded = {}, + waiting = {}, + waitAry = [], + waitIdCounter = 0, + managerCallbacks = {}, + plugins = {}, + pluginsQueue = {}, + resumeDepth = 0, + normalizedWaiting = {}; + + /** + * Trims the . and .. from an array of path segments. + * It will keep a leading path segment if a .. will become + * the first path segment, to help with module name lookups, + * which act like paths, but can be remapped. But the end result, + * all paths that use this function should look normalized. + * NOTE: this method MODIFIES the input array. + * @param {Array} ary the array of path segments. + */ + function trimDots(ary) { + var i, part; + for (i = 0; (part = ary[i]); i++) { + if (part === ".") { + ary.splice(i, 1); + i -= 1; + } else if (part === "..") { + if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { + //End of the line. Keep at least one non-dot + //path segment at the front so it can be mapped + //correctly to disk. Otherwise, there is likely + //no path mapping for a path starting with '..'. + //This can still fail, but catches the most reasonable + //uses of .. + break; + } else if (i > 0) { + ary.splice(i - 1, 2); + i -= 2; + } + } + } + } + + /** + * Given a relative module name, like ./something, normalize it to + * a real name that can be mapped to a path. + * @param {String} name the relative name + * @param {String} baseName a real name that the name arg is relative + * to. + * @returns {String} normalized name + */ + function normalize(name, baseName) { + var pkgName, pkgConfig; + + //Adjust any relative paths. + if (name && name.charAt(0) === ".") { + //If have a base name, try to normalize against it, + //otherwise, assume it is a top-level require that will + //be relative to baseUrl in the end. + if (baseName) { + if (config.pkgs[baseName]) { + //If the baseName is a package name, then just treat it as one + //name to concat the name with. + baseName = [baseName]; + } else { + //Convert baseName to array, and lop off the last part, + //so that . matches that "directory" and not name of the baseName's + //module. For instance, baseName of "one/two/three", maps to + //"one/two/three.js", but we want the directory, "one/two" for + //this normalization. + baseName = baseName.split("/"); + baseName = baseName.slice(0, baseName.length - 1); + } + + name = baseName.concat(name.split("/")); + trimDots(name); + + //Some use of packages may use a . path to reference the + //"main" module name, so normalize for that. + pkgConfig = config.pkgs[(pkgName = name[0])]; + name = name.join("/"); + if (pkgConfig && name === pkgName + '/' + pkgConfig.main) { + name = pkgName; + } + } + } + return name; + } + + /** + * Creates a module mapping that includes plugin prefix, module + * name, and path. If parentModuleMap is provided it will + * also normalize the name via require.normalize() + * + * @param {String} name the module name + * @param {String} [parentModuleMap] parent module map + * for the module name, used to resolve relative names. + * + * @returns {Object} + */ + function makeModuleMap(name, parentModuleMap) { + var index = name ? name.indexOf("!") : -1, + prefix = null, + parentName = parentModuleMap ? parentModuleMap.name : null, + originalName = name, + normalizedName, url, pluginModule; + + if (index !== -1) { + prefix = name.substring(0, index); + name = name.substring(index + 1, name.length); + } + + if (prefix) { + prefix = normalize(prefix, parentName); + } + + //Account for relative paths if there is a base name. + if (name) { + if (prefix) { + pluginModule = defined[prefix]; + if (pluginModule) { + //Plugin is loaded, use its normalize method, otherwise, + //normalize name as usual. + if (pluginModule.normalize) { + normalizedName = pluginModule.normalize(name, function (name) { + return normalize(name, parentName); + }); + } else { + normalizedName = normalize(name, parentName); + } + } else { + //Plugin is not loaded yet, so do not normalize + //the name, wait for plugin to load to see if + //it has a normalize method. To avoid possible + //ambiguity with relative names loaded from another + //plugin, use the parent's name as part of this name. + normalizedName = '__$p' + parentName + '@' + (name || ''); + } + } else { + normalizedName = normalize(name, parentName); + } + + url = urlMap[normalizedName]; + if (!url) { + //Calculate url for the module, if it has a name. + if (req.toModuleUrl) { + //Special logic required for a particular engine, + //like Node. + url = req.toModuleUrl(context, normalizedName, parentModuleMap); + } else { + url = context.nameToUrl(normalizedName, null, parentModuleMap); + } + + //Store the URL mapping for later. + urlMap[normalizedName] = url; + } + } + + return { + prefix: prefix, + name: normalizedName, + parentMap: parentModuleMap, + url: url, + originalName: originalName, + fullName: prefix ? prefix + "!" + (normalizedName || '') : normalizedName + }; + } + + /** + * Determine if priority loading is done. If so clear the priorityWait + */ + function isPriorityDone() { + var priorityDone = true, + priorityWait = config.priorityWait, + priorityName, i; + if (priorityWait) { + for (i = 0; (priorityName = priorityWait[i]); i++) { + if (!loaded[priorityName]) { + priorityDone = false; + break; + } + } + if (priorityDone) { + delete config.priorityWait; + } + } + return priorityDone; + } + + /** + * Helper function that creates a setExports function for a "module" + * CommonJS dependency. Do this here to avoid creating a closure that + * is part of a loop. + */ + function makeSetExports(moduleObj) { + return function (exports) { + moduleObj.exports = exports; + }; + } + + function makeContextModuleFunc(func, relModuleMap, enableBuildCallback) { + return function () { + //A version of a require function that passes a moduleName + //value for items that may need to + //look up paths relative to the moduleName + var args = [].concat(aps.call(arguments, 0)), lastArg; + if (enableBuildCallback && + isFunction((lastArg = args[args.length - 1]))) { + lastArg.__requireJsBuild = true; + } + args.push(relModuleMap); + return func.apply(null, args); + }; + } + + /** + * Helper function that creates a require function object to give to + * modules that ask for it as a dependency. It needs to be specific + * per module because of the implication of path mappings that may + * need to be relative to the module name. + */ + function makeRequire(relModuleMap, enableBuildCallback) { + var modRequire = makeContextModuleFunc(context.require, relModuleMap, enableBuildCallback); + + mixin(modRequire, { + nameToUrl: makeContextModuleFunc(context.nameToUrl, relModuleMap), + toUrl: makeContextModuleFunc(context.toUrl, relModuleMap), + defined: makeContextModuleFunc(context.requireDefined, relModuleMap), + specified: makeContextModuleFunc(context.requireSpecified, relModuleMap), + ready: req.ready, + isBrowser: req.isBrowser + }); + //Something used by node. + if (req.paths) { + modRequire.paths = req.paths; + } + return modRequire; + } + + /** + * Used to update the normalized name for plugin-based dependencies + * after a plugin loads, since it can have its own normalization structure. + * @param {String} pluginName the normalized plugin module name. + */ + function updateNormalizedNames(pluginName) { + + var oldFullName, oldModuleMap, moduleMap, fullName, callbacks, + i, j, k, depArray, existingCallbacks, + maps = normalizedWaiting[pluginName]; + + if (maps) { + for (i = 0; (oldModuleMap = maps[i]); i++) { + oldFullName = oldModuleMap.fullName; + moduleMap = makeModuleMap(oldModuleMap.originalName, oldModuleMap.parentMap); + fullName = moduleMap.fullName; + //Callbacks could be undefined if the same plugin!name was + //required twice in a row, so use empty array in that case. + callbacks = managerCallbacks[oldFullName] || []; + existingCallbacks = managerCallbacks[fullName]; + + if (fullName !== oldFullName) { + //Update the specified object, but only if it is already + //in there. In sync environments, it may not be yet. + if (oldFullName in specified) { + delete specified[oldFullName]; + specified[fullName] = true; + } + + //Update managerCallbacks to use the correct normalized name. + //If there are already callbacks for the normalized name, + //just add to them. + if (existingCallbacks) { + managerCallbacks[fullName] = existingCallbacks.concat(callbacks); + } else { + managerCallbacks[fullName] = callbacks; + } + delete managerCallbacks[oldFullName]; + + //In each manager callback, update the normalized name in the depArray. + for (j = 0; j < callbacks.length; j++) { + depArray = callbacks[j].depArray; + for (k = 0; k < depArray.length; k++) { + if (depArray[k] === oldFullName) { + depArray[k] = fullName; + } + } + } + } + } + } + + delete normalizedWaiting[pluginName]; + } + + /* + * Queues a dependency for checking after the loader is out of a + * "paused" state, for example while a script file is being loaded + * in the browser, where it may have many modules defined in it. + * + * depName will be fully qualified, no relative . or .. path. + */ + function queueDependency(dep) { + //Make sure to load any plugin and associate the dependency + //with that plugin. + var prefix = dep.prefix, + fullName = dep.fullName; + + //Do not bother if the depName is already in transit + if (specified[fullName] || fullName in defined) { + return; + } + + if (prefix && !plugins[prefix]) { + //Queue up loading of the dependency, track it + //via context.plugins. Mark it as a plugin so + //that the build system will know to treat it + //special. + plugins[prefix] = undefined; + + //Remember this dep that needs to have normaliztion done + //after the plugin loads. + (normalizedWaiting[prefix] || (normalizedWaiting[prefix] = [])) + .push(dep); + + //Register an action to do once the plugin loads, to update + //all managerCallbacks to use a properly normalized module + //name. + (managerCallbacks[prefix] || + (managerCallbacks[prefix] = [])).push({ + onDep: function (name, value) { + if (name === prefix) { + updateNormalizedNames(prefix); + } + } + }); + + queueDependency(makeModuleMap(prefix)); + } + + context.paused.push(dep); + } + + function execManager(manager) { + var i, ret, waitingCallbacks, err, errFile, errModuleTree, + cb = manager.callback, + fullName = manager.fullName, + args = [], + ary = manager.depArray; + + //Call the callback to define the module, if necessary. + if (cb && isFunction(cb)) { + //Pull out the defined dependencies and pass the ordered + //values to the callback. + if (ary) { + for (i = 0; i < ary.length; i++) { + args.push(manager.deps[ary[i]]); + } + } + + if (config.catchError.define) { + try { + ret = req.execCb(fullName, manager.callback, args, defined[fullName]); + } catch (e) { + err = e; + } + } else { + ret = req.execCb(fullName, manager.callback, args, defined[fullName]); + } + + if (fullName) { + //If setting exports via "module" is in play, + //favor that over return value and exports. After that, + //favor a non-undefined return value over exports use. + if (manager.cjsModule && manager.cjsModule.exports !== undefined) { + ret = defined[fullName] = manager.cjsModule.exports; + } else if (ret === undefined && manager.usingExports) { + //exports already set the defined value. + ret = defined[fullName]; + } else { + //Use the return value from the function. + defined[fullName] = ret; + } + } + } else if (fullName) { + //May just be an object definition for the module. Only + //worry about defining if have a module name. + ret = defined[fullName] = cb; + } + + //Clean up waiting. Do this before error calls, and before + //calling back waitingCallbacks, so that bookkeeping is correct + //in the event of an error and error is reported in correct order, + //since the waitingCallbacks will likely have errors if the + //onError function does not throw. + if (waiting[manager.waitId]) { + delete waiting[manager.waitId]; + manager.isDone = true; + context.waitCount -= 1; + if (context.waitCount === 0) { + //Clear the wait array used for cycles. + waitAry = []; + } + } + + if (err) { + errFile = (fullName ? makeModuleMap(fullName).url : '') || + err.fileName || err.sourceURL; + errModuleTree = err.moduleTree; + err = makeError('defineerror', 'Error evaluating ' + + 'module "' + fullName + '" at location "' + + errFile + '":\n' + + err + '\nfileName:' + errFile + + '\nlineNumber: ' + (err.lineNumber || err.line), err); + err.moduleName = fullName; + err.moduleTree = errModuleTree; + return req.onError(err); + } + + if (fullName) { + //If anything was waiting for this module to be defined, + //notify them now. + waitingCallbacks = managerCallbacks[fullName]; + if (waitingCallbacks) { + for (i = 0; i < waitingCallbacks.length; i++) { + waitingCallbacks[i].onDep(fullName, ret); + } + delete managerCallbacks[fullName]; + } + } + + return undefined; + } + + function main(inName, depArray, callback, relModuleMap) { + var moduleMap = makeModuleMap(inName, relModuleMap), + name = moduleMap.name, + fullName = moduleMap.fullName, + uniques = {}, + manager = { + //Use a wait ID because some entries are anon + //async require calls. + waitId: name || reqWaitIdPrefix + (waitIdCounter++), + depCount: 0, + depMax: 0, + prefix: moduleMap.prefix, + name: name, + fullName: fullName, + deps: {}, + depArray: depArray, + callback: callback, + onDep: function (depName, value) { + if (!(depName in manager.deps)) { + manager.deps[depName] = value; + manager.depCount += 1; + if (manager.depCount === manager.depMax) { + //All done, execute! + execManager(manager); + } + } + } + }, + i, depArg, depName, cjsMod; + + if (fullName) { + //If module already defined for context, or already loaded, + //then leave. Also leave if jQuery is registering but it does + //not match the desired version number in the config. + if (fullName in defined || loaded[fullName] === true || + (fullName === "jquery" && config.jQuery && + config.jQuery !== callback().fn.jquery)) { + return; + } + + //Set specified/loaded here for modules that are also loaded + //as part of a layer, where onScriptLoad is not fired + //for those cases. Do this after the inline define and + //dependency tracing is done. + specified[fullName] = true; + loaded[fullName] = true; + + //If module is jQuery set up delaying its dom ready listeners. + if (fullName === "jquery" && callback) { + jQueryCheck(callback()); + } + } + + //Add the dependencies to the deps field, and register for callbacks + //on the dependencies. + for (i = 0; i < depArray.length; i++) { + depArg = depArray[i]; + //There could be cases like in IE, where a trailing comma will + //introduce a null dependency, so only treat a real dependency + //value as a dependency. + if (depArg) { + //Split the dependency name into plugin and name parts + depArg = makeModuleMap(depArg, (name ? moduleMap : relModuleMap)); + depName = depArg.fullName; + + //Fix the name in depArray to be just the name, since + //that is how it will be called back later. + depArray[i] = depName; + + //Fast path CommonJS standard dependencies. + if (depName === "require") { + manager.deps[depName] = makeRequire(moduleMap); + } else if (depName === "exports") { + //CommonJS module spec 1.1 + manager.deps[depName] = defined[fullName] = {}; + manager.usingExports = true; + } else if (depName === "module") { + //CommonJS module spec 1.1 + manager.cjsModule = cjsMod = manager.deps[depName] = { + id: name, + uri: name ? context.nameToUrl(name, null, relModuleMap) : undefined, + exports: defined[fullName] + }; + cjsMod.setExports = makeSetExports(cjsMod); + } else if (depName in defined && !(depName in waiting)) { + //Module already defined, no need to wait for it. + manager.deps[depName] = defined[depName]; + } else if (!uniques[depName]) { + + //A dynamic dependency. + manager.depMax += 1; + + queueDependency(depArg); + + //Register to get notification when dependency loads. + (managerCallbacks[depName] || + (managerCallbacks[depName] = [])).push(manager); + + uniques[depName] = true; + } + } + } + + //Do not bother tracking the manager if it is all done. + if (manager.depCount === manager.depMax) { + //All done, execute! + execManager(manager); + } else { + waiting[manager.waitId] = manager; + waitAry.push(manager); + context.waitCount += 1; + } + } + + /** + * Convenience method to call main for a define call that was put on + * hold in the defQueue. + */ + function callDefMain(args) { + main.apply(null, args); + //Mark the module loaded. Must do it here in addition + //to doing it in define in case a script does + //not call define + loaded[args[0]] = true; + } + + /** + * jQuery 1.4.3+ supports ways to hold off calling + * calling jQuery ready callbacks until all scripts are loaded. Be sure + * to track it if the capability exists.. Also, since jQuery 1.4.3 does + * not register as a module, need to do some global inference checking. + * Even if it does register as a module, not guaranteed to be the precise + * name of the global. If a jQuery is tracked for this context, then go + * ahead and register it as a module too, if not already in process. + */ + jQueryCheck = function (jqCandidate) { + if (!context.jQuery) { + var $ = jqCandidate || (typeof jQuery !== "undefined" ? jQuery : null); + + if ($) { + //If a specific version of jQuery is wanted, make sure to only + //use this jQuery if it matches. + if (config.jQuery && $.fn.jquery !== config.jQuery) { + return; + } + + if ("holdReady" in $ || "readyWait" in $) { + context.jQuery = $; + + //Manually create a "jquery" module entry if not one already + //or in process. Note this could trigger an attempt at + //a second jQuery registration, but does no harm since + //the first one wins, and it is the same value anyway. + callDefMain(["jquery", [], function () { + return jQuery; + }]); + + //Ask jQuery to hold DOM ready callbacks. + if (context.scriptCount) { + jQueryHoldReady($, true); + context.jQueryIncremented = true; + } + } + } + } + }; + + function forceExec(manager, traced) { + if (manager.isDone) { + return undefined; + } + + var fullName = manager.fullName, + depArray = manager.depArray, + depName, i; + if (fullName) { + if (traced[fullName]) { + return defined[fullName]; + } + + traced[fullName] = true; + } + + //forceExec all of its dependencies. + for (i = 0; i < depArray.length; i++) { + //Some array members may be null, like if a trailing comma + //IE, so do the explicit [i] access and check if it has a value. + depName = depArray[i]; + if (depName) { + if (!manager.deps[depName] && waiting[depName]) { + manager.onDep(depName, forceExec(waiting[depName], traced)); + } + } + } + + return fullName ? defined[fullName] : undefined; + } + + /** + * Checks if all modules for a context are loaded, and if so, evaluates the + * new ones in right dependency order. + * + * @private + */ + function checkLoaded() { + var waitInterval = config.waitSeconds * 1000, + //It is possible to disable the wait interval by using waitSeconds of 0. + expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), + noLoads = "", hasLoadedProp = false, stillLoading = false, prop, + err, manager; + + //If there are items still in the paused queue processing wait. + //This is particularly important in the sync case where each paused + //item is processed right away but there may be more waiting. + if (context.pausedCount > 0) { + return undefined; + } + + //Determine if priority loading is done. If so clear the priority. If + //not, then do not check + if (config.priorityWait) { + if (isPriorityDone()) { + //Call resume, since it could have + //some waiting dependencies to trace. + resume(); + } else { + return undefined; + } + } + + //See if anything is still in flight. + for (prop in loaded) { + if (!(prop in empty)) { + hasLoadedProp = true; + if (!loaded[prop]) { + if (expired) { + noLoads += prop + " "; + } else { + stillLoading = true; + break; + } + } + } + } + + //Check for exit conditions. + if (!hasLoadedProp && !context.waitCount) { + //If the loaded object had no items, then the rest of + //the work below does not need to be done. + return undefined; + } + if (expired && noLoads) { + //If wait time expired, throw error of unloaded modules. + err = makeError("timeout", "Load timeout for modules: " + noLoads); + err.requireType = "timeout"; + err.requireModules = noLoads; + return req.onError(err); + } + if (stillLoading || context.scriptCount) { + //Something is still waiting to load. Wait for it, but only + //if a timeout is not already in effect. + if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) { + checkLoadedTimeoutId = setTimeout(function () { + checkLoadedTimeoutId = 0; + checkLoaded(); + }, 50); + } + return undefined; + } + + //If still have items in the waiting cue, but all modules have + //been loaded, then it means there are some circular dependencies + //that need to be broken. + //However, as a waiting thing is fired, then it can add items to + //the waiting cue, and those items should not be fired yet, so + //make sure to redo the checkLoaded call after breaking a single + //cycle, if nothing else loaded then this logic will pick it up + //again. + if (context.waitCount) { + //Cycle through the waitAry, and call items in sequence. + for (i = 0; (manager = waitAry[i]); i++) { + forceExec(manager, {}); + } + + //Only allow this recursion to a certain depth. Only + //triggered by errors in calling a module in which its + //modules waiting on it cannot finish loading, or some circular + //dependencies that then may add more dependencies. + //The value of 5 is a bit arbitrary. Hopefully just one extra + //pass, or two for the case of circular dependencies generating + //more work that gets resolved in the sync node case. + if (checkLoadedDepth < 5) { + checkLoadedDepth += 1; + checkLoaded(); + } + } + + checkLoadedDepth = 0; + + //Check for DOM ready, and nothing is waiting across contexts. + req.checkReadyState(); + + return undefined; + } + + function callPlugin(pluginName, dep) { + var name = dep.name, + fullName = dep.fullName, + load; + + //Do not bother if plugin is already defined or being loaded. + if (fullName in defined || fullName in loaded) { + return; + } + + if (!plugins[pluginName]) { + plugins[pluginName] = defined[pluginName]; + } + + //Only set loaded to false for tracking if it has not already been set. + if (!loaded[fullName]) { + loaded[fullName] = false; + } + + load = function (ret) { + //Allow the build process to register plugin-loaded dependencies. + if (req.onPluginLoad) { + req.onPluginLoad(context, pluginName, name, ret); + } + + execManager({ + prefix: dep.prefix, + name: dep.name, + fullName: dep.fullName, + callback: function () { + return ret; + } + }); + loaded[fullName] = true; + }; + + //Allow plugins to load other code without having to know the + //context or how to "complete" the load. + load.fromText = function (moduleName, text) { + /*jslint evil: true */ + var hasInteractive = useInteractive; + + //Indicate a the module is in process of loading. + context.loaded[moduleName] = false; + context.scriptCount += 1; + + //Turn off interactive script matching for IE for any define + //calls in the text, then turn it back on at the end. + if (hasInteractive) { + useInteractive = false; + } + + req.exec(text); + + if (hasInteractive) { + useInteractive = true; + } + + //Support anonymous modules. + context.completeLoad(moduleName); + }; + + //Use parentName here since the plugin's name is not reliable, + //could be some weird string with no path that actually wants to + //reference the parentName's path. + plugins[pluginName].load(name, makeRequire(dep.parentMap, true), load, config); + } + + function loadPaused(dep) { + //Renormalize dependency if its name was waiting on a plugin + //to load, which as since loaded. + if (dep.prefix && dep.name && dep.name.indexOf('__$p') === 0 && defined[dep.prefix]) { + dep = makeModuleMap(dep.originalName, dep.parentMap); + } + + var pluginName = dep.prefix, + fullName = dep.fullName, + urlFetched = context.urlFetched; + + //Do not bother if the dependency has already been specified. + if (specified[fullName] || loaded[fullName]) { + return; + } else { + specified[fullName] = true; + } + + if (pluginName) { + //If plugin not loaded, wait for it. + //set up callback list. if no list, then register + //managerCallback for that plugin. + if (defined[pluginName]) { + callPlugin(pluginName, dep); + } else { + if (!pluginsQueue[pluginName]) { + pluginsQueue[pluginName] = []; + (managerCallbacks[pluginName] || + (managerCallbacks[pluginName] = [])).push({ + onDep: function (name, value) { + if (name === pluginName) { + var i, oldModuleMap, ary = pluginsQueue[pluginName]; + + //Now update all queued plugin actions. + for (i = 0; i < ary.length; i++) { + oldModuleMap = ary[i]; + //Update the moduleMap since the + //module name may be normalized + //differently now. + callPlugin(pluginName, + makeModuleMap(oldModuleMap.originalName, oldModuleMap.parentMap)); + } + delete pluginsQueue[pluginName]; + } + } + }); + } + pluginsQueue[pluginName].push(dep); + } + } else { + if (!urlFetched[dep.url]) { + req.load(context, fullName, dep.url); + urlFetched[dep.url] = true; + } + } + } + + /** + * Resumes tracing of dependencies and then checks if everything is loaded. + */ + resume = function () { + var args, i, p; + + resumeDepth += 1; + + if (context.scriptCount <= 0) { + //Synchronous envs will push the number below zero with the + //decrement above, be sure to set it back to zero for good measure. + //require() calls that also do not end up loading scripts could + //push the number negative too. + context.scriptCount = 0; + } + + //Make sure any remaining defQueue items get properly processed. + while (defQueue.length) { + args = defQueue.shift(); + if (args[0] === null) { + return req.onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1])); + } else { + callDefMain(args); + } + } + + //Skip the resume of paused dependencies + //if current context is in priority wait. + if (!config.priorityWait || isPriorityDone()) { + while (context.paused.length) { + p = context.paused; + context.pausedCount += p.length; + //Reset paused list + context.paused = []; + + for (i = 0; (args = p[i]); i++) { + loadPaused(args); + } + //Move the start time for timeout forward. + context.startTime = (new Date()).getTime(); + context.pausedCount -= p.length; + } + } + + //Only check if loaded when resume depth is 1. It is likely that + //it is only greater than 1 in sync environments where a factory + //function also then calls the callback-style require. In those + //cases, the checkLoaded should not occur until the resume + //depth is back at the top level. + if (resumeDepth === 1) { + checkLoaded(); + } + + resumeDepth -= 1; + + return undefined; + }; + + //Define the context object. Many of these fields are on here + //just to make debugging easier. + context = { + contextName: contextName, + config: config, + defQueue: defQueue, + waiting: waiting, + waitCount: 0, + specified: specified, + loaded: loaded, + urlMap: urlMap, + scriptCount: 0, + urlFetched: {}, + defined: defined, + paused: [], + pausedCount: 0, + plugins: plugins, + managerCallbacks: managerCallbacks, + makeModuleMap: makeModuleMap, + normalize: normalize, + /** + * Set a configuration for the context. + * @param {Object} cfg config object to integrate. + */ + configure: function (cfg) { + var paths, prop, packages, pkgs, packagePaths, requireWait; + + //Make sure the baseUrl ends in a slash. + if (cfg.baseUrl) { + if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== "/") { + cfg.baseUrl += "/"; + } + } + + //Save off the paths and packages since they require special processing, + //they are additive. + paths = config.paths; + packages = config.packages; + pkgs = config.pkgs; + + //Mix in the config values, favoring the new values over + //existing ones in context.config. + mixin(config, cfg, true); + + //Adjust paths if necessary. + if (cfg.paths) { + for (prop in cfg.paths) { + if (!(prop in empty)) { + paths[prop] = cfg.paths[prop]; + } + } + config.paths = paths; + } + + packagePaths = cfg.packagePaths; + if (packagePaths || cfg.packages) { + //Convert packagePaths into a packages config. + if (packagePaths) { + for (prop in packagePaths) { + if (!(prop in empty)) { + configurePackageDir(pkgs, packagePaths[prop], prop); + } + } + } + + //Adjust packages if necessary. + if (cfg.packages) { + configurePackageDir(pkgs, cfg.packages); + } + + //Done with modifications, assing packages back to context config + config.pkgs = pkgs; + } + + //If priority loading is in effect, trigger the loads now + if (cfg.priority) { + //Hold on to requireWait value, and reset it after done + requireWait = context.requireWait; + + //Allow tracing some require calls to allow the fetching + //of the priority config. + context.requireWait = false; + //But first, call resume to register any defined modules that may + //be in a data-main built file before the priority config + //call. Also grab any waiting define calls for this context. + context.takeGlobalQueue(); + resume(); + + context.require(cfg.priority); + + //Trigger a resume right away, for the case when + //the script with the priority load is done as part + //of a data-main call. In that case the normal resume + //call will not happen because the scriptCount will be + //at 1, since the script for data-main is being processed. + resume(); + + //Restore previous state. + context.requireWait = requireWait; + config.priorityWait = cfg.priority; + } + + //If a deps array or a config callback is specified, then call + //require with those args. This is useful when require is defined as a + //config object before require.js is loaded. + if (cfg.deps || cfg.callback) { + context.require(cfg.deps || [], cfg.callback); + } + + //Set up ready callback, if asked. Useful when require is defined as a + //config object before require.js is loaded. + if (cfg.ready) { + req.ready(cfg.ready); + } + }, + + requireDefined: function (moduleName, relModuleMap) { + return makeModuleMap(moduleName, relModuleMap).fullName in defined; + }, + + requireSpecified: function (moduleName, relModuleMap) { + return makeModuleMap(moduleName, relModuleMap).fullName in specified; + }, + + require: function (deps, callback, relModuleMap) { + var moduleName, fullName, moduleMap; + if (typeof deps === "string") { + //Synchronous access to one module. If require.get is + //available (as in the Node adapter), prefer that. + //In this case deps is the moduleName and callback is + //the relModuleMap + if (req.get) { + return req.get(context, deps, callback); + } + + //Just return the module wanted. In this scenario, the + //second arg (if passed) is just the relModuleMap. + moduleName = deps; + relModuleMap = callback; + + //Normalize module name, if it contains . or .. + moduleMap = makeModuleMap(moduleName, relModuleMap); + fullName = moduleMap.fullName; + + if (!(fullName in defined)) { + return req.onError(makeError("notloaded", "Module name '" + + moduleMap.fullName + + "' has not been loaded yet for context: " + + contextName)); + } + return defined[fullName]; + } + + main(null, deps, callback, relModuleMap); + + //If the require call does not trigger anything new to load, + //then resume the dependency processing. + if (!context.requireWait) { + while (!context.scriptCount && context.paused.length) { + //For built layers, there can be some defined + //modules waiting for intake into the context, + //in particular module plugins. Take them. + context.takeGlobalQueue(); + resume(); + } + } + return context.require; + }, + + /** + * Internal method to transfer globalQueue items to this context's + * defQueue. + */ + takeGlobalQueue: function () { + //Push all the globalDefQueue items into the context's defQueue + if (globalDefQueue.length) { + //Array splice in the values since the context code has a + //local var ref to defQueue, so cannot just reassign the one + //on context. + apsp.apply(context.defQueue, + [context.defQueue.length - 1, 0].concat(globalDefQueue)); + globalDefQueue = []; + } + }, + + /** + * Internal method used by environment adapters to complete a load event. + * A load event could be a script load or just a load pass from a synchronous + * load call. + * @param {String} moduleName the name of the module to potentially complete. + */ + completeLoad: function (moduleName) { + var args; + + context.takeGlobalQueue(); + + while (defQueue.length) { + args = defQueue.shift(); + + if (args[0] === null) { + args[0] = moduleName; + break; + } else if (args[0] === moduleName) { + //Found matching define call for this script! + break; + } else { + //Some other named define call, most likely the result + //of a build layer that included many define calls. + callDefMain(args); + args = null; + } + } + if (args) { + callDefMain(args); + } else { + //A script that does not call define(), so just simulate + //the call for it. Special exception for jQuery dynamic load. + callDefMain([moduleName, [], + moduleName === "jquery" && typeof jQuery !== "undefined" ? + function () { + return jQuery; + } : null]); + } + + //Mark the script as loaded. Note that this can be different from a + //moduleName that maps to a define call. This line is important + //for traditional browser scripts. + loaded[moduleName] = true; + + //If a global jQuery is defined, check for it. Need to do it here + //instead of main() since stock jQuery does not register as + //a module via define. + jQueryCheck(); + + //Doing this scriptCount decrement branching because sync envs + //need to decrement after resume, otherwise it looks like + //loading is complete after the first dependency is fetched. + //For browsers, it works fine to decrement after, but it means + //the checkLoaded setTimeout 50 ms cost is taken. To avoid + //that cost, decrement beforehand. + if (req.isAsync) { + context.scriptCount -= 1; + } + resume(); + if (!req.isAsync) { + context.scriptCount -= 1; + } + }, + + /** + * Converts a module name + .extension into an URL path. + * *Requires* the use of a module name. It does not support using + * plain URLs like nameToUrl. + */ + toUrl: function (moduleNamePlusExt, relModuleMap) { + var index = moduleNamePlusExt.lastIndexOf("."), + ext = null; + + if (index !== -1) { + ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); + moduleNamePlusExt = moduleNamePlusExt.substring(0, index); + } + + return context.nameToUrl(moduleNamePlusExt, ext, relModuleMap); + }, + + /** + * Converts a module name to a file path. Supports cases where + * moduleName may actually be just an URL. + */ + nameToUrl: function (moduleName, ext, relModuleMap) { + var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url, + config = context.config; + + //Normalize module name if have a base relative module name to work from. + moduleName = normalize(moduleName, relModuleMap && relModuleMap.fullName); + + //If a colon is in the URL, it indicates a protocol is used and it is just + //an URL to a file, or if it starts with a slash or ends with .js, it is just a plain file. + //The slash is important for protocol-less URLs as well as full paths. + if (req.jsExtRegExp.test(moduleName)) { + //Just a plain path, not module name lookup, so just return it. + //Add extension if it is included. This is a bit wonky, only non-.js things pass + //an extension, this method probably needs to be reworked. + url = moduleName + (ext ? ext : ""); + } else { + //A module that needs to be converted to a path. + paths = config.paths; + pkgs = config.pkgs; + + syms = moduleName.split("/"); + //For each module name segment, see if there is a path + //registered for it. Start with most specific name + //and work up from it. + for (i = syms.length; i > 0; i--) { + parentModule = syms.slice(0, i).join("/"); + if (paths[parentModule]) { + syms.splice(0, i, paths[parentModule]); + break; + } else if ((pkg = pkgs[parentModule])) { + //If module name is just the package name, then looking + //for the main module. + if (moduleName === pkg.name) { + pkgPath = pkg.location + '/' + pkg.main; + } else { + pkgPath = pkg.location; + } + syms.splice(0, i, pkgPath); + break; + } + } + + //Join the path parts together, then figure out if baseUrl is needed. + url = syms.join("/") + (ext || ".js"); + url = (url.charAt(0) === '/' || url.match(/^\w+:/) ? "" : config.baseUrl) + url; + } + + return config.urlArgs ? url + + ((url.indexOf('?') === -1 ? '?' : '&') + + config.urlArgs) : url; + } + }; + + //Make these visible on the context so can be called at the very + //end of the file to bootstrap + context.jQueryCheck = jQueryCheck; + context.resume = resume; + + return context; + } + + /** + * Main entry point. + * + * If the only argument to require is a string, then the module that + * is represented by that string is fetched for the appropriate context. + * + * If the first argument is an array, then it will be treated as an array + * of dependency string names to fetch. An optional function callback can + * be specified to execute when all of those dependencies are available. + * + * Make a local req variable to help Caja compliance (it assumes things + * on a require that are not standardized), and to give a short + * name for minification/local scope use. + */ + req = requirejs = function (deps, callback) { + + //Find the right context, use default + var contextName = defContextName, + context, config; + + // Determine if have config object in the call. + if (!isArray(deps) && typeof deps !== "string") { + // deps is a config object + config = deps; + if (isArray(callback)) { + // Adjust args if there are dependencies + deps = callback; + callback = arguments[2]; + } else { + deps = []; + } + } + + if (config && config.context) { + contextName = config.context; + } + + context = contexts[contextName] || + (contexts[contextName] = newContext(contextName)); + + if (config) { + context.configure(config); + } + + return context.require(deps, callback); + }; + + /** + * Support require.config() to make it easier to cooperate with other + * AMD loaders on globally agreed names. + */ + req.config = function (config) { + return req(config); + }; + + /** + * Export require as a global, but only if it does not already exist. + */ + if (typeof require === "undefined") { + require = req; + } + + /** + * Global require.toUrl(), to match global require, mostly useful + * for debugging/work in the global space. + */ + req.toUrl = function (moduleNamePlusExt) { + return contexts[defContextName].toUrl(moduleNamePlusExt); + }; + + req.version = version; + req.isArray = isArray; + req.isFunction = isFunction; + req.mixin = mixin; + //Used to filter out dependencies that are already paths. + req.jsExtRegExp = /^\/|:|\?|\.js$/; + s = req.s = { + contexts: contexts, + //Stores a list of URLs that should not get async script tag treatment. + skipAsync: {}, + isPageLoaded: !isBrowser, + readyCalls: [] + }; + + req.isAsync = req.isBrowser = isBrowser; + if (isBrowser) { + head = s.head = document.getElementsByTagName("head")[0]; + //If BASE tag is in play, using appendChild is a problem for IE6. + //When that browser dies, this can be removed. Details in this jQuery bug: + //http://dev.jquery.com/ticket/2709 + baseElement = document.getElementsByTagName("base")[0]; + if (baseElement) { + head = s.head = baseElement.parentNode; + } + } + + /** + * Any errors that require explicitly generates will be passed to this + * function. Intercept/override it if you want custom error handling. + * @param {Error} err the error object. + */ + req.onError = function (err) { + throw err; + }; + + /** + * Does the request to load a module for the browser case. + * Make this a separate function to allow other environments + * to override it. + * + * @param {Object} context the require context to find state. + * @param {String} moduleName the name of the module. + * @param {Object} url the URL to the module. + */ + req.load = function (context, moduleName, url) { + var loaded = context.loaded; + + isDone = false; + + //Only set loaded to false for tracking if it has not already been set. + if (!loaded[moduleName]) { + loaded[moduleName] = false; + } + + context.scriptCount += 1; + req.attach(url, context, moduleName); + + //If tracking a jQuery, then make sure its ready callbacks + //are put on hold to prevent its ready callbacks from + //triggering too soon. + if (context.jQuery && !context.jQueryIncremented) { + jQueryHoldReady(context.jQuery, true); + context.jQueryIncremented = true; + } + }; + + function getInteractiveScript() { + var scripts, i, script; + if (interactiveScript && interactiveScript.readyState === 'interactive') { + return interactiveScript; + } + + scripts = document.getElementsByTagName('script'); + for (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) { + if (script.readyState === 'interactive') { + return (interactiveScript = script); + } + } + + return null; + } + + /** + * The function that handles definitions of modules. Differs from + * require() in that a string for the module should be the first argument, + * and the function to execute after dependencies are loaded should + * return a value to define the module corresponding to the first argument's + * name. + */ + define = req.def = function (name, deps, callback) { + var node, context; + + //Allow for anonymous functions + if (typeof name !== 'string') { + //Adjust args appropriately + callback = deps; + deps = name; + name = null; + } + + //This module may not have dependencies + if (!req.isArray(deps)) { + callback = deps; + deps = []; + } + + //If no name, and callback is a function, then figure out if it a + //CommonJS thing with dependencies. + if (!name && !deps.length && req.isFunction(callback)) { + //Remove comments from the callback string, + //look for require calls, and pull them into the dependencies, + //but only if there are function args. + if (callback.length) { + callback + .toString() + .replace(commentRegExp, "") + .replace(cjsRequireRegExp, function (match, dep) { + deps.push(dep); + }); + + //May be a CommonJS thing even without require calls, but still + //could use exports, and module. Avoid doing exports and module + //work though if it just needs require. + //REQUIRES the function to expect the CommonJS variables in the + //order listed below. + deps = (callback.length === 1 ? ["require"] : ["require", "exports", "module"]).concat(deps); + } + } + + //If in IE 6-8 and hit an anonymous define() call, do the interactive + //work. + if (useInteractive) { + node = currentlyAddingScript || getInteractiveScript(); + if (node) { + if (!name) { + name = node.getAttribute("data-requiremodule"); + } + context = contexts[node.getAttribute("data-requirecontext")]; + } + } + + //Always save off evaluating the def call until the script onload handler. + //This allows multiple modules to be in a file without prematurely + //tracing dependencies, and allows for anonymous module support, + //where the module name is not known until the script onload event + //occurs. If no context, use the global queue, and get it processed + //in the onscript load callback. + (context ? context.defQueue : globalDefQueue).push([name, deps, callback]); + + return undefined; + }; + + define.amd = { + multiversion: true, + plugins: true, + jQuery: true + }; + + /** + * Executes the text. Normally just uses eval, but can be modified + * to use a more environment specific call. + * @param {String} text the text to execute/evaluate. + */ + req.exec = function (text) { + return eval(text); + }; + + /** + * Executes a module callack function. Broken out as a separate function + * solely to allow the build system to sequence the files in the built + * layer in the right sequence. + * + * @private + */ + req.execCb = function (name, callback, args, exports) { + return callback.apply(exports, args); + }; + + /** + * callback for script loads, used to check status of loading. + * + * @param {Event} evt the event from the browser for the script + * that was loaded. + * + * @private + */ + req.onScriptLoad = function (evt) { + //Using currentTarget instead of target for Firefox 2.0's sake. Not + //all old browsers will be supported, but this one was easy enough + //to support and still makes sense. + var node = evt.currentTarget || evt.srcElement, contextName, moduleName, + context; + + if (evt.type === "load" || readyRegExp.test(node.readyState)) { + //Reset interactive script so a script node is not held onto for + //to long. + interactiveScript = null; + + //Pull out the name of the module and the context. + contextName = node.getAttribute("data-requirecontext"); + moduleName = node.getAttribute("data-requiremodule"); + context = contexts[contextName]; + + contexts[contextName].completeLoad(moduleName); + + //Clean up script binding. Favor detachEvent because of IE9 + //issue, see attachEvent/addEventListener comment elsewhere + //in this file. + if (node.detachEvent && !isOpera) { + //Probably IE. If not it will throw an error, which will be + //useful to know. + node.detachEvent("onreadystatechange", req.onScriptLoad); + } else { + node.removeEventListener("load", req.onScriptLoad, false); + } + } + }; + + /** + * Attaches the script represented by the URL to the current + * environment. Right now only supports browser loading, + * but can be redefined in other environments to do the right thing. + * @param {String} url the url of the script to attach. + * @param {Object} context the context that wants the script. + * @param {moduleName} the name of the module that is associated with the script. + * @param {Function} [callback] optional callback, defaults to require.onScriptLoad + * @param {String} [type] optional type, defaults to text/javascript + */ + req.attach = function (url, context, moduleName, callback, type) { + var node, loaded; + if (isBrowser) { + //In the browser so use a script tag + callback = callback || req.onScriptLoad; + node = context && context.config && context.config.xhtml ? + document.createElementNS("http://www.w3.org/1999/xhtml", "html:script") : + document.createElement("script"); + node.type = type || "text/javascript"; + node.charset = "utf-8"; + //Use async so Gecko does not block on executing the script if something + //like a long-polling comet tag is being run first. Gecko likes + //to evaluate scripts in DOM order, even for dynamic scripts. + //It will fetch them async, but only evaluate the contents in DOM + //order, so a long-polling script tag can delay execution of scripts + //after it. But telling Gecko we expect async gets us the behavior + //we want -- execute it whenever it is finished downloading. Only + //Helps Firefox 3.6+ + //Allow some URLs to not be fetched async. Mostly helps the order! + //plugin + node.async = !s.skipAsync[url]; + + if (context) { + node.setAttribute("data-requirecontext", context.contextName); + } + node.setAttribute("data-requiremodule", moduleName); + + //Set up load listener. Test attachEvent first because IE9 has + //a subtle issue in its addEventListener and script onload firings + //that do not match the behavior of all other browsers with + //addEventListener support, which fire the onload event for a + //script right after the script execution. See: + //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution + //UNFORTUNATELY Opera implements attachEvent but does not follow the script + //script execution mode. + if (node.attachEvent && !isOpera) { + //Probably IE. IE (at least 6-8) do not fire + //script onload right after executing the script, so + //we cannot tie the anonymous define call to a name. + //However, IE reports the script as being in "interactive" + //readyState at the time of the define call. + useInteractive = true; + node.attachEvent("onreadystatechange", callback); + } else { + node.addEventListener("load", callback, false); + } + node.src = url; + + //For some cache cases in IE 6-8, the script executes before the end + //of the appendChild execution, so to tie an anonymous define + //call to the module name (which is stored on the node), hold on + //to a reference to this node, but clear after the DOM insertion. + currentlyAddingScript = node; + if (baseElement) { + head.insertBefore(node, baseElement); + } else { + head.appendChild(node); + } + currentlyAddingScript = null; + return node; + } else if (isWebWorker) { + //In a web worker, use importScripts. This is not a very + //efficient use of importScripts, importScripts will block until + //its script is downloaded and evaluated. However, if web workers + //are in play, the expectation that a build has been done so that + //only one script needs to be loaded anyway. This may need to be + //reevaluated if other use cases become common. + loaded = context.loaded; + loaded[moduleName] = false; + + importScripts(url); + + //Account for anonymous modules + context.completeLoad(moduleName); + } + return null; + }; + + //Look for a data-main script attribute, which could also adjust the baseUrl. + if (isBrowser) { + //Figure out baseUrl. Get it from the script tag with require.js in it. + scripts = document.getElementsByTagName("script"); + + for (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) { + //Set the "head" where we can append children by + //using the script's parent. + if (!head) { + head = script.parentNode; + } + + //Look for a data-main attribute to set main script for the page + //to load. If it is there, the path to data main becomes the + //baseUrl, if it is not already set. + if ((dataMain = script.getAttribute('data-main'))) { + if (!cfg.baseUrl) { + //Pull off the directory of data-main for use as the + //baseUrl. + src = dataMain.split('/'); + mainScript = src.pop(); + subPath = src.length ? src.join('/') + '/' : './'; + + //Set final config. + cfg.baseUrl = subPath; + //Strip off any trailing .js since dataMain is now + //like a module name. + dataMain = mainScript.replace(jsSuffixRegExp, ''); + } + + //Put the data-main script in the files to load. + cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain]; + + break; + } + } + } + + //Set baseUrl based on config. + s.baseUrl = cfg.baseUrl; + + //****** START page load functionality **************** + /** + * Sets the page as loaded and triggers check for all modules loaded. + */ + req.pageLoaded = function () { + if (!s.isPageLoaded) { + s.isPageLoaded = true; + if (scrollIntervalId) { + clearInterval(scrollIntervalId); + } + + //Part of a fix for FF < 3.6 where readyState was not set to + //complete so libraries like jQuery that check for readyState + //after page load where not getting initialized correctly. + //Original approach suggested by Andrea Giammarchi: + //http://webreflection.blogspot.com/2009/11/195-chars-to-help-lazy-loading.html + //see other setReadyState reference for the rest of the fix. + if (setReadyState) { + document.readyState = "complete"; + } + + req.callReady(); + } + }; + + //See if there is nothing waiting across contexts, and if not, trigger + //callReady. + req.checkReadyState = function () { + var contexts = s.contexts, prop; + for (prop in contexts) { + if (!(prop in empty)) { + if (contexts[prop].waitCount) { + return; + } + } + } + s.isDone = true; + req.callReady(); + }; + + /** + * Internal function that calls back any ready functions. If you are + * integrating RequireJS with another library without require.ready support, + * you can define this method to call your page ready code instead. + */ + req.callReady = function () { + var callbacks = s.readyCalls, i, callback, contexts, context, prop; + + if (s.isPageLoaded && s.isDone) { + if (callbacks.length) { + s.readyCalls = []; + for (i = 0; (callback = callbacks[i]); i++) { + callback(); + } + } + + //If jQuery with DOM ready delayed, release it now. + contexts = s.contexts; + for (prop in contexts) { + if (!(prop in empty)) { + context = contexts[prop]; + if (context.jQueryIncremented) { + jQueryHoldReady(context.jQuery, false); + context.jQueryIncremented = false; + } + } + } + } + }; + + /** + * Registers functions to call when the page is loaded + */ + req.ready = function (callback) { + if (s.isPageLoaded && s.isDone) { + callback(); + } else { + s.readyCalls.push(callback); + } + return req; + }; + + if (isBrowser) { + if (document.addEventListener) { + //Standards. Hooray! Assumption here that if standards based, + //it knows about DOMContentLoaded. + document.addEventListener("DOMContentLoaded", req.pageLoaded, false); + window.addEventListener("load", req.pageLoaded, false); + //Part of FF < 3.6 readystate fix (see setReadyState refs for more info) + if (!document.readyState) { + setReadyState = true; + document.readyState = "loading"; + } + } else if (window.attachEvent) { + window.attachEvent("onload", req.pageLoaded); + + //DOMContentLoaded approximation, as found by Diego Perini: + //http://javascript.nwbox.com/IEContentLoaded/ + if (self === self.top) { + scrollIntervalId = setInterval(function () { + try { + //From this ticket: + //http://bugs.dojotoolkit.org/ticket/11106, + //In IE HTML Application (HTA), such as in a selenium test, + //javascript in the iframe can't see anything outside + //of it, so self===self.top is true, but the iframe is + //not the top window and doScroll will be available + //before document.body is set. Test document.body + //before trying the doScroll trick. + if (document.body) { + document.documentElement.doScroll("left"); + req.pageLoaded(); + } + } catch (e) {} + }, 30); + } + } + + //Check if document already complete, and if so, just trigger page load + //listeners. NOTE: does not work with Firefox before 3.6. To support + //those browsers, manually call require.pageLoaded(). + if (document.readyState === "complete") { + req.pageLoaded(); + } + } + //****** END page load functionality **************** + + //Set up default context. If require was a configuration object, use that as base config. + req(cfg); + + //If modules are built into require.js, then need to make sure dependencies are + //traced. Use a setTimeout in the browser world, to allow all the modules to register + //themselves. In a non-browser env, assume that modules are not built into require.js, + //which seems odd to do on the server. + if (req.isAsync && typeof setTimeout !== "undefined") { + ctx = s.contexts[(cfg.context || defContextName)]; + //Indicate that the script that includes require() is still loading, + //so that require()'d dependencies are not traced until the end of the + //file is parsed (approximated via the setTimeout call). + ctx.requireWait = true; + setTimeout(function () { + ctx.requireWait = false; + + //Any modules included with the require.js file will be in the + //global queue, assign them to this context. + ctx.takeGlobalQueue(); + + //Allow for jQuery to be loaded/already in the page, and if jQuery 1.4.3, + //make sure to hold onto it for readyWait triggering. + ctx.jQueryCheck(); + + if (!ctx.scriptCount) { + ctx.resume(); + } + req.checkReadyState(); + }, 0); + } +}()); + + + if (env === 'rhino') { + /** + * @license RequireJS rhino Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global require: false, java: false, load: false */ + +(function () { + + require.load = function (context, moduleName, url) { + //isDone is used by require.ready() + require.s.isDone = false; + + //Indicate a the module is in process of loading. + context.loaded[moduleName] = false; + context.scriptCount += 1; + + load(url); + + //Support anonymous modules. + context.completeLoad(moduleName); + }; + +}()); + } else if (env === 'node') { + this.requirejsVars = { + require: require, + define: define, + nodeRequire: nodeRequire + }; + require.nodeRequire = nodeRequire; + + /** + * @license RequireJS node Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint regexp: false, strict: false */ +/*global require: false, define: false, requirejsVars: false, process: false */ + +/** + * This adapter assumes that x.js has loaded it and set up + * some variables. This adapter just allows limited RequireJS + * usage from within the requirejs directory. The general + * node adapater is r.js. + */ + +(function () { + var nodeReq = requirejsVars.nodeRequire, + req = requirejsVars.require, + def = requirejsVars.define, + fs = nodeReq('fs'), + path = nodeReq('path'), + vm = nodeReq('vm'); + + //Supply an implementation that allows synchronous get of a module. + req.get = function (context, moduleName, relModuleMap) { + if (moduleName === "require" || moduleName === "exports" || moduleName === "module") { + req.onError(new Error("Explicit require of " + moduleName + " is not allowed.")); + } + + var ret, + moduleMap = context.makeModuleMap(moduleName, relModuleMap); + + //Normalize module name, if it contains . or .. + moduleName = moduleMap.fullName; + + if (moduleName in context.defined) { + ret = context.defined[moduleName]; + } else { + if (ret === undefined) { + //Try to dynamically fetch it. + req.load(context, moduleName, moduleMap.url); + //The above call is sync, so can do the next thing safely. + ret = context.defined[moduleName]; + } + } + + return ret; + }; + + //Add wrapper around the code so that it gets the requirejs + //API instead of the Node API, and it is done lexically so + //that it survives later execution. + req.makeNodeWrapper = function (contents) { + return '(function (require, define) { ' + + contents + + '\n}(requirejsVars.require, requirejsVars.define));'; + }; + + req.load = function (context, moduleName, url) { + var contents, err; + + //isDone is used by require.ready() + req.s.isDone = false; + + //Indicate a the module is in process of loading. + context.loaded[moduleName] = false; + context.scriptCount += 1; + + if (path.existsSync(url)) { + contents = fs.readFileSync(url, 'utf8'); + + contents = req.makeNodeWrapper(contents); + try { + vm.runInThisContext(contents, fs.realpathSync(url)); + } catch (e) { + err = new Error('Evaluating ' + url + ' as module "' + + moduleName + '" failed with error: ' + e); + err.originalError = e; + err.moduleName = moduleName; + err.fileName = url; + return req.onError(err); + } + } else { + def(moduleName, function () { + try { + return (context.config.nodeRequire || req.nodeRequire)(moduleName); + } catch (e) { + err = new Error('Calling node\'s require("' + + moduleName + '") failed with error: ' + e); + err.originalError = e; + err.moduleName = moduleName; + return req.onError(err); + } + }); + } + + //Support anonymous modules. + context.completeLoad(moduleName); + + return undefined; + }; + + //Override to provide the function wrapper for define/require. + req.exec = function (text) { + /*jslint evil: true */ + text = req.makeNodeWrapper(text); + return eval(text); + }; +}()); + + } + + //Support a default file name to execute. Useful for hosted envs + //like Joyent where it defaults to a server.js as the only executed + //script. But only do it if this is not an optimization run. + if (commandOption !== 'o' && (!fileName || !jsSuffixRegExp.test(fileName))) { + fileName = 'main.js'; + } + + /** + * Loads the library files that can be used for the optimizer, or for other + * tasks. + */ + function loadLib() { + /** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global Packages: false, process: false, window: false, navigator: false, + document: false, define: false */ + +/** + * A plugin that modifies any /env/ path to be the right path based on + * the host environment. Right now only works for Node, Rhino and browser. + */ +(function () { + var pathRegExp = /(\/|^)env\/|\{env\}/, + env = 'unknown'; + + if (typeof Packages !== 'undefined') { + env = 'rhino'; + } else if (typeof process !== 'undefined') { + env = 'node'; + } else if (typeof window !== "undefined" && navigator && document) { + env = 'browser'; + } + + define('env', { + load: function (name, req, load, config) { + //Allow override in the config. + if (config.env) { + env = config.env; + } + + name = name.replace(pathRegExp, function (match, prefix) { + if (match.indexOf('{') === -1) { + return prefix + env + '/'; + } else { + return env; + } + }); + + req([name], function (mod) { + load(mod); + }); + } + }); +}()); +if(env === 'node') { +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global define: false, process: false */ + +define('node/args', function () { + //Do not return the "node" or "r.js" arguments + var args = process.argv.slice(2); + + //Ignore any command option used for rq.js + if (args[0] && args[0].indexOf('-' === 0)) { + args = args.slice(1); + } + + return args; +}); + +} + +if(env === 'rhino') { +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global define: false, process: false */ + +var jsLibRhinoArgs = (typeof rhinoArgs !== 'undefined' && rhinoArgs) || [].concat(Array.prototype.slice.call(arguments, 0)); + +define('rhino/args', function () { + var args = jsLibRhinoArgs; + + //Ignore any command option used for rq.js + if (args[0] && args[0].indexOf('-' === 0)) { + args = args.slice(1); + } + + return args; +}); + +} + +if(env === 'node') { +/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global define: false, console: false */ + +define('node/load', ['fs'], function (fs) { + function load(fileName) { + var contents = fs.readFileSync(fileName, 'utf8'); + process.compile(contents, fileName); + } + + return load; +}); + +} + +if(env === 'rhino') { +/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global define: false, load: false */ + +define('rhino/load', function () { + return load; +}); + +} + +if(env === 'node') { +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint plusplus: false, octal:false, strict: false */ +/*global define: false, process: false */ + +define('node/file', ['fs', 'path'], function (fs, path) { + + var isWindows = process.platform === 'win32', + file; + + function frontSlash(path) { + return path.replace(/\\/g, '/'); + } + + function exists(path) { + if (isWindows && path.charAt(path.length - 1) === '/' && + path.charAt(path.length - 2) !== ':') { + path = path.substring(0, path.length - 1); + } + + try { + fs.statSync(path); + return true; + } catch (e) { + return false; + } + } + + function mkDir(dir) { + if (!exists(dir)) { + fs.mkdirSync(dir, 0777); + } + } + + function mkFullDir(dir) { + var parts = dir.split('/'), + currDir = '', + first = true; + + parts.forEach(function (part) { + //First part may be empty string if path starts with a slash. + currDir += part + '/'; + first = false; + + if (part) { + mkDir(currDir); + } + }); + } + + file = { + backSlashRegExp: /\\/g, + getLineSeparator: function () { + return '/'; + }, + + exists: function (fileName) { + return exists(fileName); + }, + + parent: function (fileName) { + var parts = fileName.split('/'); + parts.pop(); + return parts.join('/'); + }, + + /** + * Gets the absolute file path as a string, normalized + * to using front slashes for path separators. + * @param {String} fileName + */ + absPath: function (fileName) { + return frontSlash(path.normalize(frontSlash(fs.realpathSync(fileName)))); + }, + + normalize: function (fileName) { + return frontSlash(path.normalize(fileName)); + }, + + isFile: function (path) { + return fs.statSync(path).isFile(); + }, + + isDirectory: function (path) { + return fs.statSync(path).isDirectory(); + }, + + getFilteredFileList: function (/*String*/startDir, /*RegExp*/regExpFilters, /*boolean?*/makeUnixPaths) { + //summary: Recurses startDir and finds matches to the files that match regExpFilters.include + //and do not match regExpFilters.exclude. Or just one regexp can be passed in for regExpFilters, + //and it will be treated as the "include" case. + //Ignores files/directories that start with a period (.). + var files = [], topDir, regExpInclude, regExpExclude, dirFileArray, + i, stat, filePath, ok, dirFiles, fileName; + + topDir = startDir; + + regExpInclude = regExpFilters.include || regExpFilters; + regExpExclude = regExpFilters.exclude || null; + + if (file.exists(topDir)) { + dirFileArray = fs.readdirSync(topDir); + for (i = 0; i < dirFileArray.length; i++) { + fileName = dirFileArray[i]; + filePath = path.join(topDir, fileName); + stat = fs.statSync(filePath); + if (stat.isFile()) { + if (makeUnixPaths) { + //Make sure we have a JS string. + if (filePath.indexOf("/") === -1) { + filePath = frontSlash(filePath); + } + } + + ok = true; + if (regExpInclude) { + ok = filePath.match(regExpInclude); + } + if (ok && regExpExclude) { + ok = !filePath.match(regExpExclude); + } + + if (ok && !fileName.match(/^\./)) { + files.push(filePath); + } + } else if (stat.isDirectory() && !fileName.match(/^\./)) { + dirFiles = this.getFilteredFileList(filePath, regExpFilters, makeUnixPaths); + files.push.apply(files, dirFiles); + } + } + } + + return files; //Array + }, + + copyDir: function (/*String*/srcDir, /*String*/destDir, /*RegExp?*/regExpFilter, /*boolean?*/onlyCopyNew) { + //summary: copies files from srcDir to destDir using the regExpFilter to determine if the + //file should be copied. Returns a list file name strings of the destinations that were copied. + regExpFilter = regExpFilter || /\w/; + + //Normalize th directory names. + srcDir = path.normalize(srcDir); + destDir = path.normalize(destDir); + + var fileNames = file.getFilteredFileList(srcDir, regExpFilter, true), + copiedFiles = [], i, srcFileName, destFileName; + + for (i = 0; i < fileNames.length; i++) { + srcFileName = fileNames[i]; + destFileName = srcFileName.replace(srcDir, destDir); + + if (file.copyFile(srcFileName, destFileName, onlyCopyNew)) { + copiedFiles.push(destFileName); + } + } + + return copiedFiles.length ? copiedFiles : null; //Array or null + }, + + copyFile: function (/*String*/srcFileName, /*String*/destFileName, /*boolean?*/onlyCopyNew) { + //summary: copies srcFileName to destFileName. If onlyCopyNew is set, it only copies the file if + //srcFileName is newer than destFileName. Returns a boolean indicating if the copy occurred. + var parentDir; + + //logger.trace("Src filename: " + srcFileName); + //logger.trace("Dest filename: " + destFileName); + + //If onlyCopyNew is true, then compare dates and only copy if the src is newer + //than dest. + if (onlyCopyNew) { + if (file.exists(destFileName) && fs.statSync(destFileName).mtime.getTime() >= fs.statSync(srcFileName).mtime.getTime()) { + return false; //Boolean + } + } + + //Make sure destination dir exists. + parentDir = path.dirname(destFileName); + if (!file.exists(parentDir)) { + mkFullDir(parentDir); + } + + fs.writeFileSync(destFileName, fs.readFileSync(srcFileName, 'binary'), 'binary'); + + return true; //Boolean + }, + + /** + * Reads a *text* file. + */ + readFile: function (/*String*/path, /*String?*/encoding) { + if (encoding === 'utf-8') { + encoding = 'utf8'; + } + if (!encoding) { + encoding = 'utf8'; + } + + var text = fs.readFileSync(path, encoding); + + //Looks like a weird bug in the native node.exe for windows, + //at least in 0.5.3, where UTF-8 BOM is being fed back. + //May be able to remove this after more node releases. + if (isWindows && text.indexOf('\uFEFF') === 0) { + text = text.substring(1, text.length); + } + + return text; + }, + + saveUtf8File: function (/*String*/fileName, /*String*/fileContents) { + //summary: saves a *text* file using UTF-8 encoding. + file.saveFile(fileName, fileContents, "utf8"); + }, + + saveFile: function (/*String*/fileName, /*String*/fileContents, /*String?*/encoding) { + //summary: saves a *text* file. + var parentDir; + + if (encoding === 'utf-8') { + encoding = 'utf8'; + } + if (!encoding) { + encoding = 'utf8'; + } + + //Make sure destination directories exist. + parentDir = path.dirname(fileName); + if (!file.exists(parentDir)) { + mkFullDir(parentDir); + } + + fs.writeFileSync(fileName, fileContents, encoding); + }, + + deleteFile: function (/*String*/fileName) { + //summary: deletes a file or directory if it exists. + var files, i, stat; + if (file.exists(fileName)) { + stat = fs.statSync(fileName); + if (stat.isDirectory()) { + files = fs.readdirSync(fileName); + for (i = 0; i < files.length; i++) { + this.deleteFile(path.join(fileName, files[i])); + } + fs.rmdirSync(fileName); + } else { + fs.unlinkSync(fileName); + } + } + } + }; + + return file; + +}); + +} + +if(env === 'rhino') { +/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ +//Helper functions to deal with file I/O. + +/*jslint plusplus: false, strict: false */ +/*global java: false, define: false */ + +define('rhino/file', function () { + var file = { + backSlashRegExp: /\\/g, + + getLineSeparator: function () { + return file.lineSeparator; + }, + + lineSeparator: java.lang.System.getProperty("line.separator"), //Java String + + exists: function (fileName) { + return (new java.io.File(fileName)).exists(); + }, + + parent: function (fileName) { + return file.absPath((new java.io.File(fileName)).getParentFile()); + }, + + normalize: function (fileName) { + return file.absPath(fileName); + }, + + isFile: function (path) { + return (new java.io.File(path)).isFile(); + }, + + isDirectory: function (path) { + return (new java.io.File(path)).isDirectory(); + }, + + /** + * Gets the absolute file path as a string, normalized + * to using front slashes for path separators. + * @param {java.io.File||String} file + */ + absPath: function (fileObj) { + if (typeof fileObj === "string") { + fileObj = new java.io.File(fileObj); + } + return (fileObj.getAbsolutePath() + "").replace(file.backSlashRegExp, "/"); + }, + + getFilteredFileList: function (/*String*/startDir, /*RegExp*/regExpFilters, /*boolean?*/makeUnixPaths, /*boolean?*/startDirIsJavaObject) { + //summary: Recurses startDir and finds matches to the files that match regExpFilters.include + //and do not match regExpFilters.exclude. Or just one regexp can be passed in for regExpFilters, + //and it will be treated as the "include" case. + //Ignores files/directories that start with a period (.). + var files = [], topDir, regExpInclude, regExpExclude, dirFileArray, + i, fileObj, filePath, ok, dirFiles; + + topDir = startDir; + if (!startDirIsJavaObject) { + topDir = new java.io.File(startDir); + } + + regExpInclude = regExpFilters.include || regExpFilters; + regExpExclude = regExpFilters.exclude || null; + + if (topDir.exists()) { + dirFileArray = topDir.listFiles(); + for (i = 0; i < dirFileArray.length; i++) { + fileObj = dirFileArray[i]; + if (fileObj.isFile()) { + filePath = fileObj.getPath(); + if (makeUnixPaths) { + //Make sure we have a JS string. + filePath = String(filePath); + if (filePath.indexOf("/") === -1) { + filePath = filePath.replace(/\\/g, "/"); + } + } + + ok = true; + if (regExpInclude) { + ok = filePath.match(regExpInclude); + } + if (ok && regExpExclude) { + ok = !filePath.match(regExpExclude); + } + + if (ok && !fileObj.getName().match(/^\./)) { + files.push(filePath); + } + } else if (fileObj.isDirectory() && !fileObj.getName().match(/^\./)) { + dirFiles = this.getFilteredFileList(fileObj, regExpFilters, makeUnixPaths, true); + files.push.apply(files, dirFiles); + } + } + } + + return files; //Array + }, + + copyDir: function (/*String*/srcDir, /*String*/destDir, /*RegExp?*/regExpFilter, /*boolean?*/onlyCopyNew) { + //summary: copies files from srcDir to destDir using the regExpFilter to determine if the + //file should be copied. Returns a list file name strings of the destinations that were copied. + regExpFilter = regExpFilter || /\w/; + + var fileNames = file.getFilteredFileList(srcDir, regExpFilter, true), + copiedFiles = [], i, srcFileName, destFileName; + + for (i = 0; i < fileNames.length; i++) { + srcFileName = fileNames[i]; + destFileName = srcFileName.replace(srcDir, destDir); + + if (file.copyFile(srcFileName, destFileName, onlyCopyNew)) { + copiedFiles.push(destFileName); + } + } + + return copiedFiles.length ? copiedFiles : null; //Array or null + }, + + copyFile: function (/*String*/srcFileName, /*String*/destFileName, /*boolean?*/onlyCopyNew) { + //summary: copies srcFileName to destFileName. If onlyCopyNew is set, it only copies the file if + //srcFileName is newer than destFileName. Returns a boolean indicating if the copy occurred. + var destFile = new java.io.File(destFileName), srcFile, parentDir, + srcChannel, destChannel; + + //logger.trace("Src filename: " + srcFileName); + //logger.trace("Dest filename: " + destFileName); + + //If onlyCopyNew is true, then compare dates and only copy if the src is newer + //than dest. + if (onlyCopyNew) { + srcFile = new java.io.File(srcFileName); + if (destFile.exists() && destFile.lastModified() >= srcFile.lastModified()) { + return false; //Boolean + } + } + + //Make sure destination dir exists. + parentDir = destFile.getParentFile(); + if (!parentDir.exists()) { + if (!parentDir.mkdirs()) { + throw "Could not create directory: " + parentDir.getAbsolutePath(); + } + } + + //Java's version of copy file. + srcChannel = new java.io.FileInputStream(srcFileName).getChannel(); + destChannel = new java.io.FileOutputStream(destFileName).getChannel(); + destChannel.transferFrom(srcChannel, 0, srcChannel.size()); + srcChannel.close(); + destChannel.close(); + + return true; //Boolean + }, + + readFile: function (/*String*/path, /*String?*/encoding) { + //A file read function that can deal with BOMs + encoding = encoding || "utf-8"; + var fileObj = new java.io.File(path), + input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(fileObj), encoding)), + stringBuffer, line; + try { + stringBuffer = new java.lang.StringBuffer(); + line = input.readLine(); + + // Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324 + // http://www.unicode.org/faq/utf_bom.html + + // Note that when we use utf-8, the BOM should appear as "EF BB BF", but it doesn't due to this bug in the JDK: + // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058 + if (line && line.length() && line.charAt(0) === 0xfeff) { + // Eat the BOM, since we've already found the encoding on this file, + // and we plan to concatenating this buffer with others; the BOM should + // only appear at the top of a file. + line = line.substring(1); + } + while (line !== null) { + stringBuffer.append(line); + stringBuffer.append(file.lineSeparator); + line = input.readLine(); + } + //Make sure we return a JavaScript string and not a Java string. + return String(stringBuffer.toString()); //String + } finally { + input.close(); + } + }, + + saveUtf8File: function (/*String*/fileName, /*String*/fileContents) { + //summary: saves a file using UTF-8 encoding. + file.saveFile(fileName, fileContents, "utf-8"); + }, + + saveFile: function (/*String*/fileName, /*String*/fileContents, /*String?*/encoding) { + //summary: saves a file. + var outFile = new java.io.File(fileName), outWriter, parentDir, os; + + parentDir = outFile.getAbsoluteFile().getParentFile(); + if (!parentDir.exists()) { + if (!parentDir.mkdirs()) { + throw "Could not create directory: " + parentDir.getAbsolutePath(); + } + } + + if (encoding) { + outWriter = new java.io.OutputStreamWriter(new java.io.FileOutputStream(outFile), encoding); + } else { + outWriter = new java.io.OutputStreamWriter(new java.io.FileOutputStream(outFile)); + } + + os = new java.io.BufferedWriter(outWriter); + try { + os.write(fileContents); + } finally { + os.close(); + } + }, + + deleteFile: function (/*String*/fileName) { + //summary: deletes a file or directory if it exists. + var fileObj = new java.io.File(fileName), files, i; + if (fileObj.exists()) { + if (fileObj.isDirectory()) { + files = fileObj.listFiles(); + for (i = 0; i < files.length; i++) { + this.deleteFile(files[i]); + } + } + fileObj["delete"](); + } + } + }; + + return file; +}); + +} +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint plusplus: false, strict: false */ +/*global define: false */ + +define('lang', function () { + var lang = { + backSlashRegExp: /\\/g, + ostring: Object.prototype.toString, + + isArray: Array.isArray ? Array.isArray : function (it) { + return lang.ostring.call(it) === "[object Array]"; + }, + + /** + * Simple function to mix in properties from source into target, + * but only if target does not already have a property of the same name. + */ + mixin: function (target, source, override) { + //Use an empty object to avoid other bad JS code that modifies + //Object.prototype. + var empty = {}, prop; + for (prop in source) { + if (override || !(prop in target)) { + target[prop] = source[prop]; + } + } + }, + + delegate: (function () { + // boodman/crockford delegation w/ cornford optimization + function TMP() {} + return function (obj, props) { + TMP.prototype = obj; + var tmp = new TMP(); + TMP.prototype = null; + if (props) { + lang.mixin(tmp, props); + } + return tmp; // Object + }; + }()) + }; + return lang; +}); + +if(env === 'node') { +/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global define: false, console: false */ + +define('node/print', function () { + function print(msg) { + console.log(msg); + } + + return print; +}); + +} + +if(env === 'rhino') { +/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global define: false, print: false */ + +define('rhino/print', function () { + return print; +}); + +} +/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint nomen: false, strict: false */ +/*global define: false */ + +define('logger', ['env!env/print'], function (print) { + var logger = { + TRACE: 0, + INFO: 1, + WARN: 2, + ERROR: 3, + SILENT: 4, + level: 0, + logPrefix: "", + + logLevel: function( level ) { + this.level = level; + }, + + trace: function (message) { + if (this.level <= this.TRACE) { + this._print(message); + } + }, + + info: function (message) { + if (this.level <= this.INFO) { + this._print(message); + } + }, + + warn: function (message) { + if (this.level <= this.WARN) { + this._print(message); + } + }, + + error: function (message) { + if (this.level <= this.ERROR) { + this._print(message); + } + }, + + _print: function (message) { + this._sysPrint((this.logPrefix ? (this.logPrefix + " ") : "") + message); + }, + + _sysPrint: function (message) { + print(message); + } + }; + + return logger; +}); +//Just a blank file to use when building the optimizer with the optimizer, +//so that the build does not attempt to inline some env modules, +//like Node's fs and path. + +//Just a blank file to use when building the optimizer with the optimizer, +//so that the build does not attempt to inline some env modules, +//like Node's fs and path. + +define('uglifyjs/parse-js', ["require", "exports", "module"], function(require, exports, module) { + +/*********************************************************************** + + A JavaScript tokenizer / parser / beautifier / compressor. + + This version is suitable for Node.js. With minimal changes (the + exports stuff) it should work on any JS platform. + + This file contains the tokenizer/parser. It is a port to JavaScript + of parse-js [1], a JavaScript parser library written in Common Lisp + by Marijn Haverbeke. Thank you Marijn! + + [1] http://marijn.haverbeke.nl/parse-js/ + + Exported functions: + + - tokenizer(code) -- returns a function. Call the returned + function to fetch the next token. + + - parse(code) -- returns an AST of the given JavaScript code. + + -------------------------------- (C) --------------------------------- + + Author: Mihai Bazon + + http://mihai.bazon.net/blog + + Distributed under the BSD license: + + Copyright 2010 (c) Mihai Bazon + Based on parse-js (http://marijn.haverbeke.nl/parse-js/). + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above + copyright notice, this list of conditions and the following + disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. + + ***********************************************************************/ + +/* -----[ Tokenizer (constants) ]----- */ + +var KEYWORDS = array_to_hash([ + "break", + "case", + "catch", + "const", + "continue", + "default", + "delete", + "do", + "else", + "finally", + "for", + "function", + "if", + "in", + "instanceof", + "new", + "return", + "switch", + "throw", + "try", + "typeof", + "var", + "void", + "while", + "with" +]); + +var RESERVED_WORDS = array_to_hash([ + "abstract", + "boolean", + "byte", + "char", + "class", + "debugger", + "double", + "enum", + "export", + "extends", + "final", + "float", + "goto", + "implements", + "import", + "int", + "interface", + "long", + "native", + "package", + "private", + "protected", + "public", + "short", + "static", + "super", + "synchronized", + "throws", + "transient", + "volatile" +]); + +var KEYWORDS_BEFORE_EXPRESSION = array_to_hash([ + "return", + "new", + "delete", + "throw", + "else", + "case" +]); + +var KEYWORDS_ATOM = array_to_hash([ + "false", + "null", + "true", + "undefined" +]); + +var OPERATOR_CHARS = array_to_hash(characters("+-*&%=<>!?|~^")); + +var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i; +var RE_OCT_NUMBER = /^0[0-7]+$/; +var RE_DEC_NUMBER = /^\d*\.?\d*(?:e[+-]?\d*(?:\d\.?|\.?\d)\d*)?$/i; + +var OPERATORS = array_to_hash([ + "in", + "instanceof", + "typeof", + "new", + "void", + "delete", + "++", + "--", + "+", + "-", + "!", + "~", + "&", + "|", + "^", + "*", + "/", + "%", + ">>", + "<<", + ">>>", + "<", + ">", + "<=", + ">=", + "==", + "===", + "!=", + "!==", + "?", + "=", + "+=", + "-=", + "/=", + "*=", + "%=", + ">>=", + "<<=", + ">>>=", + "|=", + "^=", + "&=", + "&&", + "||" +]); + +var WHITESPACE_CHARS = array_to_hash(characters(" \u00a0\n\r\t\f\v\u200b")); + +var PUNC_BEFORE_EXPRESSION = array_to_hash(characters("[{}(,.;:")); + +var PUNC_CHARS = array_to_hash(characters("[]{}(),;:")); + +var REGEXP_MODIFIERS = array_to_hash(characters("gmsiy")); + +/* -----[ Tokenizer ]----- */ + +// regexps adapted from http://xregexp.com/plugins/#unicode +var UNICODE = { + letter: new 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+ non_spacing_mark: new 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+ space_combining_mark: new RegExp("[\\u0903\\u093E-\\u0940\\u0949-\\u094C\\u094E\\u0982\\u0983\\u09BE-\\u09C0\\u09C7\\u09C8\\u09CB\\u09CC\\u09D7\\u0A03\\u0A3E-\\u0A40\\u0A83\\u0ABE-\\u0AC0\\u0AC9\\u0ACB\\u0ACC\\u0B02\\u0B03\\u0B3E\\u0B40\\u0B47\\u0B48\\u0B4B\\u0B4C\\u0B57\\u0BBE\\u0BBF\\u0BC1\\u0BC2\\u0BC6-\\u0BC8\\u0BCA-\\u0BCC\\u0BD7\\u0C01-\\u0C03\\u0C41-\\u0C44\\u0C82\\u0C83\\u0CBE\\u0CC0-\\u0CC4\\u0CC7\\u0CC8\\u0CCA\\u0CCB\\u0CD5\\u0CD6\\u0D02\\u0D03\\u0D3E-\\u0D40\\u0D46-\\u0D48\\u0D4A-\\u0D4C\\u0D57\\u0D82\\u0D83\\u0DCF-\\u0DD1\\u0DD8-\\u0DDF\\u0DF2\\u0DF3\\u0F3E\\u0F3F\\u0F7F\\u102B\\u102C\\u1031\\u1038\\u103B\\u103C\\u1056\\u1057\\u1062-\\u1064\\u1067-\\u106D\\u1083\\u1084\\u1087-\\u108C\\u108F\\u109A-\\u109C\\u17B6\\u17BE-\\u17C5\\u17C7\\u17C8\\u1923-\\u1926\\u1929-\\u192B\\u1930\\u1931\\u1933-\\u1938\\u19B0-\\u19C0\\u19C8\\u19C9\\u1A19-\\u1A1B\\u1A55\\u1A57\\u1A61\\u1A63\\u1A64\\u1A6D-\\u1A72\\u1B04\\u1B35\\u1B3B\\u1B3D-\\u1B41\\u1B43\\u1B44\\u1B82\\u1BA1\\u1BA6\\u1BA7\\u1BAA\\u1C24-\\u1C2B\\u1C34\\u1C35\\u1CE1\\u1CF2\\uA823\\uA824\\uA827\\uA880\\uA881\\uA8B4-\\uA8C3\\uA952\\uA953\\uA983\\uA9B4\\uA9B5\\uA9BA\\uA9BB\\uA9BD-\\uA9C0\\uAA2F\\uAA30\\uAA33\\uAA34\\uAA4D\\uAA7B\\uABE3\\uABE4\\uABE6\\uABE7\\uABE9\\uABEA\\uABEC]"), + connector_punctuation: new RegExp("[\\u005F\\u203F\\u2040\\u2054\\uFE33\\uFE34\\uFE4D-\\uFE4F\\uFF3F]") +}; + +function is_letter(ch) { + return UNICODE.letter.test(ch); +}; + +function is_digit(ch) { + ch = ch.charCodeAt(0); + return ch >= 48 && ch <= 57; //XXX: find out if "UnicodeDigit" means something else than 0..9 +}; + +function is_alphanumeric_char(ch) { + return is_digit(ch) || is_letter(ch); +}; + +function is_unicode_combining_mark(ch) { + return UNICODE.non_spacing_mark.test(ch) || UNICODE.space_combining_mark.test(ch); +}; + +function is_unicode_connector_punctuation(ch) { + return UNICODE.connector_punctuation.test(ch); +}; + +function is_identifier_start(ch) { + return ch == "$" || ch == "_" || is_letter(ch); +}; + +function is_identifier_char(ch) { + return is_identifier_start(ch) + || is_unicode_combining_mark(ch) + || is_digit(ch) + || is_unicode_connector_punctuation(ch) + || ch == "\u200c" // zero-width non-joiner + || ch == "\u200d" // zero-width joiner (in my ECMA-262 PDF, this is also 200c) + ; +}; + +function parse_js_number(num) { + if (RE_HEX_NUMBER.test(num)) { + return parseInt(num.substr(2), 16); + } else if (RE_OCT_NUMBER.test(num)) { + return parseInt(num.substr(1), 8); + } else if (RE_DEC_NUMBER.test(num)) { + return parseFloat(num); + } +}; + +function JS_Parse_Error(message, line, col, pos) { + this.message = message; + this.line = line; + this.col = col; + this.pos = pos; + /* + try { + ({})(); + } catch(ex) { + this.stack = ex.stack; + }; + */ +}; + +JS_Parse_Error.prototype.toString = function() { + return this.message + " (line: " + this.line + ", col: " + this.col + ", pos: " + this.pos + ")" + "\n\n" + this.stack; +}; + +function js_error(message, line, col, pos) { + throw new JS_Parse_Error(message, line, col, pos); +}; + +function is_token(token, type, val) { + return token.type == type && (val == null || token.value == val); +}; + +var EX_EOF = {}; + +function tokenizer($TEXT) { + + var S = { + text : $TEXT.replace(/\r\n?|[\n\u2028\u2029]/g, "\n").replace(/^\uFEFF/, ''), + pos : 0, + tokpos : 0, + line : 0, + tokline : 0, + col : 0, + tokcol : 0, + newline_before : false, + regex_allowed : false, + comments_before : [] + }; + + function peek() { return S.text.charAt(S.pos); }; + + function next(signal_eof) { + var ch = S.text.charAt(S.pos++); + if (signal_eof && !ch) + throw EX_EOF; + if (ch == "\n") { + S.newline_before = true; + ++S.line; + S.col = 0; + } else { + ++S.col; + } + return ch; + }; + + function eof() { + return !S.peek(); + }; + + function find(what, signal_eof) { + var pos = S.text.indexOf(what, S.pos); + if (signal_eof && pos == -1) throw EX_EOF; + return pos; + }; + + function start_token() { + S.tokline = S.line; + S.tokcol = S.col; + S.tokpos = S.pos; + }; + + function token(type, value, is_comment) { + S.regex_allowed = ((type == "operator" && !HOP(UNARY_POSTFIX, value)) || + (type == "keyword" && HOP(KEYWORDS_BEFORE_EXPRESSION, value)) || + (type == "punc" && HOP(PUNC_BEFORE_EXPRESSION, value))); + var ret = { + type : type, + value : value, + line : S.tokline, + col : S.tokcol, + pos : S.tokpos, + nlb : S.newline_before + }; + if (!is_comment) { + ret.comments_before = S.comments_before; + S.comments_before = []; + } + S.newline_before = false; + return ret; + }; + + function skip_whitespace() { + while (HOP(WHITESPACE_CHARS, peek())) + next(); + }; + + function read_while(pred) { + var ret = "", ch = peek(), i = 0; + while (ch && pred(ch, i++)) { + ret += next(); + ch = peek(); + } + return ret; + }; + + function parse_error(err) { + js_error(err, S.tokline, S.tokcol, S.tokpos); + }; + + function read_num(prefix) { + var has_e = false, after_e = false, has_x = false, has_dot = prefix == "."; + var num = read_while(function(ch, i){ + if (ch == "x" || ch == "X") { + if (has_x) return false; + return has_x = true; + } + if (!has_x && (ch == "E" || ch == "e")) { + if (has_e) return false; + return has_e = after_e = true; + } + if (ch == "-") { + if (after_e || (i == 0 && !prefix)) return true; + return false; + } + if (ch == "+") return after_e; + after_e = false; + if (ch == ".") { + if (!has_dot && !has_x) + return has_dot = true; + return false; + } + return is_alphanumeric_char(ch); + }); + if (prefix) + num = prefix + num; + var valid = parse_js_number(num); + if (!isNaN(valid)) { + return token("num", valid); + } else { + parse_error("Invalid syntax: " + num); + } + }; + + function read_escaped_char() { + var ch = next(true); + switch (ch) { + case "n" : return "\n"; + case "r" : return "\r"; + case "t" : return "\t"; + case "b" : return "\b"; + case "v" : return "\v"; + case "f" : return "\f"; + case "0" : return "\0"; + case "x" : return String.fromCharCode(hex_bytes(2)); + case "u" : return String.fromCharCode(hex_bytes(4)); + default : return ch; + } + }; + + function hex_bytes(n) { + var num = 0; + for (; n > 0; --n) { + var digit = parseInt(next(true), 16); + if (isNaN(digit)) + parse_error("Invalid hex-character pattern in string"); + num = (num << 4) | digit; + } + return num; + }; + + function read_string() { + return with_eof_error("Unterminated string constant", function(){ + var quote = next(), ret = ""; + for (;;) { + var ch = next(true); + if (ch == "\\") { + // read OctalEscapeSequence (XXX: deprecated if "strict mode") + // https://github.com/mishoo/UglifyJS/issues/178 + var octal_len = 0, first = null; + ch = read_while(function(ch){ + if (ch >= "0" && ch <= "7") { + if (!first) { + first = ch; + return ++octal_len; + } + else if (first <= "3" && octal_len <= 2) return ++octal_len; + else if (first >= "4" && octal_len <= 1) return ++octal_len; + } + return false; + }); + if (octal_len > 0) ch = String.fromCharCode(parseInt(ch, 8)); + else ch = read_escaped_char(); + } + else if (ch == quote) break; + ret += ch; + } + return token("string", ret); + }); + }; + + function read_line_comment() { + next(); + var i = find("\n"), ret; + if (i == -1) { + ret = S.text.substr(S.pos); + S.pos = S.text.length; + } else { + ret = S.text.substring(S.pos, i); + S.pos = i; + } + return token("comment1", ret, true); + }; + + function read_multiline_comment() { + next(); + return with_eof_error("Unterminated multiline comment", function(){ + var i = find("*/", true), + text = S.text.substring(S.pos, i), + tok = token("comment2", text, true); + S.pos = i + 2; + S.line += text.split("\n").length - 1; + S.newline_before = text.indexOf("\n") >= 0; + + // https://github.com/mishoo/UglifyJS/issues/#issue/100 + if (/^@cc_on/i.test(text)) { + warn("WARNING: at line " + S.line); + warn("*** Found \"conditional comment\": " + text); + warn("*** UglifyJS DISCARDS ALL COMMENTS. This means your code might no longer work properly in Internet Explorer."); + } + + return tok; + }); + }; + + function read_name() { + var backslash = false, name = "", ch; + while ((ch = peek()) != null) { + if (!backslash) { + if (ch == "\\") backslash = true, next(); + else if (is_identifier_char(ch)) name += next(); + else break; + } + else { + if (ch != "u") parse_error("Expecting UnicodeEscapeSequence -- uXXXX"); + ch = read_escaped_char(); + if (!is_identifier_char(ch)) parse_error("Unicode char: " + ch.charCodeAt(0) + " is not valid in identifier"); + name += ch; + backslash = false; + } + } + return name; + }; + + function read_regexp() { + return with_eof_error("Unterminated regular expression", function(){ + var prev_backslash = false, regexp = "", ch, in_class = false; + while ((ch = next(true))) if (prev_backslash) { + regexp += "\\" + ch; + prev_backslash = false; + } else if (ch == "[") { + in_class = true; + regexp += ch; + } else if (ch == "]" && in_class) { + in_class = false; + regexp += ch; + } else if (ch == "/" && !in_class) { + break; + } else if (ch == "\\") { + prev_backslash = true; + } else { + regexp += ch; + } + var mods = read_name(); + return token("regexp", [ regexp, mods ]); + }); + }; + + function read_operator(prefix) { + function grow(op) { + if (!peek()) return op; + var bigger = op + peek(); + if (HOP(OPERATORS, bigger)) { + next(); + return grow(bigger); + } else { + return op; + } + }; + return token("operator", grow(prefix || next())); + }; + + function handle_slash() { + next(); + var regex_allowed = S.regex_allowed; + switch (peek()) { + case "/": + S.comments_before.push(read_line_comment()); + S.regex_allowed = regex_allowed; + return next_token(); + case "*": + S.comments_before.push(read_multiline_comment()); + S.regex_allowed = regex_allowed; + return next_token(); + } + return S.regex_allowed ? read_regexp() : read_operator("/"); + }; + + function handle_dot() { + next(); + return is_digit(peek()) + ? read_num(".") + : token("punc", "."); + }; + + function read_word() { + var word = read_name(); + return !HOP(KEYWORDS, word) + ? token("name", word) + : HOP(OPERATORS, word) + ? token("operator", word) + : HOP(KEYWORDS_ATOM, word) + ? token("atom", word) + : token("keyword", word); + }; + + function with_eof_error(eof_error, cont) { + try { + return cont(); + } catch(ex) { + if (ex === EX_EOF) parse_error(eof_error); + else throw ex; + } + }; + + function next_token(force_regexp) { + if (force_regexp) + return read_regexp(); + skip_whitespace(); + start_token(); + var ch = peek(); + if (!ch) return token("eof"); + if (is_digit(ch)) return read_num(); + if (ch == '"' || ch == "'") return read_string(); + if (HOP(PUNC_CHARS, ch)) return token("punc", next()); + if (ch == ".") return handle_dot(); + if (ch == "/") return handle_slash(); + if (HOP(OPERATOR_CHARS, ch)) return read_operator(); + if (ch == "\\" || is_identifier_start(ch)) return read_word(); + parse_error("Unexpected character '" + ch + "'"); + }; + + next_token.context = function(nc) { + if (nc) S = nc; + return S; + }; + + return next_token; + +}; + +/* -----[ Parser (constants) ]----- */ + +var UNARY_PREFIX = array_to_hash([ + "typeof", + "void", + "delete", + "--", + "++", + "!", + "~", + "-", + "+" +]); + +var UNARY_POSTFIX = array_to_hash([ "--", "++" ]); + +var ASSIGNMENT = (function(a, ret, i){ + while (i < a.length) { + ret[a[i]] = a[i].substr(0, a[i].length - 1); + i++; + } + return ret; +})( + ["+=", "-=", "/=", "*=", "%=", ">>=", "<<=", ">>>=", "|=", "^=", "&="], + { "=": true }, + 0 +); + +var PRECEDENCE = (function(a, ret){ + for (var i = 0, n = 1; i < a.length; ++i, ++n) { + var b = a[i]; + for (var j = 0; j < b.length; ++j) { + ret[b[j]] = n; + } + } + return ret; +})( + [ + ["||"], + ["&&"], + ["|"], + ["^"], + ["&"], + ["==", "===", "!=", "!=="], + ["<", ">", "<=", ">=", "in", "instanceof"], + [">>", "<<", ">>>"], + ["+", "-"], + ["*", "/", "%"] + ], + {} +); + +var STATEMENTS_WITH_LABELS = array_to_hash([ "for", "do", "while", "switch" ]); + +var ATOMIC_START_TOKEN = array_to_hash([ "atom", "num", "string", "regexp", "name" ]); + +/* -----[ Parser ]----- */ + +function NodeWithToken(str, start, end) { + this.name = str; + this.start = start; + this.end = end; +}; + +NodeWithToken.prototype.toString = function() { return this.name; }; + +function parse($TEXT, exigent_mode, embed_tokens) { + + var S = { + input : typeof $TEXT == "string" ? tokenizer($TEXT, true) : $TEXT, + token : null, + prev : null, + peeked : null, + in_function : 0, + in_loop : 0, + labels : [] + }; + + S.token = next(); + + function is(type, value) { + return is_token(S.token, type, value); + }; + + function peek() { return S.peeked || (S.peeked = S.input()); }; + + function next() { + S.prev = S.token; + if (S.peeked) { + S.token = S.peeked; + S.peeked = null; + } else { + S.token = S.input(); + } + return S.token; + }; + + function prev() { + return S.prev; + }; + + function croak(msg, line, col, pos) { + var ctx = S.input.context(); + js_error(msg, + line != null ? line : ctx.tokline, + col != null ? col : ctx.tokcol, + pos != null ? pos : ctx.tokpos); + }; + + function token_error(token, msg) { + croak(msg, token.line, token.col); + }; + + function unexpected(token) { + if (token == null) + token = S.token; + token_error(token, "Unexpected token: " + token.type + " (" + token.value + ")"); + }; + + function expect_token(type, val) { + if (is(type, val)) { + return next(); + } + token_error(S.token, "Unexpected token " + S.token.type + ", expected " + type); + }; + + function expect(punc) { return expect_token("punc", punc); }; + + function can_insert_semicolon() { + return !exigent_mode && ( + S.token.nlb || is("eof") || is("punc", "}") + ); + }; + + function semicolon() { + if (is("punc", ";")) next(); + else if (!can_insert_semicolon()) unexpected(); + }; + + function as() { + return slice(arguments); + }; + + function parenthesised() { + expect("("); + var ex = expression(); + expect(")"); + return ex; + }; + + function add_tokens(str, start, end) { + return str instanceof NodeWithToken ? str : new NodeWithToken(str, start, end); + }; + + function maybe_embed_tokens(parser) { + if (embed_tokens) return function() { + var start = S.token; + var ast = parser.apply(this, arguments); + ast[0] = add_tokens(ast[0], start, prev()); + return ast; + }; + else return parser; + }; + + var statement = maybe_embed_tokens(function() { + if (is("operator", "/")) { + S.peeked = null; + S.token = S.input(true); // force regexp + } + switch (S.token.type) { + case "num": + case "string": + case "regexp": + case "operator": + case "atom": + return simple_statement(); + + case "name": + return is_token(peek(), "punc", ":") + ? labeled_statement(prog1(S.token.value, next, next)) + : simple_statement(); + + case "punc": + switch (S.token.value) { + case "{": + return as("block", block_()); + case "[": + case "(": + return simple_statement(); + case ";": + next(); + return as("block"); + default: + unexpected(); + } + + case "keyword": + switch (prog1(S.token.value, next)) { + case "break": + return break_cont("break"); + + case "continue": + return break_cont("continue"); + + case "debugger": + semicolon(); + return as("debugger"); + + case "do": + return (function(body){ + expect_token("keyword", "while"); + return as("do", prog1(parenthesised, semicolon), body); + })(in_loop(statement)); + + case "for": + return for_(); + + case "function": + return function_(true); + + case "if": + return if_(); + + case "return": + if (S.in_function == 0) + croak("'return' outside of function"); + return as("return", + is("punc", ";") + ? (next(), null) + : can_insert_semicolon() + ? null + : prog1(expression, semicolon)); + + case "switch": + return as("switch", parenthesised(), switch_block_()); + + case "throw": + return as("throw", prog1(expression, semicolon)); + + case "try": + return try_(); + + case "var": + return prog1(var_, semicolon); + + case "const": + return prog1(const_, semicolon); + + case "while": + return as("while", parenthesised(), in_loop(statement)); + + case "with": + return as("with", parenthesised(), statement()); + + default: + unexpected(); + } + } + }); + + function labeled_statement(label) { + S.labels.push(label); + var start = S.token, stat = statement(); + if (exigent_mode && !HOP(STATEMENTS_WITH_LABELS, stat[0])) + unexpected(start); + S.labels.pop(); + return as("label", label, stat); + }; + + function simple_statement() { + return as("stat", prog1(expression, semicolon)); + }; + + function break_cont(type) { + var name; + if (!can_insert_semicolon()) { + name = is("name") ? S.token.value : null; + } + if (name != null) { + next(); + if (!member(name, S.labels)) + croak("Label " + name + " without matching loop or statement"); + } + else if (S.in_loop == 0) + croak(type + " not inside a loop or switch"); + semicolon(); + return as(type, name); + }; + + function for_() { + expect("("); + var init = null; + if (!is("punc", ";")) { + init = is("keyword", "var") + ? (next(), var_(true)) + : expression(true, true); + if (is("operator", "in")) + return for_in(init); + } + return regular_for(init); + }; + + function regular_for(init) { + expect(";"); + var test = is("punc", ";") ? null : expression(); + expect(";"); + var step = is("punc", ")") ? null : expression(); + expect(")"); + return as("for", init, test, step, in_loop(statement)); + }; + + function for_in(init) { + var lhs = init[0] == "var" ? as("name", init[1][0]) : init; + next(); + var obj = expression(); + expect(")"); + return as("for-in", init, lhs, obj, in_loop(statement)); + }; + + var function_ = maybe_embed_tokens(function(in_statement) { + var name = is("name") ? prog1(S.token.value, next) : null; + if (in_statement && !name) + unexpected(); + expect("("); + return as(in_statement ? "defun" : "function", + name, + // arguments + (function(first, a){ + while (!is("punc", ")")) { + if (first) first = false; else expect(","); + if (!is("name")) unexpected(); + a.push(S.token.value); + next(); + } + next(); + return a; + })(true, []), + // body + (function(){ + ++S.in_function; + var loop = S.in_loop; + S.in_loop = 0; + var a = block_(); + --S.in_function; + S.in_loop = loop; + return a; + })()); + }); + + function if_() { + var cond = parenthesised(), body = statement(), belse; + if (is("keyword", "else")) { + next(); + belse = statement(); + } + return as("if", cond, body, belse); + }; + + function block_() { + expect("{"); + var a = []; + while (!is("punc", "}")) { + if (is("eof")) unexpected(); + a.push(statement()); + } + next(); + return a; + }; + + var switch_block_ = curry(in_loop, function(){ + expect("{"); + var a = [], cur = null; + while (!is("punc", "}")) { + if (is("eof")) unexpected(); + if (is("keyword", "case")) { + next(); + cur = []; + a.push([ expression(), cur ]); + expect(":"); + } + else if (is("keyword", "default")) { + next(); + expect(":"); + cur = []; + a.push([ null, cur ]); + } + else { + if (!cur) unexpected(); + cur.push(statement()); + } + } + next(); + return a; + }); + + function try_() { + var body = block_(), bcatch, bfinally; + if (is("keyword", "catch")) { + next(); + expect("("); + if (!is("name")) + croak("Name expected"); + var name = S.token.value; + next(); + expect(")"); + bcatch = [ name, block_() ]; + } + if (is("keyword", "finally")) { + next(); + bfinally = block_(); + } + if (!bcatch && !bfinally) + croak("Missing catch/finally blocks"); + return as("try", body, bcatch, bfinally); + }; + + function vardefs(no_in) { + var a = []; + for (;;) { + if (!is("name")) + unexpected(); + var name = S.token.value; + next(); + if (is("operator", "=")) { + next(); + a.push([ name, expression(false, no_in) ]); + } else { + a.push([ name ]); + } + if (!is("punc", ",")) + break; + next(); + } + return a; + }; + + function var_(no_in) { + return as("var", vardefs(no_in)); + }; + + function const_() { + return as("const", vardefs()); + }; + + function new_() { + var newexp = expr_atom(false), args; + if (is("punc", "(")) { + next(); + args = expr_list(")"); + } else { + args = []; + } + return subscripts(as("new", newexp, args), true); + }; + + var expr_atom = maybe_embed_tokens(function(allow_calls) { + if (is("operator", "new")) { + next(); + return new_(); + } + if (is("punc")) { + switch (S.token.value) { + case "(": + next(); + return subscripts(prog1(expression, curry(expect, ")")), allow_calls); + case "[": + next(); + return subscripts(array_(), allow_calls); + case "{": + next(); + return subscripts(object_(), allow_calls); + } + unexpected(); + } + if (is("keyword", "function")) { + next(); + return subscripts(function_(false), allow_calls); + } + if (HOP(ATOMIC_START_TOKEN, S.token.type)) { + var atom = S.token.type == "regexp" + ? as("regexp", S.token.value[0], S.token.value[1]) + : as(S.token.type, S.token.value); + return subscripts(prog1(atom, next), allow_calls); + } + unexpected(); + }); + + function expr_list(closing, allow_trailing_comma, allow_empty) { + var first = true, a = []; + while (!is("punc", closing)) { + if (first) first = false; else expect(","); + if (allow_trailing_comma && is("punc", closing)) break; + if (is("punc", ",") && allow_empty) { + a.push([ "atom", "undefined" ]); + } else { + a.push(expression(false)); + } + } + next(); + return a; + }; + + function array_() { + return as("array", expr_list("]", !exigent_mode, true)); + }; + + function object_() { + var first = true, a = []; + while (!is("punc", "}")) { + if (first) first = false; else expect(","); + if (!exigent_mode && is("punc", "}")) + // allow trailing comma + break; + var type = S.token.type; + var name = as_property_name(); + if (type == "name" && (name == "get" || name == "set") && !is("punc", ":")) { + a.push([ as_name(), function_(false), name ]); + } else { + expect(":"); + a.push([ name, expression(false) ]); + } + } + next(); + return as("object", a); + }; + + function as_property_name() { + switch (S.token.type) { + case "num": + case "string": + return prog1(S.token.value, next); + } + return as_name(); + }; + + function as_name() { + switch (S.token.type) { + case "name": + case "operator": + case "keyword": + case "atom": + return prog1(S.token.value, next); + default: + unexpected(); + } + }; + + function subscripts(expr, allow_calls) { + if (is("punc", ".")) { + next(); + return subscripts(as("dot", expr, as_name()), allow_calls); + } + if (is("punc", "[")) { + next(); + return subscripts(as("sub", expr, prog1(expression, curry(expect, "]"))), allow_calls); + } + if (allow_calls && is("punc", "(")) { + next(); + return subscripts(as("call", expr, expr_list(")")), true); + } + return expr; + }; + + function maybe_unary(allow_calls) { + if (is("operator") && HOP(UNARY_PREFIX, S.token.value)) { + return make_unary("unary-prefix", + prog1(S.token.value, next), + maybe_unary(allow_calls)); + } + var val = expr_atom(allow_calls); + while (is("operator") && HOP(UNARY_POSTFIX, S.token.value) && !S.token.nlb) { + val = make_unary("unary-postfix", S.token.value, val); + next(); + } + return val; + }; + + function make_unary(tag, op, expr) { + if ((op == "++" || op == "--") && !is_assignable(expr)) + croak("Invalid use of " + op + " operator"); + return as(tag, op, expr); + }; + + function expr_op(left, min_prec, no_in) { + var op = is("operator") ? S.token.value : null; + if (op && op == "in" && no_in) op = null; + var prec = op != null ? PRECEDENCE[op] : null; + if (prec != null && prec > min_prec) { + next(); + var right = expr_op(maybe_unary(true), prec, no_in); + return expr_op(as("binary", op, left, right), min_prec, no_in); + } + return left; + }; + + function expr_ops(no_in) { + return expr_op(maybe_unary(true), 0, no_in); + }; + + function maybe_conditional(no_in) { + var expr = expr_ops(no_in); + if (is("operator", "?")) { + next(); + var yes = expression(false); + expect(":"); + return as("conditional", expr, yes, expression(false, no_in)); + } + return expr; + }; + + function is_assignable(expr) { + if (!exigent_mode) return true; + switch (expr[0]) { + case "dot": + case "sub": + case "new": + case "call": + return true; + case "name": + return expr[1] != "this"; + } + }; + + function maybe_assign(no_in) { + var left = maybe_conditional(no_in), val = S.token.value; + if (is("operator") && HOP(ASSIGNMENT, val)) { + if (is_assignable(left)) { + next(); + return as("assign", ASSIGNMENT[val], left, maybe_assign(no_in)); + } + croak("Invalid assignment"); + } + return left; + }; + + var expression = maybe_embed_tokens(function(commas, no_in) { + if (arguments.length == 0) + commas = true; + var expr = maybe_assign(no_in); + if (commas && is("punc", ",")) { + next(); + return as("seq", expr, expression(true, no_in)); + } + return expr; + }); + + function in_loop(cont) { + try { + ++S.in_loop; + return cont(); + } finally { + --S.in_loop; + } + }; + + return as("toplevel", (function(a){ + while (!is("eof")) + a.push(statement()); + return a; + })([])); + +}; + +/* -----[ Utilities ]----- */ + +function curry(f) { + var args = slice(arguments, 1); + return function() { return f.apply(this, args.concat(slice(arguments))); }; +}; + +function prog1(ret) { + if (ret instanceof Function) + ret = ret(); + for (var i = 1, n = arguments.length; --n > 0; ++i) + arguments[i](); + return ret; +}; + +function array_to_hash(a) { + var ret = {}; + for (var i = 0; i < a.length; ++i) + ret[a[i]] = true; + return ret; +}; + +function slice(a, start) { + return Array.prototype.slice.call(a, start == null ? 0 : start); +}; + +function characters(str) { + return str.split(""); +}; + +function member(name, array) { + for (var i = array.length; --i >= 0;) + if (array[i] === name) + return true; + return false; +}; + +function HOP(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +}; + +var warn = function() {}; + +/* -----[ Exports ]----- */ + +exports.tokenizer = tokenizer; +exports.parse = parse; +exports.slice = slice; +exports.curry = curry; +exports.member = member; +exports.array_to_hash = array_to_hash; +exports.PRECEDENCE = PRECEDENCE; +exports.KEYWORDS_ATOM = KEYWORDS_ATOM; +exports.RESERVED_WORDS = RESERVED_WORDS; +exports.KEYWORDS = KEYWORDS; +exports.ATOMIC_START_TOKEN = ATOMIC_START_TOKEN; +exports.OPERATORS = OPERATORS; +exports.is_alphanumeric_char = is_alphanumeric_char; +exports.set_logger = function(logger) { + warn = logger; +}; + + +}); +define('uglifyjs/squeeze-more', ["require", "exports", "module", "./parse-js", "./process"], function(require, exports, module) { + +var jsp = require("./parse-js"), + pro = require("./process"), + slice = jsp.slice, + member = jsp.member, + PRECEDENCE = jsp.PRECEDENCE, + OPERATORS = jsp.OPERATORS; + +function ast_squeeze_more(ast) { + var w = pro.ast_walker(), walk = w.walk; + return w.with_walkers({ + "call": function(expr, args) { + if (expr[0] == "dot" && expr[2] == "toString" && args.length == 0) { + // foo.toString() ==> foo+"" + return [ "binary", "+", expr[1], [ "string", "" ]]; + } + } + }, function() { + return walk(ast); + }); +}; + +exports.ast_squeeze_more = ast_squeeze_more; + +});define('uglifyjs/process', ["require", "exports", "module", "./parse-js", "./squeeze-more"], function(require, exports, module) { + +/*********************************************************************** + + A JavaScript tokenizer / parser / beautifier / compressor. + + This version is suitable for Node.js. With minimal changes (the + exports stuff) it should work on any JS platform. + + This file implements some AST processors. They work on data built + by parse-js. + + Exported functions: + + - ast_mangle(ast, options) -- mangles the variable/function names + in the AST. Returns an AST. + + - ast_squeeze(ast) -- employs various optimizations to make the + final generated code even smaller. Returns an AST. + + - gen_code(ast, options) -- generates JS code from the AST. Pass + true (or an object, see the code for some options) as second + argument to get "pretty" (indented) code. + + -------------------------------- (C) --------------------------------- + + Author: Mihai Bazon + + http://mihai.bazon.net/blog + + Distributed under the BSD license: + + Copyright 2010 (c) Mihai Bazon + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above + copyright notice, this list of conditions and the following + disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials + provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. + + ***********************************************************************/ + +var jsp = require("./parse-js"), + slice = jsp.slice, + member = jsp.member, + PRECEDENCE = jsp.PRECEDENCE, + OPERATORS = jsp.OPERATORS; + +/* -----[ helper for AST traversal ]----- */ + +function ast_walker(ast) { + function _vardefs(defs) { + return [ this[0], MAP(defs, function(def){ + var a = [ def[0] ]; + if (def.length > 1) + a[1] = walk(def[1]); + return a; + }) ]; + }; + function _block(statements) { + var out = [ this[0] ]; + if (statements != null) + out.push(MAP(statements, walk)); + return out; + }; + var walkers = { + "string": function(str) { + return [ this[0], str ]; + }, + "num": function(num) { + return [ this[0], num ]; + }, + "name": function(name) { + return [ this[0], name ]; + }, + "toplevel": function(statements) { + return [ this[0], MAP(statements, walk) ]; + }, + "block": _block, + "splice": _block, + "var": _vardefs, + "const": _vardefs, + "try": function(t, c, f) { + return [ + this[0], + MAP(t, walk), + c != null ? [ c[0], MAP(c[1], walk) ] : null, + f != null ? MAP(f, walk) : null + ]; + }, + "throw": function(expr) { + return [ this[0], walk(expr) ]; + }, + "new": function(ctor, args) { + return [ this[0], walk(ctor), MAP(args, walk) ]; + }, + "switch": function(expr, body) { + return [ this[0], walk(expr), MAP(body, function(branch){ + return [ branch[0] ? walk(branch[0]) : null, + MAP(branch[1], walk) ]; + }) ]; + }, + "break": function(label) { + return [ this[0], label ]; + }, + "continue": function(label) { + return [ this[0], label ]; + }, + "conditional": function(cond, t, e) { + return [ this[0], walk(cond), walk(t), walk(e) ]; + }, + "assign": function(op, lvalue, rvalue) { + return [ this[0], op, walk(lvalue), walk(rvalue) ]; + }, + "dot": function(expr) { + return [ this[0], walk(expr) ].concat(slice(arguments, 1)); + }, + "call": function(expr, args) { + return [ this[0], walk(expr), MAP(args, walk) ]; + }, + "function": function(name, args, body) { + return [ this[0], name, args.slice(), MAP(body, walk) ]; + }, + "defun": function(name, args, body) { + return [ this[0], name, args.slice(), MAP(body, walk) ]; + }, + "if": function(conditional, t, e) { + return [ this[0], walk(conditional), walk(t), walk(e) ]; + }, + "for": function(init, cond, step, block) { + return [ this[0], walk(init), walk(cond), walk(step), walk(block) ]; + }, + "for-in": function(vvar, key, hash, block) { + return [ this[0], walk(vvar), walk(key), walk(hash), walk(block) ]; + }, + "while": function(cond, block) { + return [ this[0], walk(cond), walk(block) ]; + }, + "do": function(cond, block) { + return [ this[0], walk(cond), walk(block) ]; + }, + "return": function(expr) { + return [ this[0], walk(expr) ]; + }, + "binary": function(op, left, right) { + return [ this[0], op, walk(left), walk(right) ]; + }, + "unary-prefix": function(op, expr) { + return [ this[0], op, walk(expr) ]; + }, + "unary-postfix": function(op, expr) { + return [ this[0], op, walk(expr) ]; + }, + "sub": function(expr, subscript) { + return [ this[0], walk(expr), walk(subscript) ]; + }, + "object": function(props) { + return [ this[0], MAP(props, function(p){ + return p.length == 2 + ? [ p[0], walk(p[1]) ] + : [ p[0], walk(p[1]), p[2] ]; // get/set-ter + }) ]; + }, + "regexp": function(rx, mods) { + return [ this[0], rx, mods ]; + }, + "array": function(elements) { + return [ this[0], MAP(elements, walk) ]; + }, + "stat": function(stat) { + return [ this[0], walk(stat) ]; + }, + "seq": function() { + return [ this[0] ].concat(MAP(slice(arguments), walk)); + }, + "label": function(name, block) { + return [ this[0], name, walk(block) ]; + }, + "with": function(expr, block) { + return [ this[0], walk(expr), walk(block) ]; + }, + "atom": function(name) { + return [ this[0], name ]; + } + }; + + var user = {}; + var stack = []; + function walk(ast) { + if (ast == null) + return null; + try { + stack.push(ast); + var type = ast[0]; + var gen = user[type]; + if (gen) { + var ret = gen.apply(ast, ast.slice(1)); + if (ret != null) + return ret; + } + gen = walkers[type]; + return gen.apply(ast, ast.slice(1)); + } finally { + stack.pop(); + } + }; + + function with_walkers(walkers, cont){ + var save = {}, i; + for (i in walkers) if (HOP(walkers, i)) { + save[i] = user[i]; + user[i] = walkers[i]; + } + var ret = cont(); + for (i in save) if (HOP(save, i)) { + if (!save[i]) delete user[i]; + else user[i] = save[i]; + } + return ret; + }; + + return { + walk: walk, + with_walkers: with_walkers, + parent: function() { + return stack[stack.length - 2]; // last one is current node + }, + stack: function() { + return stack; + } + }; +}; + +/* -----[ Scope and mangling ]----- */ + +function Scope(parent) { + this.names = {}; // names defined in this scope + this.mangled = {}; // mangled names (orig.name => mangled) + this.rev_mangled = {}; // reverse lookup (mangled => orig.name) + this.cname = -1; // current mangled name + this.refs = {}; // names referenced from this scope + this.uses_with = false; // will become TRUE if with() is detected in this or any subscopes + this.uses_eval = false; // will become TRUE if eval() is detected in this or any subscopes + this.parent = parent; // parent scope + this.children = []; // sub-scopes + if (parent) { + this.level = parent.level + 1; + parent.children.push(this); + } else { + this.level = 0; + } +}; + +var base54 = (function(){ + var DIGITS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_"; + return function(num) { + var ret = ""; + do { + ret = DIGITS.charAt(num % 54) + ret; + num = Math.floor(num / 54); + } while (num > 0); + return ret; + }; +})(); + +Scope.prototype = { + has: function(name) { + for (var s = this; s; s = s.parent) + if (HOP(s.names, name)) + return s; + }, + has_mangled: function(mname) { + for (var s = this; s; s = s.parent) + if (HOP(s.rev_mangled, mname)) + return s; + }, + toJSON: function() { + return { + names: this.names, + uses_eval: this.uses_eval, + uses_with: this.uses_with + }; + }, + + next_mangled: function() { + // we must be careful that the new mangled name: + // + // 1. doesn't shadow a mangled name from a parent + // scope, unless we don't reference the original + // name from this scope OR from any sub-scopes! + // This will get slow. + // + // 2. doesn't shadow an original name from a parent + // scope, in the event that the name is not mangled + // in the parent scope and we reference that name + // here OR IN ANY SUBSCOPES! + // + // 3. doesn't shadow a name that is referenced but not + // defined (possibly global defined elsewhere). + for (;;) { + var m = base54(++this.cname), prior; + + // case 1. + prior = this.has_mangled(m); + if (prior && this.refs[prior.rev_mangled[m]] === prior) + continue; + + // case 2. + prior = this.has(m); + if (prior && prior !== this && this.refs[m] === prior && !prior.has_mangled(m)) + continue; + + // case 3. + if (HOP(this.refs, m) && this.refs[m] == null) + continue; + + // I got "do" once. :-/ + if (!is_identifier(m)) + continue; + + return m; + } + }, + set_mangle: function(name, m) { + this.rev_mangled[m] = name; + return this.mangled[name] = m; + }, + get_mangled: function(name, newMangle) { + if (this.uses_eval || this.uses_with) return name; // no mangle if eval or with is in use + var s = this.has(name); + if (!s) return name; // not in visible scope, no mangle + if (HOP(s.mangled, name)) return s.mangled[name]; // already mangled in this scope + if (!newMangle) return name; // not found and no mangling requested + return s.set_mangle(name, s.next_mangled()); + }, + define: function(name) { + if (name != null) + return this.names[name] = name; + } +}; + +function ast_add_scope(ast) { + + var current_scope = null; + var w = ast_walker(), walk = w.walk; + var having_eval = []; + + function with_new_scope(cont) { + current_scope = new Scope(current_scope); + var ret = current_scope.body = cont(); + ret.scope = current_scope; + current_scope = current_scope.parent; + return ret; + }; + + function define(name) { + return current_scope.define(name); + }; + + function reference(name) { + current_scope.refs[name] = true; + }; + + function _lambda(name, args, body) { + var is_defun = this[0] == "defun"; + return [ this[0], is_defun ? define(name) : name, args, with_new_scope(function(){ + if (!is_defun) define(name); + MAP(args, define); + return MAP(body, walk); + })]; + }; + + return with_new_scope(function(){ + // process AST + var ret = w.with_walkers({ + "function": _lambda, + "defun": _lambda, + "with": function(expr, block) { + for (var s = current_scope; s; s = s.parent) + s.uses_with = true; + }, + "var": function(defs) { + MAP(defs, function(d){ define(d[0]) }); + }, + "const": function(defs) { + MAP(defs, function(d){ define(d[0]) }); + }, + "try": function(t, c, f) { + if (c != null) return [ + this[0], + MAP(t, walk), + [ define(c[0]), MAP(c[1], walk) ], + f != null ? MAP(f, walk) : null + ]; + }, + "name": function(name) { + if (name == "eval") + having_eval.push(current_scope); + reference(name); + } + }, function(){ + return walk(ast); + }); + + // the reason why we need an additional pass here is + // that names can be used prior to their definition. + + // scopes where eval was detected and their parents + // are marked with uses_eval, unless they define the + // "eval" name. + MAP(having_eval, function(scope){ + if (!scope.has("eval")) while (scope) { + scope.uses_eval = true; + scope = scope.parent; + } + }); + + // for referenced names it might be useful to know + // their origin scope. current_scope here is the + // toplevel one. + function fixrefs(scope, i) { + // do children first; order shouldn't matter + for (i = scope.children.length; --i >= 0;) + fixrefs(scope.children[i]); + for (i in scope.refs) if (HOP(scope.refs, i)) { + // find origin scope and propagate the reference to origin + for (var origin = scope.has(i), s = scope; s; s = s.parent) { + s.refs[i] = origin; + if (s === origin) break; + } + } + }; + fixrefs(current_scope); + + return ret; + }); + +}; + +/* -----[ mangle names ]----- */ + +function ast_mangle(ast, options) { + var w = ast_walker(), walk = w.walk, scope; + options = options || {}; + + function get_mangled(name, newMangle) { + if (!options.toplevel && !scope.parent) return name; // don't mangle toplevel + if (options.except && member(name, options.except)) + return name; + return scope.get_mangled(name, newMangle); + }; + + function get_define(name) { + if (options.defines) { + // we always lookup a defined symbol for the current scope FIRST, so declared + // vars trump a DEFINE symbol, but if no such var is found, then match a DEFINE value + if (!scope.has(name)) { + if (HOP(options.defines, name)) { + return options.defines[name]; + } + } + return null; + } + }; + + function _lambda(name, args, body) { + var is_defun = this[0] == "defun", extra; + if (name) { + if (is_defun) name = get_mangled(name); + else { + extra = {}; + if (!(scope.uses_eval || scope.uses_with)) + name = extra[name] = scope.next_mangled(); + else + extra[name] = name; + } + } + body = with_scope(body.scope, function(){ + args = MAP(args, function(name){ return get_mangled(name) }); + return MAP(body, walk); + }, extra); + return [ this[0], name, args, body ]; + }; + + function with_scope(s, cont, extra) { + var _scope = scope; + scope = s; + if (extra) for (var i in extra) if (HOP(extra, i)) { + s.set_mangle(i, extra[i]); + } + for (var i in s.names) if (HOP(s.names, i)) { + get_mangled(i, true); + } + var ret = cont(); + ret.scope = s; + scope = _scope; + return ret; + }; + + function _vardefs(defs) { + return [ this[0], MAP(defs, function(d){ + return [ get_mangled(d[0]), walk(d[1]) ]; + }) ]; + }; + + return w.with_walkers({ + "function": _lambda, + "defun": function() { + // move function declarations to the top when + // they are not in some block. + var ast = _lambda.apply(this, arguments); + switch (w.parent()[0]) { + case "toplevel": + case "function": + case "defun": + return MAP.at_top(ast); + } + return ast; + }, + "var": _vardefs, + "const": _vardefs, + "name": function(name) { + return get_define(name) || [ this[0], get_mangled(name) ]; + }, + "try": function(t, c, f) { + return [ this[0], + MAP(t, walk), + c != null ? [ get_mangled(c[0]), MAP(c[1], walk) ] : null, + f != null ? MAP(f, walk) : null ]; + }, + "toplevel": function(body) { + var self = this; + return with_scope(self.scope, function(){ + return [ self[0], MAP(body, walk) ]; + }); + } + }, function() { + return walk(ast_add_scope(ast)); + }); +}; + +/* -----[ + - compress foo["bar"] into foo.bar, + - remove block brackets {} where possible + - join consecutive var declarations + - various optimizations for IFs: + - if (cond) foo(); else bar(); ==> cond?foo():bar(); + - if (cond) foo(); ==> cond&&foo(); + - if (foo) return bar(); else return baz(); ==> return foo?bar():baz(); // also for throw + - if (foo) return bar(); else something(); ==> {if(foo)return bar();something()} + ]----- */ + +var warn = function(){}; + +function best_of(ast1, ast2) { + return gen_code(ast1).length > gen_code(ast2[0] == "stat" ? ast2[1] : ast2).length ? ast2 : ast1; +}; + +function last_stat(b) { + if (b[0] == "block" && b[1] && b[1].length > 0) + return b[1][b[1].length - 1]; + return b; +} + +function aborts(t) { + if (t) { + t = last_stat(t); + if (t[0] == "return" || t[0] == "break" || t[0] == "continue" || t[0] == "throw") + return true; + } +}; + +function boolean_expr(expr) { + return ( (expr[0] == "unary-prefix" + && member(expr[1], [ "!", "delete" ])) || + + (expr[0] == "binary" + && member(expr[1], [ "in", "instanceof", "==", "!=", "===", "!==", "<", "<=", ">=", ">" ])) || + + (expr[0] == "binary" + && member(expr[1], [ "&&", "||" ]) + && boolean_expr(expr[2]) + && boolean_expr(expr[3])) || + + (expr[0] == "conditional" + && boolean_expr(expr[2]) + && boolean_expr(expr[3])) || + + (expr[0] == "assign" + && expr[1] === true + && boolean_expr(expr[3])) || + + (expr[0] == "seq" + && boolean_expr(expr[expr.length - 1])) + ); +}; + +function make_conditional(c, t, e) { + var make_real_conditional = function() { + if (c[0] == "unary-prefix" && c[1] == "!") { + return e ? [ "conditional", c[2], e, t ] : [ "binary", "||", c[2], t ]; + } else { + return e ? [ "conditional", c, t, e ] : [ "binary", "&&", c, t ]; + } + }; + // shortcut the conditional if the expression has a constant value + return when_constant(c, function(ast, val){ + warn_unreachable(val ? e : t); + return (val ? t : e); + }, make_real_conditional); +}; + +function empty(b) { + return !b || (b[0] == "block" && (!b[1] || b[1].length == 0)); +}; + +function is_string(node) { + return (node[0] == "string" || + node[0] == "unary-prefix" && node[1] == "typeof" || + node[0] == "binary" && node[1] == "+" && + (is_string(node[2]) || is_string(node[3]))); +}; + +var when_constant = (function(){ + + var $NOT_CONSTANT = {}; + + // this can only evaluate constant expressions. If it finds anything + // not constant, it throws $NOT_CONSTANT. + function evaluate(expr) { + switch (expr[0]) { + case "string": + case "num": + return expr[1]; + case "name": + case "atom": + switch (expr[1]) { + case "true": return true; + case "false": return false; + } + break; + case "unary-prefix": + switch (expr[1]) { + case "!": return !evaluate(expr[2]); + case "typeof": return typeof evaluate(expr[2]); + case "~": return ~evaluate(expr[2]); + case "-": return -evaluate(expr[2]); + case "+": return +evaluate(expr[2]); + } + break; + case "binary": + var left = expr[2], right = expr[3]; + switch (expr[1]) { + case "&&" : return evaluate(left) && evaluate(right); + case "||" : return evaluate(left) || evaluate(right); + case "|" : return evaluate(left) | evaluate(right); + case "&" : return evaluate(left) & evaluate(right); + case "^" : return evaluate(left) ^ evaluate(right); + case "+" : return evaluate(left) + evaluate(right); + case "*" : return evaluate(left) * evaluate(right); + case "/" : return evaluate(left) / evaluate(right); + case "-" : return evaluate(left) - evaluate(right); + case "<<" : return evaluate(left) << evaluate(right); + case ">>" : return evaluate(left) >> evaluate(right); + case ">>>" : return evaluate(left) >>> evaluate(right); + case "==" : return evaluate(left) == evaluate(right); + case "===" : return evaluate(left) === evaluate(right); + case "!=" : return evaluate(left) != evaluate(right); + case "!==" : return evaluate(left) !== evaluate(right); + case "<" : return evaluate(left) < evaluate(right); + case "<=" : return evaluate(left) <= evaluate(right); + case ">" : return evaluate(left) > evaluate(right); + case ">=" : return evaluate(left) >= evaluate(right); + case "in" : return evaluate(left) in evaluate(right); + case "instanceof" : return evaluate(left) instanceof evaluate(right); + } + } + throw $NOT_CONSTANT; + }; + + return function(expr, yes, no) { + try { + var val = evaluate(expr), ast; + switch (typeof val) { + case "string": ast = [ "string", val ]; break; + case "number": ast = [ "num", val ]; break; + case "boolean": ast = [ "name", String(val) ]; break; + default: throw new Error("Can't handle constant of type: " + (typeof val)); + } + return yes.call(expr, ast, val); + } catch(ex) { + if (ex === $NOT_CONSTANT) { + if (expr[0] == "binary" + && (expr[1] == "===" || expr[1] == "!==") + && ((is_string(expr[2]) && is_string(expr[3])) + || (boolean_expr(expr[2]) && boolean_expr(expr[3])))) { + expr[1] = expr[1].substr(0, 2); + } + else if (no && expr[0] == "binary" + && (expr[1] == "||" || expr[1] == "&&")) { + // the whole expression is not constant but the lval may be... + try { + var lval = evaluate(expr[2]); + expr = ((expr[1] == "&&" && (lval ? expr[3] : lval)) || + (expr[1] == "||" && (lval ? lval : expr[3])) || + expr); + } catch(ex2) { + // IGNORE... lval is not constant + } + } + return no ? no.call(expr, expr) : null; + } + else throw ex; + } + }; + +})(); + +function warn_unreachable(ast) { + if (!empty(ast)) + warn("Dropping unreachable code: " + gen_code(ast, true)); +}; + +function prepare_ifs(ast) { + var w = ast_walker(), walk = w.walk; + // In this first pass, we rewrite ifs which abort with no else with an + // if-else. For example: + // + // if (x) { + // blah(); + // return y; + // } + // foobar(); + // + // is rewritten into: + // + // if (x) { + // blah(); + // return y; + // } else { + // foobar(); + // } + function redo_if(statements) { + statements = MAP(statements, walk); + + for (var i = 0; i < statements.length; ++i) { + var fi = statements[i]; + if (fi[0] != "if") continue; + + if (fi[3] && walk(fi[3])) continue; + + var t = walk(fi[2]); + if (!aborts(t)) continue; + + var conditional = walk(fi[1]); + + var e_body = statements.slice(i + 1); + var e; + if (e_body.length == 1) e = e_body[0]; + else e = [ "block", e_body ]; + + var ret = statements.slice(0, i).concat([ [ + fi[0], // "if" + conditional, // conditional + t, // then + e // else + ] ]); + + return redo_if(ret); + } + + return statements; + }; + + function redo_if_lambda(name, args, body) { + body = redo_if(body); + return [ this[0], name, args.slice(), body ]; + }; + + function redo_if_block(statements) { + var out = [ this[0] ]; + if (statements != null) + out.push(redo_if(statements)); + return out; + }; + + return w.with_walkers({ + "defun": redo_if_lambda, + "function": redo_if_lambda, + "block": redo_if_block, + "splice": redo_if_block, + "toplevel": function(statements) { + return [ this[0], redo_if(statements) ]; + }, + "try": function(t, c, f) { + return [ + this[0], + redo_if(t), + c != null ? [ c[0], redo_if(c[1]) ] : null, + f != null ? redo_if(f) : null + ]; + } + }, function() { + return walk(ast); + }); +}; + +function ast_squeeze(ast, options) { + options = defaults(options, { + make_seqs : true, + dead_code : true, + keep_comps : true, + no_warnings : false + }); + + var w = ast_walker(), walk = w.walk, scope; + + function negate(c) { + var not_c = [ "unary-prefix", "!", c ]; + switch (c[0]) { + case "unary-prefix": + return c[1] == "!" && boolean_expr(c[2]) ? c[2] : not_c; + case "seq": + c = slice(c); + c[c.length - 1] = negate(c[c.length - 1]); + return c; + case "conditional": + return best_of(not_c, [ "conditional", c[1], negate(c[2]), negate(c[3]) ]); + case "binary": + var op = c[1], left = c[2], right = c[3]; + if (!options.keep_comps) switch (op) { + case "<=" : return [ "binary", ">", left, right ]; + case "<" : return [ "binary", ">=", left, right ]; + case ">=" : return [ "binary", "<", left, right ]; + case ">" : return [ "binary", "<=", left, right ]; + } + switch (op) { + case "==" : return [ "binary", "!=", left, right ]; + case "!=" : return [ "binary", "==", left, right ]; + case "===" : return [ "binary", "!==", left, right ]; + case "!==" : return [ "binary", "===", left, right ]; + case "&&" : return best_of(not_c, [ "binary", "||", negate(left), negate(right) ]); + case "||" : return best_of(not_c, [ "binary", "&&", negate(left), negate(right) ]); + } + break; + } + return not_c; + }; + + function with_scope(s, cont) { + var _scope = scope; + scope = s; + var ret = cont(); + ret.scope = s; + scope = _scope; + return ret; + }; + + function rmblock(block) { + if (block != null && block[0] == "block" && block[1]) { + if (block[1].length == 1) + block = block[1][0]; + else if (block[1].length == 0) + block = [ "block" ]; + } + return block; + }; + + function _lambda(name, args, body) { + var is_defun = this[0] == "defun"; + body = with_scope(body.scope, function(){ + var ret = tighten(MAP(body, walk), "lambda"); + if (!is_defun && name && !HOP(scope.refs, name)) + name = null; + return ret; + }); + return [ this[0], name, args, body ]; + }; + + // we get here for blocks that have been already transformed. + // this function does a few things: + // 1. discard useless blocks + // 2. join consecutive var declarations + // 3. remove obviously dead code + // 4. transform consecutive statements using the comma operator + // 5. if block_type == "lambda" and it detects constructs like if(foo) return ... - rewrite like if (!foo) { ... } + function tighten(statements, block_type) { + statements = statements.reduce(function(a, stat){ + if (stat[0] == "block") { + if (stat[1]) { + a.push.apply(a, stat[1]); + } + } else { + a.push(stat); + } + return a; + }, []); + + statements = (function(a, prev){ + statements.forEach(function(cur){ + if (prev && ((cur[0] == "var" && prev[0] == "var") || + (cur[0] == "const" && prev[0] == "const"))) { + prev[1] = prev[1].concat(cur[1]); + } else { + a.push(cur); + prev = cur; + } + }); + return a; + })([]); + + if (options.dead_code) statements = (function(a, has_quit){ + statements.forEach(function(st){ + if (has_quit) { + if (member(st[0], [ "function", "defun" , "var", "const" ])) { + a.push(st); + } + else if (!options.no_warnings) + warn_unreachable(st); + } + else { + a.push(st); + if (member(st[0], [ "return", "throw", "break", "continue" ])) + has_quit = true; + } + }); + return a; + })([]); + + if (options.make_seqs) statements = (function(a, prev) { + statements.forEach(function(cur){ + if (prev && prev[0] == "stat" && cur[0] == "stat") { + prev[1] = [ "seq", prev[1], cur[1] ]; + } else { + a.push(cur); + prev = cur; + } + }); + return a; + })([]); + + if (block_type == "lambda") statements = (function(i, a, stat){ + while (i < statements.length) { + stat = statements[i++]; + if (stat[0] == "if" && !stat[3]) { + if (stat[2][0] == "return" && stat[2][1] == null) { + a.push(make_if(negate(stat[1]), [ "block", statements.slice(i) ])); + break; + } + var last = last_stat(stat[2]); + if (last[0] == "return" && last[1] == null) { + a.push(make_if(stat[1], [ "block", stat[2][1].slice(0, -1) ], [ "block", statements.slice(i) ])); + break; + } + } + a.push(stat); + } + return a; + })(0, []); + + return statements; + }; + + function make_if(c, t, e) { + return when_constant(c, function(ast, val){ + if (val) { + warn_unreachable(e); + return t; + } else { + warn_unreachable(t); + return e; + } + }, function() { + return make_real_if(c, t, e); + }); + }; + + function make_real_if(c, t, e) { + c = walk(c); + t = walk(t); + e = walk(e); + + if (empty(t)) { + c = negate(c); + t = e; + e = null; + } else if (empty(e)) { + e = null; + } else { + // if we have both else and then, maybe it makes sense to switch them? + (function(){ + var a = gen_code(c); + var n = negate(c); + var b = gen_code(n); + if (b.length < a.length) { + var tmp = t; + t = e; + e = tmp; + c = n; + } + })(); + } + if (empty(e) && empty(t)) + return [ "stat", c ]; + var ret = [ "if", c, t, e ]; + if (t[0] == "if" && empty(t[3]) && empty(e)) { + ret = best_of(ret, walk([ "if", [ "binary", "&&", c, t[1] ], t[2] ])); + } + else if (t[0] == "stat") { + if (e) { + if (e[0] == "stat") { + ret = best_of(ret, [ "stat", make_conditional(c, t[1], e[1]) ]); + } + } + else { + ret = best_of(ret, [ "stat", make_conditional(c, t[1]) ]); + } + } + else if (e && t[0] == e[0] && (t[0] == "return" || t[0] == "throw") && t[1] && e[1]) { + ret = best_of(ret, [ t[0], make_conditional(c, t[1], e[1] ) ]); + } + else if (e && aborts(t)) { + ret = [ [ "if", c, t ] ]; + if (e[0] == "block") { + if (e[1]) ret = ret.concat(e[1]); + } + else { + ret.push(e); + } + ret = walk([ "block", ret ]); + } + else if (t && aborts(e)) { + ret = [ [ "if", negate(c), e ] ]; + if (t[0] == "block") { + if (t[1]) ret = ret.concat(t[1]); + } else { + ret.push(t); + } + ret = walk([ "block", ret ]); + } + return ret; + }; + + function _do_while(cond, body) { + return when_constant(cond, function(cond, val){ + if (!val) { + warn_unreachable(body); + return [ "block" ]; + } else { + return [ "for", null, null, null, walk(body) ]; + } + }); + }; + + ast = prepare_ifs(ast); + ast = ast_add_scope(ast); + + return w.with_walkers({ + "sub": function(expr, subscript) { + if (subscript[0] == "string") { + var name = subscript[1]; + if (is_identifier(name)) + return [ "dot", walk(expr), name ]; + else if (/^[1-9][0-9]*$/.test(name) || name === "0") + return [ "sub", walk(expr), [ "num", parseInt(name, 10) ] ]; + } + }, + "if": make_if, + "toplevel": function(body) { + return [ "toplevel", with_scope(this.scope, function(){ + return tighten(MAP(body, walk)); + }) ]; + }, + "switch": function(expr, body) { + var last = body.length - 1; + return [ "switch", walk(expr), MAP(body, function(branch, i){ + var block = tighten(MAP(branch[1], walk)); + if (i == last && block.length > 0) { + var node = block[block.length - 1]; + if (node[0] == "break" && !node[1]) + block.pop(); + } + return [ branch[0] ? walk(branch[0]) : null, block ]; + }) ]; + }, + "function": _lambda, + "defun": _lambda, + "block": function(body) { + if (body) return rmblock([ "block", tighten(MAP(body, walk)) ]); + }, + "binary": function(op, left, right) { + return when_constant([ "binary", op, walk(left), walk(right) ], function yes(c){ + return best_of(walk(c), this); + }, function no() { + return this; + }); + }, + "conditional": function(c, t, e) { + return make_conditional(walk(c), walk(t), walk(e)); + }, + "try": function(t, c, f) { + return [ + "try", + tighten(MAP(t, walk)), + c != null ? [ c[0], tighten(MAP(c[1], walk)) ] : null, + f != null ? tighten(MAP(f, walk)) : null + ]; + }, + "unary-prefix": function(op, expr) { + expr = walk(expr); + var ret = [ "unary-prefix", op, expr ]; + if (op == "!") + ret = best_of(ret, negate(expr)); + return when_constant(ret, function(ast, val){ + return walk(ast); // it's either true or false, so minifies to !0 or !1 + }, function() { return ret }); + }, + "name": function(name) { + switch (name) { + case "true": return [ "unary-prefix", "!", [ "num", 0 ]]; + case "false": return [ "unary-prefix", "!", [ "num", 1 ]]; + } + }, + "new": function(ctor, args) { + if (ctor[0] == "name" && ctor[1] == "Array" && !scope.has("Array")) { + if (args.length != 1) { + return [ "array", args ]; + } else { + return [ "call", [ "name", "Array" ], args ]; + } + } + }, + "call": function(expr, args) { + if (expr[0] == "name" && expr[1] == "Array" && args.length != 1 && !scope.has("Array")) { + return [ "array", args ]; + } + }, + "while": _do_while + }, function() { + return walk(ast); + }); +}; + +/* -----[ re-generate code from the AST ]----- */ + +var DOT_CALL_NO_PARENS = jsp.array_to_hash([ + "name", + "array", + "object", + "string", + "dot", + "sub", + "call", + "regexp" +]); + +function make_string(str, ascii_only) { + var dq = 0, sq = 0; + str = str.replace(/[\\\b\f\n\r\t\x22\x27\u2028\u2029]/g, function(s){ + switch (s) { + case "\\": return "\\\\"; + case "\b": return "\\b"; + case "\f": return "\\f"; + case "\n": return "\\n"; + case "\r": return "\\r"; + case "\t": return "\\t"; + case "\u2028": return "\\u2028"; + case "\u2029": return "\\u2029"; + case '"': ++dq; return '"'; + case "'": ++sq; return "'"; + } + return s; + }); + if (ascii_only) str = to_ascii(str); + if (dq > sq) return "'" + str.replace(/\x27/g, "\\'") + "'"; + else return '"' + str.replace(/\x22/g, '\\"') + '"'; +}; + +function to_ascii(str) { + return str.replace(/[\u0080-\uffff]/g, function(ch) { + var code = ch.charCodeAt(0).toString(16); + while (code.length < 4) code = "0" + code; + return "\\u" + code; + }); +}; + +var SPLICE_NEEDS_BRACKETS = jsp.array_to_hash([ "if", "while", "do", "for", "for-in", "with" ]); + +function gen_code(ast, options) { + options = defaults(options, { + indent_start : 0, + indent_level : 4, + quote_keys : false, + space_colon : false, + beautify : false, + ascii_only : false, + inline_script: false + }); + var beautify = !!options.beautify; + var indentation = 0, + newline = beautify ? "\n" : "", + space = beautify ? " " : ""; + + function encode_string(str) { + var ret = make_string(str, options.ascii_only); + if (options.inline_script) + ret = ret.replace(/<\x2fscript([>/\t\n\f\r ])/gi, "<\\/script$1"); + return ret; + }; + + function make_name(name) { + name = name.toString(); + if (options.ascii_only) + name = to_ascii(name); + return name; + }; + + function indent(line) { + if (line == null) + line = ""; + if (beautify) + line = repeat_string(" ", options.indent_start + indentation * options.indent_level) + line; + return line; + }; + + function with_indent(cont, incr) { + if (incr == null) incr = 1; + indentation += incr; + try { return cont.apply(null, slice(arguments, 1)); } + finally { indentation -= incr; } + }; + + function add_spaces(a) { + if (beautify) + return a.join(" "); + var b = []; + for (var i = 0; i < a.length; ++i) { + var next = a[i + 1]; + b.push(a[i]); + if (next && + ((/[a-z0-9_\x24]$/i.test(a[i].toString()) && /^[a-z0-9_\x24]/i.test(next.toString())) || + (/[\+\-]$/.test(a[i].toString()) && /^[\+\-]/.test(next.toString())))) { + b.push(" "); + } + } + return b.join(""); + }; + + function add_commas(a) { + return a.join("," + space); + }; + + function parenthesize(expr) { + var gen = make(expr); + for (var i = 1; i < arguments.length; ++i) { + var el = arguments[i]; + if ((el instanceof Function && el(expr)) || expr[0] == el) + return "(" + gen + ")"; + } + return gen; + }; + + function best_of(a) { + if (a.length == 1) { + return a[0]; + } + if (a.length == 2) { + var b = a[1]; + a = a[0]; + return a.length <= b.length ? a : b; + } + return best_of([ a[0], best_of(a.slice(1)) ]); + }; + + function needs_parens(expr) { + if (expr[0] == "function" || expr[0] == "object") { + // dot/call on a literal function requires the + // function literal itself to be parenthesized + // only if it's the first "thing" in a + // statement. This means that the parent is + // "stat", but it could also be a "seq" and + // we're the first in this "seq" and the + // parent is "stat", and so on. Messy stuff, + // but it worths the trouble. + var a = slice($stack), self = a.pop(), p = a.pop(); + while (p) { + if (p[0] == "stat") return true; + if (((p[0] == "seq" || p[0] == "call" || p[0] == "dot" || p[0] == "sub" || p[0] == "conditional") && p[1] === self) || + ((p[0] == "binary" || p[0] == "assign" || p[0] == "unary-postfix") && p[2] === self)) { + self = p; + p = a.pop(); + } else { + return false; + } + } + } + return !HOP(DOT_CALL_NO_PARENS, expr[0]); + }; + + function make_num(num) { + var str = num.toString(10), a = [ str.replace(/^0\./, ".") ], m; + if (Math.floor(num) === num) { + a.push("0x" + num.toString(16).toLowerCase(), // probably pointless + "0" + num.toString(8)); // same. + if ((m = /^(.*?)(0+)$/.exec(num))) { + a.push(m[1] + "e" + m[2].length); + } + } else if ((m = /^0?\.(0+)(.*)$/.exec(num))) { + a.push(m[2] + "e-" + (m[1].length + m[2].length), + str.substr(str.indexOf("."))); + } + return best_of(a); + }; + + var generators = { + "string": encode_string, + "num": make_num, + "name": make_name, + "toplevel": function(statements) { + return make_block_statements(statements) + .join(newline + newline); + }, + "splice": function(statements) { + var parent = $stack[$stack.length - 2][0]; + if (HOP(SPLICE_NEEDS_BRACKETS, parent)) { + // we need block brackets in this case + return make_block.apply(this, arguments); + } else { + return MAP(make_block_statements(statements, true), + function(line, i) { + // the first line is already indented + return i > 0 ? indent(line) : line; + }).join(newline); + } + }, + "block": make_block, + "var": function(defs) { + return "var " + add_commas(MAP(defs, make_1vardef)) + ";"; + }, + "const": function(defs) { + return "const " + add_commas(MAP(defs, make_1vardef)) + ";"; + }, + "try": function(tr, ca, fi) { + var out = [ "try", make_block(tr) ]; + if (ca) out.push("catch", "(" + ca[0] + ")", make_block(ca[1])); + if (fi) out.push("finally", make_block(fi)); + return add_spaces(out); + }, + "throw": function(expr) { + return add_spaces([ "throw", make(expr) ]) + ";"; + }, + "new": function(ctor, args) { + args = args.length > 0 ? "(" + add_commas(MAP(args, make)) + ")" : ""; + return add_spaces([ "new", parenthesize(ctor, "seq", "binary", "conditional", "assign", function(expr){ + var w = ast_walker(), has_call = {}; + try { + w.with_walkers({ + "call": function() { throw has_call }, + "function": function() { return this } + }, function(){ + w.walk(expr); + }); + } catch(ex) { + if (ex === has_call) + return true; + throw ex; + } + }) + args ]); + }, + "switch": function(expr, body) { + return add_spaces([ "switch", "(" + make(expr) + ")", make_switch_block(body) ]); + }, + "break": function(label) { + var out = "break"; + if (label != null) + out += " " + make_name(label); + return out + ";"; + }, + "continue": function(label) { + var out = "continue"; + if (label != null) + out += " " + make_name(label); + return out + ";"; + }, + "conditional": function(co, th, el) { + return add_spaces([ parenthesize(co, "assign", "seq", "conditional"), "?", + parenthesize(th, "seq"), ":", + parenthesize(el, "seq") ]); + }, + "assign": function(op, lvalue, rvalue) { + if (op && op !== true) op += "="; + else op = "="; + return add_spaces([ make(lvalue), op, parenthesize(rvalue, "seq") ]); + }, + "dot": function(expr) { + var out = make(expr), i = 1; + if (expr[0] == "num") { + if (!/\./.test(expr[1])) + out += "."; + } else if (needs_parens(expr)) + out = "(" + out + ")"; + while (i < arguments.length) + out += "." + make_name(arguments[i++]); + return out; + }, + "call": function(func, args) { + var f = make(func); + if (needs_parens(func)) + f = "(" + f + ")"; + return f + "(" + add_commas(MAP(args, function(expr){ + return parenthesize(expr, "seq"); + })) + ")"; + }, + "function": make_function, + "defun": make_function, + "if": function(co, th, el) { + var out = [ "if", "(" + make(co) + ")", el ? make_then(th) : make(th) ]; + if (el) { + out.push("else", make(el)); + } + return add_spaces(out); + }, + "for": function(init, cond, step, block) { + var out = [ "for" ]; + init = (init != null ? make(init) : "").replace(/;*\s*$/, ";" + space); + cond = (cond != null ? make(cond) : "").replace(/;*\s*$/, ";" + space); + step = (step != null ? make(step) : "").replace(/;*\s*$/, ""); + var args = init + cond + step; + if (args == "; ; ") args = ";;"; + out.push("(" + args + ")", make(block)); + return add_spaces(out); + }, + "for-in": function(vvar, key, hash, block) { + return add_spaces([ "for", "(" + + (vvar ? make(vvar).replace(/;+$/, "") : make(key)), + "in", + make(hash) + ")", make(block) ]); + }, + "while": function(condition, block) { + return add_spaces([ "while", "(" + make(condition) + ")", make(block) ]); + }, + "do": function(condition, block) { + return add_spaces([ "do", make(block), "while", "(" + make(condition) + ")" ]) + ";"; + }, + "return": function(expr) { + var out = [ "return" ]; + if (expr != null) out.push(make(expr)); + return add_spaces(out) + ";"; + }, + "binary": function(operator, lvalue, rvalue) { + var left = make(lvalue), right = make(rvalue); + // XXX: I'm pretty sure other cases will bite here. + // we need to be smarter. + // adding parens all the time is the safest bet. + if (member(lvalue[0], [ "assign", "conditional", "seq" ]) || + lvalue[0] == "binary" && PRECEDENCE[operator] > PRECEDENCE[lvalue[1]]) { + left = "(" + left + ")"; + } + if (member(rvalue[0], [ "assign", "conditional", "seq" ]) || + rvalue[0] == "binary" && PRECEDENCE[operator] >= PRECEDENCE[rvalue[1]] && + !(rvalue[1] == operator && member(operator, [ "&&", "||", "*" ]))) { + right = "(" + right + ")"; + } + else if (!beautify && options.inline_script && (operator == "<" || operator == "<<") + && rvalue[0] == "regexp" && /^script/i.test(rvalue[1])) { + right = " " + right; + } + return add_spaces([ left, operator, right ]); + }, + "unary-prefix": function(operator, expr) { + var val = make(expr); + if (!(expr[0] == "num" || (expr[0] == "unary-prefix" && !HOP(OPERATORS, operator + expr[1])) || !needs_parens(expr))) + val = "(" + val + ")"; + return operator + (jsp.is_alphanumeric_char(operator.charAt(0)) ? " " : "") + val; + }, + "unary-postfix": function(operator, expr) { + var val = make(expr); + if (!(expr[0] == "num" || (expr[0] == "unary-postfix" && !HOP(OPERATORS, operator + expr[1])) || !needs_parens(expr))) + val = "(" + val + ")"; + return val + operator; + }, + "sub": function(expr, subscript) { + var hash = make(expr); + if (needs_parens(expr)) + hash = "(" + hash + ")"; + return hash + "[" + make(subscript) + "]"; + }, + "object": function(props) { + if (props.length == 0) + return "{}"; + return "{" + newline + with_indent(function(){ + return MAP(props, function(p){ + if (p.length == 3) { + // getter/setter. The name is in p[0], the arg.list in p[1][2], the + // body in p[1][3] and type ("get" / "set") in p[2]. + return indent(make_function(p[0], p[1][2], p[1][3], p[2])); + } + var key = p[0], val = make(p[1]); + if (options.quote_keys) { + key = encode_string(key); + } else if ((typeof key == "number" || !beautify && +key + "" == key) + && parseFloat(key) >= 0) { + key = make_num(+key); + } else if (!is_identifier(key)) { + key = encode_string(key); + } + return indent(add_spaces(beautify && options.space_colon + ? [ key, ":", val ] + : [ key + ":", val ])); + }).join("," + newline); + }) + newline + indent("}"); + }, + "regexp": function(rx, mods) { + return "/" + rx + "/" + mods; + }, + "array": function(elements) { + if (elements.length == 0) return "[]"; + return add_spaces([ "[", add_commas(MAP(elements, function(el){ + if (!beautify && el[0] == "atom" && el[1] == "undefined") return ""; + return parenthesize(el, "seq"); + })), "]" ]); + }, + "stat": function(stmt) { + return make(stmt).replace(/;*\s*$/, ";"); + }, + "seq": function() { + return add_commas(MAP(slice(arguments), make)); + }, + "label": function(name, block) { + return add_spaces([ make_name(name), ":", make(block) ]); + }, + "with": function(expr, block) { + return add_spaces([ "with", "(" + make(expr) + ")", make(block) ]); + }, + "atom": function(name) { + return make_name(name); + } + }; + + // The squeezer replaces "block"-s that contain only a single + // statement with the statement itself; technically, the AST + // is correct, but this can create problems when we output an + // IF having an ELSE clause where the THEN clause ends in an + // IF *without* an ELSE block (then the outer ELSE would refer + // to the inner IF). This function checks for this case and + // adds the block brackets if needed. + function make_then(th) { + if (th[0] == "do") { + // https://github.com/mishoo/UglifyJS/issues/#issue/57 + // IE croaks with "syntax error" on code like this: + // if (foo) do ... while(cond); else ... + // we need block brackets around do/while + return make([ "block", [ th ]]); + } + var b = th; + while (true) { + var type = b[0]; + if (type == "if") { + if (!b[3]) + // no else, we must add the block + return make([ "block", [ th ]]); + b = b[3]; + } + else if (type == "while" || type == "do") b = b[2]; + else if (type == "for" || type == "for-in") b = b[4]; + else break; + } + return make(th); + }; + + function make_function(name, args, body, keyword) { + var out = keyword || "function"; + if (name) { + out += " " + make_name(name); + } + out += "(" + add_commas(MAP(args, make_name)) + ")"; + return add_spaces([ out, make_block(body) ]); + }; + + function make_block_statements(statements, noindent) { + for (var a = [], last = statements.length - 1, i = 0; i <= last; ++i) { + var stat = statements[i]; + var code = make(stat); + if (code != ";") { + if (!beautify && i == last) { + if ((stat[0] == "while" && empty(stat[2])) || + (member(stat[0], [ "for", "for-in"] ) && empty(stat[4])) || + (stat[0] == "if" && empty(stat[2]) && !stat[3]) || + (stat[0] == "if" && stat[3] && empty(stat[3]))) { + code = code.replace(/;*\s*$/, ";"); + } else { + code = code.replace(/;+\s*$/, ""); + } + } + a.push(code); + } + } + return noindent ? a : MAP(a, indent); + }; + + function make_switch_block(body) { + var n = body.length; + if (n == 0) return "{}"; + return "{" + newline + MAP(body, function(branch, i){ + var has_body = branch[1].length > 0, code = with_indent(function(){ + return indent(branch[0] + ? add_spaces([ "case", make(branch[0]) + ":" ]) + : "default:"); + }, 0.5) + (has_body ? newline + with_indent(function(){ + return make_block_statements(branch[1]).join(newline); + }) : ""); + if (!beautify && has_body && i < n - 1) + code += ";"; + return code; + }).join(newline) + newline + indent("}"); + }; + + function make_block(statements) { + if (!statements) return ";"; + if (statements.length == 0) return "{}"; + return "{" + newline + with_indent(function(){ + return make_block_statements(statements).join(newline); + }) + newline + indent("}"); + }; + + function make_1vardef(def) { + var name = def[0], val = def[1]; + if (val != null) + name = add_spaces([ make_name(name), "=", parenthesize(val, "seq") ]); + return name; + }; + + var $stack = []; + + function make(node) { + var type = node[0]; + var gen = generators[type]; + if (!gen) + throw new Error("Can't find generator for \"" + type + "\""); + $stack.push(node); + var ret = gen.apply(type, node.slice(1)); + $stack.pop(); + return ret; + }; + + return make(ast); +}; + +function split_lines(code, max_line_length) { + var splits = [ 0 ]; + jsp.parse(function(){ + var next_token = jsp.tokenizer(code); + var last_split = 0; + var prev_token; + function current_length(tok) { + return tok.pos - last_split; + }; + function split_here(tok) { + last_split = tok.pos; + splits.push(last_split); + }; + function custom(){ + var tok = next_token.apply(this, arguments); + out: { + if (prev_token) { + if (prev_token.type == "keyword") break out; + } + if (current_length(tok) > max_line_length) { + switch (tok.type) { + case "keyword": + case "atom": + case "name": + case "punc": + split_here(tok); + break out; + } + } + } + prev_token = tok; + return tok; + }; + custom.context = function() { + return next_token.context.apply(this, arguments); + }; + return custom; + }()); + return splits.map(function(pos, i){ + return code.substring(pos, splits[i + 1] || code.length); + }).join("\n"); +}; + +/* -----[ Utilities ]----- */ + +function repeat_string(str, i) { + if (i <= 0) return ""; + if (i == 1) return str; + var d = repeat_string(str, i >> 1); + d += d; + if (i & 1) d += str; + return d; +}; + +function defaults(args, defs) { + var ret = {}; + if (args === true) + args = {}; + for (var i in defs) if (HOP(defs, i)) { + ret[i] = (args && HOP(args, i)) ? args[i] : defs[i]; + } + return ret; +}; + +function is_identifier(name) { + return /^[a-z_$][a-z0-9_$]*$/i.test(name) + && name != "this" + && !HOP(jsp.KEYWORDS_ATOM, name) + && !HOP(jsp.RESERVED_WORDS, name) + && !HOP(jsp.KEYWORDS, name); +}; + +function HOP(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +}; + +// some utilities + +var MAP; + +(function(){ + MAP = function(a, f, o) { + var ret = []; + for (var i = 0; i < a.length; ++i) { + var val = f.call(o, a[i], i); + if (val instanceof AtTop) ret.unshift(val.v); + else ret.push(val); + } + return ret; + }; + MAP.at_top = function(val) { return new AtTop(val) }; + function AtTop(val) { this.v = val }; +})(); + +/* -----[ Exports ]----- */ + +exports.ast_walker = ast_walker; +exports.ast_mangle = ast_mangle; +exports.ast_squeeze = ast_squeeze; +exports.gen_code = gen_code; +exports.ast_add_scope = ast_add_scope; +exports.set_logger = function(logger) { warn = logger }; +exports.make_string = make_string; +exports.split_lines = split_lines; +exports.MAP = MAP; + +// keep this last! +exports.ast_squeeze_more = require("./squeeze-more").ast_squeeze_more; + +}); +define('uglifyjs/index', ["require", "exports", "module", "./parse-js", "./process"], function(require, exports, module) { + + +//convienence function(src, [options]); +function uglify(orig_code, options){ + options || (options = {}); + var jsp = uglify.parser; + var pro = uglify.uglify; + + var ast = jsp.parse(orig_code, options.strict_semicolons); // parse code and get the initial AST + ast = pro.ast_mangle(ast, options.mangle_options); // get a new AST with mangled names + ast = pro.ast_squeeze(ast, options.squeeze_options); // get an AST with compression optimizations + var final_code = pro.gen_code(ast, options.gen_options); // compressed code here + return final_code; +}; + +uglify.parser = require("./parse-js"); +uglify.uglify = require("./process"); + +module.exports = uglify + + +}); +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint plusplus: false, strict: false */ +/*global define: false */ + +define('parse', ['uglifyjs/index'], function (uglify) { + var parser = uglify.parser, + processor = uglify.uglify, + ostring = Object.prototype.toString, + isArray; + + if (Array.isArray) { + isArray = Array.isArray; + } else { + isArray = function (it) { + return ostring.call(it) === "[object Array]"; + }; + } + + /** + * Determines if the AST node is an array literal + */ + function isArrayLiteral(node) { + return node[0] === 'array'; + } + + /** + * Determines if the AST node is an object literal + */ + function isObjectLiteral(node) { + return node[0] === 'object'; + } + + /** + * Converts a regular JS array of strings to an AST node that + * represents that array. + * @param {Array} ary + * @param {Node} an AST node that represents an array of strings. + */ + function toAstArray(ary) { + var output = [ + 'array', + [] + ], + i, item; + + for (i = 0; (item = ary[i]); i++) { + output[1].push([ + 'string', + item + ]); + } + + return output; + } + + /** + * Validates a node as being an object literal (like for i18n bundles) + * or an array literal with just string members. If an array literal, + * only return array members that are full strings. So the caller of + * this function should use the return value as the new value for the + * node. + * + * This function does not need to worry about comments, they are not + * present in this AST. + * + * @param {Node} node an AST node. + * + * @returns {Node} an AST node to use for the valid dependencies. + * If null is returned, then it means the input node was not a valid + * dependency. + */ + function validateDeps(node) { + var newDeps = ['array', []], + arrayArgs, i, dep; + + if (!node) { + return null; + } + + if (isObjectLiteral(node) || node[0] === 'function') { + return node; + } + + //Dependencies can be an object literal or an array. + if (!isArrayLiteral(node)) { + return null; + } + + arrayArgs = node[1]; + + for (i = 0; i < arrayArgs.length; i++) { + dep = arrayArgs[i]; + if (dep[0] === 'string') { + newDeps[1].push(dep); + } + } + return newDeps[1].length ? newDeps : null; + } + + /** + * Main parse function. Returns a string of any valid require or define/require.def + * calls as part of one JavaScript source string. + * @param {String} fileName + * @param {String} fileContents + * @returns {String} JS source string or null, if no require or define/require.def + * calls are found. + */ + function parse(fileName, fileContents) { + //Set up source input + var matches = [], result = null, + astRoot = parser.parse(fileContents); + + parse.recurse(astRoot, function () { + var parsed = parse.callToString.apply(parse, arguments); + if (parsed) { + matches.push(parsed); + } + }); + + if (matches.length) { + result = matches.join("\n"); + } + + return result; + } + + //Add some private methods to object for use in derived objects. + parse.isArray = isArray; + parse.isObjectLiteral = isObjectLiteral; + parse.isArrayLiteral = isArrayLiteral; + + /** + * Handles parsing a file recursively for require calls. + * @param {Array} parentNode the AST node to start with. + * @param {Function} onMatch function to call on a parse match. + */ + parse.recurse = function (parentNode, onMatch) { + var i, node; + if (isArray(parentNode)) { + for (i = 0; i < parentNode.length; i++) { + node = parentNode[i]; + if (isArray(node)) { + this.parseNode(node, onMatch); + this.recurse(node, onMatch); + } + } + } + }; + + /** + * Determines if the file defines require(). + * @param {String} fileName + * @param {String} fileContents + * @returns {Boolean} + */ + parse.definesRequire = function (fileName, fileContents) { + var astRoot = parser.parse(fileContents); + return this.nodeHasRequire(astRoot); + }; + + /** + * Finds require("") calls inside a CommonJS anonymous module wrapped in a + * define/require.def(function(require, exports, module){}) wrapper. These dependencies + * will be added to a modified define() call that lists the dependencies + * on the outside of the function. + * @param {String} fileName + * @param {String} fileContents + * @returns {Array} an array of module names that are dependencies. Always + * returns an array, but could be of length zero. + */ + parse.getAnonDeps = function (fileName, fileContents) { + var astRoot = parser.parse(fileContents), + defFunc = this.findAnonRequireDefCallback(astRoot); + + return parse.getAnonDepsFromNode(defFunc); + }; + + /** + * Finds require("") calls inside a CommonJS anonymous module wrapped + * in a define function, given an AST node for the definition function. + * @param {Node} node the AST node for the definition function. + * @returns {Array} and array of dependency names. Can be of zero length. + */ + parse.getAnonDepsFromNode = function (node) { + var deps = [], + funcArgLength; + + if (node) { + this.findRequireDepNames(node, deps); + + //If no deps, still add the standard CommonJS require, exports, module, + //in that order, to the deps, but only if specified as function args. + //In particular, if exports is used, it is favored over the return + //value of the function, so only add it if asked. + funcArgLength = node[2] && node[2].length; + if (funcArgLength) { + deps = (funcArgLength > 1 ? ["require", "exports", "module"] : + ["require"]).concat(deps); + } + } + return deps; + }; + + /** + * Finds the function in require.def or define(function (require, exports, module){}); + * @param {Array} node + * @returns {Boolean} + */ + parse.findAnonRequireDefCallback = function (node) { + var callback, i, n, call, args; + + if (isArray(node)) { + if (node[0] === 'call') { + call = node[1]; + args = node[2]; + if ((call[0] === 'name' && call[1] === 'define') || + (call[0] === 'dot' && call[1][1] === 'require' && call[2] === 'def')) { + + //There should only be one argument and it should be a function. + if (args.length === 1 && args[0][0] === 'function') { + return args[0]; + } + + } + } + + //Check child nodes + for (i = 0; i < node.length; i++) { + n = node[i]; + if ((callback = this.findAnonRequireDefCallback(n))) { + return callback; + } + } + } + + return null; + }; + + /** + * Finds all dependencies specified in dependency arrays and inside + * simplified commonjs wrappers. + * @param {String} fileName + * @param {String} fileContents + * + * @returns {Array} an array of dependency strings. The dependencies + * have not been normalized, they may be relative IDs. + */ + parse.findDependencies = function (fileName, fileContents) { + //This is a litle bit inefficient, it ends up with two uglifyjs parser + //calls. Can revisit later, but trying to build out larger functional + //pieces first. + var dependencies = parse.getAnonDeps(fileName, fileContents), + astRoot = parser.parse(fileContents), + i, dep; + + parse.recurse(astRoot, function (callName, config, name, deps) { + //Normalize the input args. + if (name && isArrayLiteral(name)) { + deps = name; + name = null; + } + + if (!(deps = validateDeps(deps)) || !isArrayLiteral(deps)) { + return; + } + + for (i = 0; (dep = deps[1][i]); i++) { + dependencies.push(dep[1]); + } + }); + + return dependencies; + }; + + parse.findRequireDepNames = function (node, deps) { + var moduleName, i, n, call, args; + + if (isArray(node)) { + if (node[0] === 'call') { + call = node[1]; + args = node[2]; + + if (call[0] === 'name' && call[1] === 'require') { + moduleName = args[0]; + if (moduleName[0] === 'string') { + deps.push(moduleName[1]); + } + } + + + } + + //Check child nodes + for (i = 0; i < node.length; i++) { + n = node[i]; + this.findRequireDepNames(n, deps); + } + } + }; + + /** + * Determines if a given node contains a require() definition. + * @param {Array} node + * @returns {Boolean} + */ + parse.nodeHasRequire = function (node) { + if (this.isDefineNode(node)) { + return true; + } + + if (isArray(node)) { + for (var i = 0, n; i < node.length; i++) { + n = node[i]; + if (this.nodeHasRequire(n)) { + return true; + } + } + } + + return false; + }; + + /** + * Is the given node the actual definition of define(). Actually uses + * the definition of define.amd to find require. + * @param {Array} node + * @returns {Boolean} + */ + parse.isDefineNode = function (node) { + //Actually look for the define.amd = assignment, since + //that is more indicative of RequireJS vs a plain require definition. + var assign; + if (!node) { + return null; + } + + if (node[0] === 'assign' && node[1] === true) { + assign = node[2]; + if (assign[0] === 'dot' && assign[1][0] === 'name' && + assign[1][1] === 'define' && assign[2] === 'amd') { + return true; + } + } + return false; + }; + + function optionalString(node) { + var str = null; + if (node) { + str = parse.nodeToString(node); + } + return str; + } + + /** + * Convert a require/require.def/define call to a string if it is a valid + * call via static analysis of dependencies. + * @param {String} callName the name of call (require or define) + * @param {Array} the config node inside the call + * @param {Array} the name node inside the call + * @param {Array} the deps node inside the call + */ + parse.callToString = function (callName, config, name, deps) { + //If name is an array, it means it is an anonymous module, + //so adjust args appropriately. An anonymous module could + //have a FUNCTION as the name type, but just ignore those + //since we just want to find dependencies. + var configString, nameString, depString; + if (name && isArrayLiteral(name)) { + deps = name; + name = null; + } + + if (!(deps = validateDeps(deps))) { + return null; + } + + //Only serialize the call name, config, module name and dependencies, + //otherwise could get local variable names for module value. + configString = config && isObjectLiteral(config) && optionalString(config); + nameString = optionalString(name); + depString = optionalString(deps); + + return callName + "(" + + (configString ? configString : "") + + (nameString ? (configString ? "," : "") + nameString : "") + + (depString ? (configString || nameString ? "," : "") + depString : "") + + ");"; + }; + + /** + * Determines if a specific node is a valid require or define/require.def call. + * @param {Array} node + * @param {Function} onMatch a function to call when a match is found. + * It is passed the match name, and the config, name, deps possible args. + * The config, name and deps args are not normalized. + * + * @returns {String} a JS source string with the valid require/define call. + * Otherwise null. + */ + parse.parseNode = function (node, onMatch) { + var call, name, config, deps, args, cjsDeps; + + if (!isArray(node)) { + return null; + } + + if (node[0] === 'call') { + call = node[1]; + args = node[2]; + + if (call) { + if (call[0] === 'name' && call[1] === 'require') { + + //It is a plain require() call. + config = args[0]; + deps = args[1]; + if (isArrayLiteral(config)) { + deps = config; + config = null; + } + + if (!(deps = validateDeps(deps))) { + return null; + } + + return onMatch("require", null, null, deps); + + } else if ((call[0] === 'name' && call[1] === 'define') || + (call[0] === 'dot' && call[1][1] === 'require' && + call[2] === 'def')) { + + //A define or require.def call + name = args[0]; + deps = args[1]; + //Only allow define calls that match what is expected + //in an AMD call: + //* first arg should be string, array, function or object + //* second arg optional, or array, function or object. + //This helps weed out calls to a non-AMD define, but it is + //not completely robust. Someone could create a define + //function that still matches this shape, but this is the + //best that is possible, and at least allows UglifyJS, + //which does create its own internal define in one file, + //to be inlined. + if (((name[0] === 'string' || isArrayLiteral(name) || + name[0] === 'function' || isObjectLiteral(name))) && + (!deps || isArrayLiteral(deps) || + deps[0] === 'function' || isObjectLiteral(deps))) { + + //If first arg is a function, could be a commonjs wrapper, + //look inside for commonjs dependencies. + if (name && name[0] === 'function') { + cjsDeps = parse.getAnonDepsFromNode(name); + if (cjsDeps.length) { + name = toAstArray(cjsDeps); + } + } + + return onMatch("define", null, name, deps); + } + } + } + } + + return null; + }; + + /** + * Converts an AST node into a JS source string. Does not maintain formatting + * or even comments from original source, just returns valid JS source. + * @param {Array} node + * @returns {String} a JS source string. + */ + parse.nodeToString = function (node) { + return processor.gen_code(node, true); + }; + + return parse; +}); +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint regexp: false, strict: false */ +/*global define: false */ + +define('pragma', function () { + + function Temp() {} + + function create(obj, mixin) { + Temp.prototype = obj; + var temp = new Temp(), prop; + + //Avoid any extra memory hanging around + Temp.prototype = null; + + if (mixin) { + for (prop in mixin) { + if (mixin.hasOwnProperty(prop) && !(prop in temp)) { + temp[prop] = mixin[prop]; + } + } + } + + return temp; // Object + } + + var pragma = { + conditionalRegExp: /(exclude|include)Start\s*\(\s*["'](\w+)["']\s*,(.*)\)/, + useStrictRegExp: /['"]use strict['"];/g, + hasRegExp: /has\s*\(\s*['"]([^'"]+)['"]\s*\)/g, + nsRegExp: /(^|[^\.])(requirejs|require|define)\s*\(/, + apiDefRegExp: /var requirejs, require, define;/, + + removeStrict: function (contents, config) { + return config.useStrict ? contents : contents.replace(pragma.useStrictRegExp, ''); + }, + + namespace: function (fileContents, ns, onLifecycleName) { + if (ns) { + //Namespace require/define calls + fileContents = fileContents.replace(pragma.nsRegExp, '$1' + ns + '.$2('); + + //Check for require.js with the require/define definitions + if (pragma.apiDefRegExp.test(fileContents) && + fileContents.indexOf("if (typeof " + ns + " === 'undefined')") === -1) { + //Wrap the file contents in a typeof check, and a function + //to contain the API globals. + fileContents = "var " + ns + ";(function () { if (typeof " + + ns + " === 'undefined') {\n" + + ns + ' = {};\n' + + fileContents + + "\n}\n" + + ns + ".requirejs = requirejs;" + + ns + ".require = require;" + + ns + ".define = define;\n" + + "}());"; + } + } + + return fileContents; + }, + + /** + * processes the fileContents for some //>> conditional statements + */ + process: function (fileName, fileContents, config, onLifecycleName) { + /*jslint evil: true */ + var foundIndex = -1, startIndex = 0, lineEndIndex, conditionLine, + matches, type, marker, condition, isTrue, endRegExp, endMatches, + endMarkerIndex, shouldInclude, startLength, lifecycleHas, + lifecyclePragmas, pragmas = config.pragmas, hasConfig = config.has, + //Legacy arg defined to help in dojo conversion script. Remove later + //when dojo no longer needs conversion: + kwArgs = pragmas; + + //Mix in a specific lifecycle scoped object, to allow targeting + //some pragmas/has tests to only when files are saved, or at different + //lifecycle events. Do not bother with kwArgs in this section, since + //the old dojo kwArgs were for all points in the build lifecycle. + if (onLifecycleName) { + lifecyclePragmas = config['pragmas' + onLifecycleName]; + lifecycleHas = config['has' + onLifecycleName]; + + if (lifecyclePragmas) { + pragmas = create(pragmas || {}, lifecyclePragmas); + } + + if (lifecycleHas) { + hasConfig = create(hasConfig || {}, lifecycleHas); + } + } + + //Replace has references if desired + if (hasConfig) { + fileContents = fileContents.replace(pragma.hasRegExp, function (match, test) { + if (test in hasConfig) { + return !!hasConfig[test]; + } + return match; + }); + } + + //Do namespacing + if (onLifecycleName === 'OnSave' && config.namespace) { + fileContents = pragma.namespace(fileContents, config.namespace, onLifecycleName); + } + + //If pragma work is not desired, skip it. + if (config.skipPragmas) { + return pragma.removeStrict(fileContents, config); + } + + while ((foundIndex = fileContents.indexOf("//>>", startIndex)) !== -1) { + //Found a conditional. Get the conditional line. + lineEndIndex = fileContents.indexOf("\n", foundIndex); + if (lineEndIndex === -1) { + lineEndIndex = fileContents.length - 1; + } + + //Increment startIndex past the line so the next conditional search can be done. + startIndex = lineEndIndex + 1; + + //Break apart the conditional. + conditionLine = fileContents.substring(foundIndex, lineEndIndex + 1); + matches = conditionLine.match(pragma.conditionalRegExp); + if (matches) { + type = matches[1]; + marker = matches[2]; + condition = matches[3]; + isTrue = false; + //See if the condition is true. + try { + isTrue = !!eval("(" + condition + ")"); + } catch (e) { + throw "Error in file: " + + fileName + + ". Conditional comment: " + + conditionLine + + " failed with this error: " + e; + } + + //Find the endpoint marker. + endRegExp = new RegExp('\\/\\/\\>\\>\\s*' + type + 'End\\(\\s*[\'"]' + marker + '[\'"]\\s*\\)', "g"); + endMatches = endRegExp.exec(fileContents.substring(startIndex, fileContents.length)); + if (endMatches) { + endMarkerIndex = startIndex + endRegExp.lastIndex - endMatches[0].length; + + //Find the next line return based on the match position. + lineEndIndex = fileContents.indexOf("\n", endMarkerIndex); + if (lineEndIndex === -1) { + lineEndIndex = fileContents.length - 1; + } + + //Should we include the segment? + shouldInclude = ((type === "exclude" && !isTrue) || (type === "include" && isTrue)); + + //Remove the conditional comments, and optionally remove the content inside + //the conditional comments. + startLength = startIndex - foundIndex; + fileContents = fileContents.substring(0, foundIndex) + + (shouldInclude ? fileContents.substring(startIndex, endMarkerIndex) : "") + + fileContents.substring(lineEndIndex + 1, fileContents.length); + + //Move startIndex to foundIndex, since that is the new position in the file + //where we need to look for more conditionals in the next while loop pass. + startIndex = foundIndex; + } else { + throw "Error in file: " + + fileName + + ". Cannot find end marker for conditional comment: " + + conditionLine; + + } + } + } + + return pragma.removeStrict(fileContents, config); + } + }; + + return pragma; +}); +if(env === 'node') { +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false */ +/*global define: false */ + +define('node/optimize', {}); + +} + +if(env === 'rhino') { +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint strict: false, plusplus: false */ +/*global define: false, java: false, Packages: false */ + +define('rhino/optimize', ['logger'], function (logger) { + + //Add .reduce to Rhino so UglifyJS can run in Rhino, + //inspired by https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/reduce + //but rewritten for brevity, and to be good enough for use by UglifyJS. + if (!Array.prototype.reduce) { + Array.prototype.reduce = function (fn /*, initialValue */) { + var i = 0, + length = this.length, + accumulator; + + if (arguments.length >= 2) { + accumulator = arguments[1]; + } else { + do { + if (i in this) { + accumulator = this[i++]; + break; + } + } + while (true); + } + + for (; i < length; i++) { + if (i in this) { + accumulator = fn.call(undefined, accumulator, this[i], i, this); + } + } + + return accumulator; + }; + } + + var JSSourceFilefromCode, optimize; + + //Bind to Closure compiler, but if it is not available, do not sweat it. + try { + JSSourceFilefromCode = java.lang.Class.forName('com.google.javascript.jscomp.JSSourceFile').getMethod('fromCode', [java.lang.String, java.lang.String]); + } catch (e) {} + + //Helper for closure compiler, because of weird Java-JavaScript interactions. + function closurefromCode(filename, content) { + return JSSourceFilefromCode.invoke(null, [filename, content]); + } + + optimize = { + closure: function (fileName, fileContents, keepLines, config) { + config = config || {}; + var jscomp = Packages.com.google.javascript.jscomp, + flags = Packages.com.google.common.flags, + //Fake extern + externSourceFile = closurefromCode("fakeextern.js", " "), + //Set up source input + jsSourceFile = closurefromCode(String(fileName), String(fileContents)), + options, option, FLAG_compilation_level, compiler, + Compiler = Packages.com.google.javascript.jscomp.Compiler, + result; + + logger.trace("Minifying file: " + fileName); + + //Set up options + options = new jscomp.CompilerOptions(); + for (option in config.CompilerOptions) { + // options are false by default and jslint wanted an if statement in this for loop + if (config.CompilerOptions[option]) { + options[option] = config.CompilerOptions[option]; + } + + } + options.prettyPrint = keepLines || options.prettyPrint; + + FLAG_compilation_level = jscomp.CompilationLevel[config.CompilationLevel || 'SIMPLE_OPTIMIZATIONS']; + FLAG_compilation_level.setOptionsForCompilationLevel(options); + + //Trigger the compiler + Compiler.setLoggingLevel(Packages.java.util.logging.Level[config.loggingLevel || 'WARNING']); + compiler = new Compiler(); + + result = compiler.compile(externSourceFile, jsSourceFile, options); + if (!result.success) { + logger.error('Cannot closure compile file: ' + fileName + '. Skipping it.'); + } else { + fileContents = compiler.toSource(); + } + + return fileContents; + } + }; + + return optimize; +}); +} +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint plusplus: false, nomen: false, regexp: false, strict: false */ +/*global define: false */ + +define('optimize', [ 'lang', 'logger', 'env!env/optimize', 'env!env/file', 'parse', + 'pragma', 'uglifyjs/index'], +function (lang, logger, envOptimize, file, parse, + pragma, uglify) { + + var optimize, + cssImportRegExp = /\@import\s+(url\()?\s*([^);]+)\s*(\))?([\w, ]*)(;)?/g, + cssUrlRegExp = /\url\(\s*([^\)]+)\s*\)?/g; + + /** + * If an URL from a CSS url value contains start/end quotes, remove them. + * This is not done in the regexp, since my regexp fu is not that strong, + * and the CSS spec allows for ' and " in the URL if they are backslash escaped. + * @param {String} url + */ + function cleanCssUrlQuotes(url) { + //Make sure we are not ending in whitespace. + //Not very confident of the css regexps above that there will not be ending + //whitespace. + url = url.replace(/\s+$/, ""); + + if (url.charAt(0) === "'" || url.charAt(0) === "\"") { + url = url.substring(1, url.length - 1); + } + + return url; + } + + /** + * Inlines nested stylesheets that have @import calls in them. + * @param {String} fileName + * @param {String} fileContents + * @param {String} [cssImportIgnore] + */ + function flattenCss(fileName, fileContents, cssImportIgnore) { + //Find the last slash in the name. + fileName = fileName.replace(lang.backSlashRegExp, "/"); + var endIndex = fileName.lastIndexOf("/"), + //Make a file path based on the last slash. + //If no slash, so must be just a file name. Use empty string then. + filePath = (endIndex !== -1) ? fileName.substring(0, endIndex + 1) : ""; + + //Make sure we have a delimited ignore list to make matching faster + if (cssImportIgnore && cssImportIgnore.charAt(cssImportIgnore.length - 1) !== ",") { + cssImportIgnore += ","; + } + + return fileContents.replace(cssImportRegExp, function (fullMatch, urlStart, importFileName, urlEnd, mediaTypes) { + //Only process media type "all" or empty media type rules. + if (mediaTypes && ((mediaTypes.replace(/^\s\s*/, '').replace(/\s\s*$/, '')) !== "all")) { + return fullMatch; + } + + importFileName = cleanCssUrlQuotes(importFileName); + + //Ignore the file import if it is part of an ignore list. + if (cssImportIgnore && cssImportIgnore.indexOf(importFileName + ",") !== -1) { + return fullMatch; + } + + //Make sure we have a unix path for the rest of the operation. + importFileName = importFileName.replace(lang.backSlashRegExp, "/"); + + try { + //if a relative path, then tack on the filePath. + //If it is not a relative path, then the readFile below will fail, + //and we will just skip that import. + var fullImportFileName = importFileName.charAt(0) === "/" ? importFileName : filePath + importFileName, + importContents = file.readFile(fullImportFileName), i, + importEndIndex, importPath, fixedUrlMatch, colonIndex, parts; + + //Make sure to flatten any nested imports. + importContents = flattenCss(fullImportFileName, importContents); + + //Make the full import path + importEndIndex = importFileName.lastIndexOf("/"); + + //Make a file path based on the last slash. + //If no slash, so must be just a file name. Use empty string then. + importPath = (importEndIndex !== -1) ? importFileName.substring(0, importEndIndex + 1) : ""; + + //Modify URL paths to match the path represented by this file. + importContents = importContents.replace(cssUrlRegExp, function (fullMatch, urlMatch) { + fixedUrlMatch = cleanCssUrlQuotes(urlMatch); + fixedUrlMatch = fixedUrlMatch.replace(lang.backSlashRegExp, "/"); + + //Only do the work for relative URLs. Skip things that start with / or have + //a protocol. + colonIndex = fixedUrlMatch.indexOf(":"); + if (fixedUrlMatch.charAt(0) !== "/" && (colonIndex === -1 || colonIndex > fixedUrlMatch.indexOf("/"))) { + //It is a relative URL, tack on the path prefix + urlMatch = importPath + fixedUrlMatch; + } else { + logger.trace(importFileName + "\n URL not a relative URL, skipping: " + urlMatch); + } + + //Collapse .. and . + parts = urlMatch.split("/"); + for (i = parts.length - 1; i > 0; i--) { + if (parts[i] === ".") { + parts.splice(i, 1); + } else if (parts[i] === "..") { + if (i !== 0 && parts[i - 1] !== "..") { + parts.splice(i - 1, 2); + i -= 1; + } + } + } + + return "url(" + parts.join("/") + ")"; + }); + + return importContents; + } catch (e) { + logger.trace(fileName + "\n Cannot inline css import, skipping: " + importFileName); + return fullMatch; + } + }); + } + + optimize = { + /** + * Optimizes a file that contains JavaScript content. Optionally collects + * plugin resources mentioned in a file, and then passes the content + * through an minifier if one is specified via config.optimize. + * + * @param {String} fileName the name of the file to optimize + * @param {String} outFileName the name of the file to use for the + * saved optimized content. + * @param {Object} config the build config object. + * @param {String} [moduleName] the module name to use for the file. + * Used for plugin resource collection. + * @param {Array} [pluginCollector] storage for any plugin resources + * found. + */ + jsFile: function (fileName, outFileName, config, moduleName, pluginCollector) { + var parts = (config.optimize + "").split('.'), + optimizerName = parts[0], + keepLines = parts[1] === 'keepLines', + fileContents, optFunc, deps, i, dep; + + fileContents = file.readFile(fileName); + + //Apply pragmas/namespace renaming + fileContents = pragma.process(fileName, fileContents, config, 'OnSave'); + + //If there is a plugin collector, scan the file for plugin resources. + if (config.optimizeAllPluginResources && pluginCollector) { + try { + deps = parse.findDependencies(fileName, fileContents); + if (deps.length) { + for (i = 0; (dep = deps[i]); i++) { + if (dep.indexOf('!') !== -1) { + (pluginCollector[moduleName] || + (pluginCollector[moduleName] = [])).push(dep); + } + } + } + } catch (e) { + logger.error('Parse error looking for plugin resources in ' + + fileName + ', skipping.'); + } + } + + //Optimize the JS files if asked. + if (optimizerName && optimizerName !== 'none') { + optFunc = envOptimize[optimizerName] || optimize.optimizers[optimizerName]; + if (!optFunc) { + throw new Error('optimizer with name of "' + + optimizerName + + '" not found for this environment'); + } + fileContents = optFunc(fileName, fileContents, keepLines, + config[optimizerName]); + } + + file.saveUtf8File(outFileName, fileContents); + }, + + /** + * Optimizes one CSS file, inlining @import calls, stripping comments, and + * optionally removes line returns. + * @param {String} fileName the path to the CSS file to optimize + * @param {String} outFileName the path to save the optimized file. + * @param {Object} config the config object with the optimizeCss and + * cssImportIgnore options. + */ + cssFile: function (fileName, outFileName, config) { + //Read in the file. Make sure we have a JS string. + var originalFileContents = file.readFile(fileName), + fileContents = flattenCss(fileName, originalFileContents, config.cssImportIgnore), + startIndex, endIndex; + + //Do comment removal. + try { + startIndex = -1; + //Get rid of comments. + while ((startIndex = fileContents.indexOf("/*")) !== -1) { + endIndex = fileContents.indexOf("*/", startIndex + 2); + if (endIndex === -1) { + throw "Improper comment in CSS file: " + fileName; + } + fileContents = fileContents.substring(0, startIndex) + fileContents.substring(endIndex + 2, fileContents.length); + } + //Get rid of newlines. + if (config.optimizeCss.indexOf(".keepLines") === -1) { + fileContents = fileContents.replace(/[\r\n]/g, ""); + fileContents = fileContents.replace(/\s+/g, " "); + fileContents = fileContents.replace(/\{\s/g, "{"); + fileContents = fileContents.replace(/\s\}/g, "}"); + } else { + //Remove multiple empty lines. + fileContents = fileContents.replace(/(\r\n)+/g, "\r\n"); + fileContents = fileContents.replace(/(\n)+/g, "\n"); + } + } catch (e) { + fileContents = originalFileContents; + logger.error("Could not optimized CSS file: " + fileName + ", error: " + e); + } + + file.saveUtf8File(outFileName, fileContents); + }, + + /** + * Optimizes CSS files, inlining @import calls, stripping comments, and + * optionally removes line returns. + * @param {String} startDir the path to the top level directory + * @param {Object} config the config object with the optimizeCss and + * cssImportIgnore options. + */ + css: function (startDir, config) { + if (config.optimizeCss.indexOf("standard") !== -1) { + var i, fileName, + fileList = file.getFilteredFileList(startDir, /\.css$/, true); + if (fileList) { + for (i = 0; i < fileList.length; i++) { + fileName = fileList[i]; + logger.trace("Optimizing (" + config.optimizeCss + ") CSS file: " + fileName); + optimize.cssFile(fileName, fileName, config); + } + } + } + }, + + optimizers: { + uglify: function (fileName, fileContents, keepLines, config) { + var parser = uglify.parser, + processor = uglify.uglify, + ast, genCodeConfig; + + config = config || {}; + genCodeConfig = config.gen_codeOptions || keepLines; + + logger.trace("Uglifying file: " + fileName); + + try { + ast = parser.parse(fileContents, config.strict_semicolons); + ast = processor.ast_mangle(ast, config.do_toplevel); + ast = processor.ast_squeeze(ast, config.ast_squeezeOptions); + + fileContents = processor.gen_code(ast, genCodeConfig); + } catch (e) { + logger.error('Cannot uglify file: ' + fileName + '. Skipping it. Error is:\n' + e.toString()); + } + return fileContents; + } + } + }; + + return optimize; +});/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ +/* + * This file patches require.js to communicate with the build system. + */ + +/*jslint nomen: false, plusplus: false, regexp: false, strict: false */ +/*global require: false, define: true */ + +//NOT asking for require as a dependency since the goal is to modify the +//global require below +define('requirePatch', [ 'env!env/file', 'pragma', 'parse'], +function (file, pragma, parse) { + + var allowRun = true; + + //This method should be called when the patches to require should take hold. + return function () { + if (!allowRun) { + return; + } + allowRun = false; + + var layer, + pluginBuilderRegExp = /(["']?)pluginBuilder(["']?)\s*[=\:]\s*["']([^'"\s]+)["']/, + oldDef, + cachedFileContents = {}; + + + /** Print out some extrs info about the module tree that caused the error. **/ + require.onError = function (err) { + + var msg = '\nIn module tree:\n', + standardIndent = ' ', + tree = err.moduleTree, + i, j, mod; + + if (tree && tree.length > 0) { + for (i = tree.length - 1; i > -1 && (mod = tree[i]); i--) { + for (j = tree.length - i; j > -1; j--) { + msg += standardIndent; + } + msg += mod + '\n'; + } + + err = new Error(err.toString() + msg); + } + + throw err; + }; + + + /** Reset state for each build layer pass. */ + require._buildReset = function () { + var oldContext = require.s.contexts._; + + //Clear up the existing context. + delete require.s.contexts._; + + //Set up new context, so the layer object can hold onto it. + require({}); + + layer = require._layer = { + buildPathMap: {}, + buildFileToModule: {}, + buildFilePaths: [], + loadedFiles: {}, + modulesWithNames: {}, + existingRequireUrl: "", + context: require.s.contexts._ + }; + + //Set up a per-context list of plugins/pluginBuilders. + layer.context.pluginBuilders = {}; + layer.context._plugins = {}; + + //Return the previous context in case it is needed, like for + //the basic config object. + return oldContext; + }; + + require._buildReset(); + + /** + * Makes sure the URL is something that can be supported by the + * optimization tool. + * @param {String} url + * @returns {Boolean} + */ + require._isSupportedBuildUrl = function (url) { + //Ignore URLs with protocols or question marks, means either network + //access is needed to fetch it or it is too dynamic. Note that + //on Windows, full paths are used for some urls, which include + //the drive, like c:/something, so need to test for something other + //than just a colon. + return url.indexOf("://") === -1 && url.indexOf("?") === -1 && + url.indexOf('empty:') !== 0; + }; + + //Override require.def to catch modules that just define an object, so that + //a dummy require.def call is not put in the build file for them. They do + //not end up getting defined via require.execCb, so we need to catch them + //at the require.def call. + oldDef = require.def; + + //This function signature does not have to be exact, just match what we + //are looking for. + define = require.def = function (name, obj) { + if (typeof name === "string") { + layer.modulesWithNames[name] = true; + } + return oldDef.apply(require, arguments); + }; + + //Add some utilities for plugins/pluginBuilders + require._readFile = file.readFile; + require._fileExists = function (path) { + return file.exists(path); + }; + + //Override load so that the file paths can be collected. + require.load = function (context, moduleName, url) { + /*jslint evil: true */ + var contents, pluginBuilderMatch, builderName; + + //Adjust the URL if it was not transformed to use baseUrl. + if (require.jsExtRegExp.test(moduleName)) { + url = context.config.dirBaseUrl + url; + } + + context.loaded[moduleName] = false; + context.scriptCount += 1; + + //Only handle urls that can be inlined, so that means avoiding some + //URLs like ones that require network access or may be too dynamic, + //like JSONP + if (require._isSupportedBuildUrl(url)) { + //Save the module name to path and path to module name mappings. + layer.buildPathMap[moduleName] = url; + layer.buildFileToModule[url] = moduleName; + + if (moduleName in context.plugins) { + //plugins need to have their source evaled as-is. + context._plugins[moduleName] = true; + } + + try { + if (url in cachedFileContents) { + contents = cachedFileContents[url]; + } else { + //Load the file contents, process for conditionals, then + //evaluate it. + contents = file.readFile(url); + contents = pragma.process(url, contents, context.config, 'OnExecute'); + + //Find out if the file contains a require() definition. Need to know + //this so we can inject plugins right after it, but before they are needed, + //and to make sure this file is first, so that require.def calls work. + //This situation mainly occurs when the build is done on top of the output + //of another build, where the first build may include require somewhere in it. + if (!layer.existingRequireUrl && parse.definesRequire(url, contents)) { + layer.existingRequireUrl = url; + } + + if (moduleName in context.plugins) { + //This is a loader plugin, check to see if it has a build extension, + //otherwise the plugin will act as the plugin builder too. + pluginBuilderMatch = pluginBuilderRegExp.exec(contents); + if (pluginBuilderMatch) { + //Load the plugin builder for the plugin contents. + builderName = context.normalize(pluginBuilderMatch[3], moduleName); + contents = file.readFile(context.nameToUrl(builderName)); + } + } + + //Parse out the require and define calls. + //Do this even for plugins in case they have their own + //dependencies that may be separate to how the pluginBuilder works. + if (!context._plugins[moduleName]) { + contents = parse(url, contents); + } + + cachedFileContents[url] = contents; + } + + if (contents) { + eval(contents); + + //Support anonymous modules. + try { + context.completeLoad(moduleName); + } catch (e) { + //Track which module could not complete loading. + (e.moduleTree || (e.moduleTree = [])).push(moduleName); + throw e; + } + } + + } catch (eOuter) { + if (!eOuter.fileName) { + eOuter.fileName = url; + } + throw eOuter; + } + + // remember the list of dependencies for this layer. + layer.buildFilePaths.push(url); + } + + //Mark the module loaded. + context.loaded[moduleName] = true; + + //Get a handle on the pluginBuilder + if (context._plugins[moduleName]) { + context.pluginBuilders[moduleName] = context.defined[moduleName]; + } + }; + + //This method is called when a plugin specifies a loaded value. Use + //this to track dependencies that do not go through require.load. + require.onPluginLoad = function (context, pluginName, name, value) { + var registeredName = pluginName + '!' + (name || ''); + layer.buildFilePaths.push(registeredName); + //For plugins the real path is not knowable, use the name + //for both module to file and file to module mappings. + layer.buildPathMap[registeredName] = registeredName; + layer.buildFileToModule[registeredName] = registeredName; + layer.modulesWithNames[registeredName] = true; + }; + + //Marks the module as part of the loaded set, and puts + //it in the right position for output in the build layer, + //since require() already did the dependency checks and should have + //called this method already for those dependencies. + require.execCb = function (name, cb, args, exports) { + var url = name && layer.buildPathMap[name]; + if (url && !layer.loadedFiles[url]) { + layer.loadedFiles[url] = true; + layer.modulesWithNames[name] = true; + } + if (cb.__requireJsBuild || layer.context._plugins[name]) { + return cb.apply(exports, args); + } + return undefined; + }; + }; +}); +/** + * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint plusplus: false, regexp: false, strict: false */ +/*global define: false, console: false */ + +define('commonJs', ['env!env/file', 'uglifyjs/index'], function (file, uglify) { + var commonJs = { + depRegExp: /require\s*\(\s*["']([\w-_\.\/]+)["']\s*\)/g, + + //Set this to false in non-rhino environments. If rhino, then it uses + //rhino's decompiler to remove comments before looking for require() calls, + //otherwise, it will use a crude regexp approach to remove comments. The + //rhino way is more robust, but he regexp is more portable across environments. + useRhino: true, + + //Set to false if you do not want this file to log. Useful in environments + //like node where you want the work to happen without noise. + useLog: true, + + convertDir: function (commonJsPath, savePath) { + var fileList, i, + jsFileRegExp = /\.js$/, + fileName, convertedFileName, fileContents; + + //Get list of files to convert. + fileList = file.getFilteredFileList(commonJsPath, /\w/, true); + + //Normalize on front slashes and make sure the paths do not end in a slash. + commonJsPath = commonJsPath.replace(/\\/g, "/"); + savePath = savePath.replace(/\\/g, "/"); + if (commonJsPath.charAt(commonJsPath.length - 1) === "/") { + commonJsPath = commonJsPath.substring(0, commonJsPath.length - 1); + } + if (savePath.charAt(savePath.length - 1) === "/") { + savePath = savePath.substring(0, savePath.length - 1); + } + + //Cycle through all the JS files and convert them. + if (!fileList || !fileList.length) { + if (commonJs.useLog) { + if (commonJsPath === "convert") { + //A request just to convert one file. + console.log('\n\n' + commonJs.convert(savePath, file.readFile(savePath))); + } else { + console.log("No files to convert in directory: " + commonJsPath); + } + } + } else { + for (i = 0; (fileName = fileList[i]); i++) { + convertedFileName = fileName.replace(commonJsPath, savePath); + + //Handle JS files. + if (jsFileRegExp.test(fileName)) { + fileContents = file.readFile(fileName); + fileContents = commonJs.convert(fileName, fileContents); + file.saveUtf8File(convertedFileName, fileContents); + } else { + //Just copy the file over. + file.copyFile(fileName, convertedFileName, true); + } + } + } + }, + + /** + * Removes the comments from a string. + * + * @param {String} fileContents + * @param {String} fileName mostly used for informative reasons if an error. + * + * @returns {String} a string of JS with comments removed. + */ + removeComments: function (fileContents, fileName) { + //Uglify's ast generation removes comments, so just convert to ast, + //then back to source code to get rid of comments. + return uglify.uglify.gen_code(uglify.parser.parse(fileContents), true); + }, + + /** + * Regexp for testing if there is already a require.def call in the file, + * in which case do not try to convert it. + */ + defRegExp: /(require\s*\.\s*def|define)\s*\(/, + + /** + * Regexp for testing if there is a require([]) or require(function(){}) + * call, indicating the file is already in requirejs syntax. + */ + rjsRegExp: /require\s*\(\s*(\[|function)/, + + /** + * Does the actual file conversion. + * + * @param {String} fileName the name of the file. + * + * @param {String} fileContents the contents of a file :) + * + * @param {Boolean} skipDeps if true, require("") dependencies + * will not be searched, but the contents will just be wrapped in the + * standard require, exports, module dependencies. Only usable in sync + * environments like Node where the require("") calls can be resolved on + * the fly. + * + * @returns {String} the converted contents + */ + convert: function (fileName, fileContents, skipDeps) { + //Strip out comments. + try { + var deps = [], depName, match, + //Remove comments + tempContents = commonJs.removeComments(fileContents, fileName); + + //First see if the module is not already RequireJS-formatted. + if (commonJs.defRegExp.test(tempContents) || commonJs.rjsRegExp.test(tempContents)) { + return fileContents; + } + + //Reset the regexp to start at beginning of file. Do this + //since the regexp is reused across files. + commonJs.depRegExp.lastIndex = 0; + + if (!skipDeps) { + //Find dependencies in the code that was not in comments. + while ((match = commonJs.depRegExp.exec(tempContents))) { + depName = match[1]; + if (depName) { + deps.push('"' + depName + '"'); + } + } + } + + //Construct the wrapper boilerplate. + fileContents = 'define(["require", "exports", "module"' + + (deps.length ? ', ' + deps.join(",") : '') + '], ' + + 'function(require, exports, module) {\n' + + fileContents + + '\n});\n'; + } catch (e) { + console.log("COULD NOT CONVERT: " + fileName + ", so skipping it. Error was: " + e); + return fileContents; + } + + return fileContents; + } + }; + + return commonJs; +}); +/** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/*jslint regexp: false, plusplus: false, nomen: false, strict: false */ +/*global define: false, require: false */ + + +define('build', [ 'lang', 'logger', 'env!env/file', 'parse', 'optimize', 'pragma', + 'env!env/load', 'requirePatch'], +function (lang, logger, file, parse, optimize, pragma, + load, requirePatch) { + var build, buildBaseConfig; + + buildBaseConfig = { + appDir: "", + pragmas: {}, + paths: {}, + optimize: "uglify", + optimizeCss: "standard.keepLines", + inlineText: true, + isBuild: true, + optimizeAllPluginResources: false + }; + + /** + * If the path looks like an URL, throw an error. This is to prevent + * people from using URLs with protocols in the build config, since + * the optimizer is not set up to do network access. However, be + * sure to allow absolute paths on Windows, like C:\directory. + */ + function disallowUrls(path) { + if (path.indexOf('://') !== -1 && path !== 'empty:') { + throw new Error('Path is not supported: ' + path + + '\nOptimizer can only handle' + + ' local paths. Download the locally if necessary' + + ' and update the config to use a local path.'); + } + } + + function endsWithSlash(dirName) { + if (dirName.charAt(dirName.length - 1) !== "/") { + dirName += "/"; + } + disallowUrls(dirName); + return dirName; + } + + //Method used by plugin writeFile calls, defined up here to avoid + //jslint warning about "making a function in a loop". + function writeFile(name, contents) { + logger.trace('Saving plugin-optimized file: ' + name); + file.saveUtf8File(name, contents); + } + + /** + * Main API entry point into the build. The args argument can either be + * an array of arguments (like the onese passed on a command-line), + * or it can be a JavaScript object that has the format of a build profile + * file. + * + * If it is an object, then in addition to the normal properties allowed in + * a build profile file, the object should contain one other property: + * + * The object could also contain a "buildFile" property, which is a string + * that is the file path to a build profile that contains the rest + * of the build profile directives. + * + * This function does not return a status, it should throw an error if + * there is a problem completing the build. + */ + build = function (args) { + var buildFile, cmdConfig; + + if (!args || lang.isArray(args)) { + if (!args || args.length < 1) { + logger.error("build.js buildProfile.js\n" + + "where buildProfile.js is the name of the build file (see example.build.js for hints on how to make a build file)."); + return undefined; + } + + //Next args can include a build file path as well as other build args. + //build file path comes first. If it does not contain an = then it is + //a build file path. Otherwise, just all build args. + if (args[0].indexOf("=") === -1) { + buildFile = args[0]; + args.splice(0, 1); + } + + //Remaining args are options to the build + cmdConfig = build.convertArrayToObject(args); + cmdConfig.buildFile = buildFile; + } else { + cmdConfig = args; + } + + return build._run(cmdConfig); + }; + + build._run = function (cmdConfig) { + var buildFileContents = "", + pluginCollector = {}, + buildPaths, fileName, fileNames, + prop, paths, i, + baseConfig, config, + modules, builtModule, srcPath, buildContext, + destPath, moduleName, moduleMap, parentModuleMap, context, + resources, resource, pluginProcessed = {}, plugin; + + //Can now run the patches to require.js to allow it to be used for + //build generation. Do it here instead of at the top of the module + //because we want normal require behavior to load the build tool + //then want to switch to build mode. + requirePatch(); + + config = build.createConfig(cmdConfig); + paths = config.paths; + + if (config.logLevel) { + logger.logLevel(config.logLevel); + } + + if (!config.out && !config.cssIn) { + //This is not just a one-off file build but a full build profile, with + //lots of files to process. + + //First copy all the baseUrl content + file.copyDir((config.appDir || config.baseUrl), config.dir, /\w/, true); + + //Adjust baseUrl if config.appDir is in play, and set up build output paths. + buildPaths = {}; + if (config.appDir) { + //All the paths should be inside the appDir + buildPaths = paths; + } else { + //If no appDir, then make sure to copy the other paths to this directory. + for (prop in paths) { + if (paths.hasOwnProperty(prop)) { + //Set up build path for each path prefix. + buildPaths[prop] = paths[prop] === 'empty:' ? 'empty:' : prop.replace(/\./g, "/"); + + //Make sure source path is fully formed with baseUrl, + //if it is a relative URL. + srcPath = paths[prop]; + if (srcPath.indexOf('/') !== 0 && srcPath.indexOf(':') === -1) { + srcPath = config.baseUrl + srcPath; + } + + destPath = config.dirBaseUrl + buildPaths[prop]; + + //Skip empty: paths + if (srcPath !== 'empty:') { + //If the srcPath is a directory, copy the whole directory. + if (file.exists(srcPath) && file.isDirectory(srcPath)) { + //Copy files to build area. Copy all files (the /\w/ regexp) + file.copyDir(srcPath, destPath, /\w/, true); + } else { + //Try a .js extension + srcPath += '.js'; + destPath += '.js'; + file.copyFile(srcPath, destPath); + } + } + } + } + } + } + + //Figure out source file location for each module layer. Do this by seeding require + //with source area configuration. This is needed so that later the module layers + //can be manually copied over to the source area, since the build may be + //require multiple times and the above copyDir call only copies newer files. + require({ + baseUrl: config.baseUrl, + paths: paths, + packagePaths: config.packagePaths, + packages: config.packages + }); + buildContext = require.s.contexts._; + modules = config.modules; + + if (modules) { + modules.forEach(function (module) { + if (module.name) { + module._sourcePath = buildContext.nameToUrl(module.name); + //If the module does not exist, and this is not a "new" module layer, + //as indicated by a true "create" property on the module, and + //it is not a plugin-loaded resource, then throw an error. + if (!file.exists(module._sourcePath) && !module.create && + module.name.indexOf('!') === -1) { + throw new Error("ERROR: module path does not exist: " + + module._sourcePath + " for module named: " + module.name + + ". Path is relative to: " + file.absPath('.')); + } + } + }); + } + + if (config.out) { + //Just set up the _buildPath for the module layer. + require(config); + if (!config.cssIn) { + config.modules[0]._buildPath = config.out; + } + } else if (!config.cssIn) { + //Now set up the config for require to use the build area, and calculate the + //build file locations. Pass along any config info too. + baseConfig = { + baseUrl: config.dirBaseUrl, + paths: buildPaths + }; + + lang.mixin(baseConfig, config); + require(baseConfig); + + if (modules) { + modules.forEach(function (module) { + if (module.name) { + module._buildPath = buildContext.nameToUrl(module.name, null); + if (!module.create) { + file.copyFile(module._sourcePath, module._buildPath); + } + } + }); + } + } + + //Run CSS optimizations before doing JS module tracing, to allow + //things like text loader plugins loading CSS to get the optimized + //CSS. + if (config.optimizeCss && config.optimizeCss !== "none") { + optimize.css(config.dir, config); + } + + if (modules) { + //For each module layer, call require to calculate dependencies. + modules.forEach(function (module) { + module.layer = build.traceDependencies(module, config); + }); + + //Now build up shadow layers for anything that should be excluded. + //Do this after tracing dependencies for each module, in case one + //of those modules end up being one of the excluded values. + modules.forEach(function (module) { + if (module.exclude) { + module.excludeLayers = []; + module.exclude.forEach(function (exclude, i) { + //See if it is already in the list of modules. + //If not trace dependencies for it. + module.excludeLayers[i] = build.findBuildModule(exclude, modules) || + {layer: build.traceDependencies({name: exclude}, config)}; + }); + } + }); + + modules.forEach(function (module) { + if (module.exclude) { + //module.exclude is an array of module names. For each one, + //get the nested dependencies for it via a matching entry + //in the module.excludeLayers array. + module.exclude.forEach(function (excludeModule, i) { + var excludeLayer = module.excludeLayers[i].layer, map = excludeLayer.buildPathMap, prop; + for (prop in map) { + if (map.hasOwnProperty(prop)) { + build.removeModulePath(prop, map[prop], module.layer); + } + } + }); + } + if (module.excludeShallow) { + //module.excludeShallow is an array of module names. + //shallow exclusions are just that module itself, and not + //its nested dependencies. + module.excludeShallow.forEach(function (excludeShallowModule) { + var path = module.layer.buildPathMap[excludeShallowModule]; + if (path) { + build.removeModulePath(excludeShallowModule, path, module.layer); + } + }); + } + + //Flatten them and collect the build output for each module. + builtModule = build.flattenModule(module, module.layer, config); + file.saveUtf8File(module._buildPath, builtModule.text); + buildFileContents += builtModule.buildText; + }); + } + + //Do other optimizations. + if (config.out && !config.cssIn) { + //Just need to worry about one JS file. + fileName = config.modules[0]._buildPath; + optimize.jsFile(fileName, fileName, config); + } else if (!config.cssIn) { + //Normal optimizations across modules. + + //JS optimizations. + fileNames = file.getFilteredFileList(config.dir, /\.js$/, true); + for (i = 0; (fileName = fileNames[i]); i++) { + //Generate the module name from the config.dir root. + moduleName = fileName.replace(config.dir, ''); + //Get rid of the extension + moduleName = moduleName.substring(0, moduleName.length - 3); + optimize.jsFile(fileName, fileName, config, moduleName, pluginCollector); + } + + //Normalize all the plugin resources. + context = require.s.contexts._; + + for (moduleName in pluginCollector) { + if (pluginCollector.hasOwnProperty(moduleName)) { + parentModuleMap = context.makeModuleMap(moduleName); + resources = pluginCollector[moduleName]; + for (i = 0; (resource = resources[i]); i++) { + moduleMap = context.makeModuleMap(resource, parentModuleMap); + if (!context.plugins[moduleMap.prefix]) { + //Set the value in context.plugins so it + //will be evaluated as a full plugin. + context.plugins[moduleMap.prefix] = true; + + //Do not bother if the plugin is not available. + if (!file.exists(require.toUrl(moduleMap.prefix + '.js'))) { + continue; + } + + //Rely on the require in the build environment + //to be synchronous + context.require([moduleMap.prefix]); + + //Now that the plugin is loaded, redo the moduleMap + //since the plugin will need to normalize part of the path. + moduleMap = context.makeModuleMap(resource, parentModuleMap); + } + + //Only bother with plugin resources that can be handled + //processed by the plugin, via support of the writeFile + //method. + if (!pluginProcessed[moduleMap.fullName]) { + //Only do the work if the plugin was really loaded. + //Using an internal access because the file may + //not really be loaded. + plugin = context.defined[moduleMap.prefix]; + if (plugin && plugin.writeFile) { + plugin.writeFile( + moduleMap.prefix, + moduleMap.name, + require, + writeFile, + context.config + ); + } + + pluginProcessed[moduleMap.fullName] = true; + } + } + + } + } + + //console.log('PLUGIN COLLECTOR: ' + JSON.stringify(pluginCollector, null, " ")); + + + //All module layers are done, write out the build.txt file. + file.saveUtf8File(config.dir + "build.txt", buildFileContents); + } + + //If just have one CSS file to optimize, do that here. + if (config.cssIn) { + optimize.cssFile(config.cssIn, config.out, config); + } + + //Print out what was built into which layers. + if (buildFileContents) { + logger.info(buildFileContents); + return buildFileContents; + } + + return ''; + }; + + /** + * Converts command line args like "paths.foo=../some/path" + * result.paths = { foo: '../some/path' } where prop = paths, + * name = paths.foo and value = ../some/path, so it assumes the + * name=value splitting has already happened. + */ + function stringDotToObj(result, prop, name, value) { + if (!result[prop]) { + result[prop] = {}; + } + name = name.substring((prop + '.').length, name.length); + result[prop][name] = value; + } + + /** + * Converts an array that has String members of "name=value" + * into an object, where the properties on the object are the names in the array. + * Also converts the strings "true" and "false" to booleans for the values. + * member name/value pairs, and converts some comma-separated lists into + * arrays. + * @param {Array} ary + */ + build.convertArrayToObject = function (ary) { + var result = {}, i, separatorIndex, prop, value, + needArray = { + "include": true, + "exclude": true, + "excludeShallow": true + }; + + for (i = 0; i < ary.length; i++) { + separatorIndex = ary[i].indexOf("="); + if (separatorIndex === -1) { + throw "Malformed name/value pair: [" + ary[i] + "]. Format should be name=value"; + } + + value = ary[i].substring(separatorIndex + 1, ary[i].length); + if (value === "true") { + value = true; + } else if (value === "false") { + value = false; + } + + prop = ary[i].substring(0, separatorIndex); + + //Convert to array if necessary + if (needArray[prop]) { + value = value.split(","); + } + + if (prop.indexOf("paths.") === 0 || prop.indexOf("wrap.") === 0) { + stringDotToObj(result, prop.split('.')[0], prop, value); + } else { + result[prop] = value; + } + } + return result; //Object + }; + + build.makeAbsPath = function (path, absFilePath) { + //Add abspath if necessary. If path starts with a slash or has a colon, + //then already is an abolute path. + if (path.indexOf('/') !== 0 && path.indexOf(':') === -1) { + path = absFilePath + + (absFilePath.charAt(absFilePath.length - 1) === '/' ? '' : '/') + + path; + path = file.normalize(path); + } + return path.replace(lang.backSlashRegExp, '/'); + }; + + /** + * Creates a config object for an optimization build. + * It will also read the build profile if it is available, to create + * the configuration. + * + * @param {Object} cfg config options that take priority + * over defaults and ones in the build file. These options could + * be from a command line, for instance. + * + * @param {Object} the created config object. + */ + build.createConfig = function (cfg) { + /*jslint evil: true */ + var config = {}, buildFileContents, buildFileConfig, + paths, props, i, prop, buildFile, absFilePath, originalBaseUrl; + + lang.mixin(config, buildBaseConfig); + lang.mixin(config, cfg, true); + + if (config.buildFile) { + //A build file exists, load it to get more config. + buildFile = file.absPath(config.buildFile); + + //Find the build file, and make sure it exists, if this is a build + //that has a build profile, and not just command line args with an in=path + if (!file.exists(buildFile)) { + throw new Error("ERROR: build file does not exist: " + buildFile); + } + + absFilePath = config.baseUrl = file.absPath(file.parent(buildFile)); + config.dir = config.baseUrl + "/build/"; + + //Load build file options. + buildFileContents = file.readFile(buildFile); + try { + buildFileConfig = eval("(" + buildFileContents + ")"); + } catch (e) { + throw new Error("Build file " + buildFile + " is malformed: " + e); + } + lang.mixin(config, buildFileConfig, true); + + //Re-apply the override config values, things like command line + //args should take precedence over build file values. + lang.mixin(config, cfg, true); + } else { + if (!config.out && !config.cssIn) { + throw new Error("ERROR: 'out' or 'cssIn' option missing."); + } + if (!config.out) { + throw new Error("ERROR: 'out' option missing."); + } else { + config.out = config.out.replace(lang.backSlashRegExp, "/"); + } + + if (!config.cssIn && !cfg.baseUrl) { + throw new Error("ERROR: 'baseUrl' option missing."); + } + + //In this scenario, the absFile path is current directory + absFilePath = file.absPath('.'); + } + + if (config.out && !config.cssIn) { + //Just one file to optimize. + + //Set up dummy module layer to build. + config.modules = [ + { + name: config.name, + out: config.out, + include: config.include, + exclude: config.exclude, + excludeShallow: config.excludeShallow + } + ]; + + //Does not have a build file, so set up some defaults. + //Optimizing CSS should not be allowed, unless explicitly + //asked for on command line. In that case the only task is + //to optimize a CSS file. + if (!cfg.optimizeCss) { + config.optimizeCss = "none"; + } + } + + //Adjust the path properties as appropriate. + //First make sure build paths use front slashes and end in a slash, + //and make sure they are aboslute paths. + props = ["appDir", "dir", "baseUrl"]; + for (i = 0; (prop = props[i]); i++) { + if (config[prop]) { + config[prop] = config[prop].replace(lang.backSlashRegExp, "/"); + + //Add abspath if necessary. + if (prop === "baseUrl") { + originalBaseUrl = config.baseUrl; + if (config.appDir) { + //If baseUrl with an appDir, the baseUrl is relative to + //the appDir, *not* the absFilePath. appDir and dir are + //made absolute before baseUrl, so this will work. + config.baseUrl = build.makeAbsPath(originalBaseUrl, config.appDir); + //Set up dir output baseUrl. + config.dirBaseUrl = build.makeAbsPath(originalBaseUrl, config.dir); + } else { + //The dir output baseUrl is same as regular baseUrl, both + //relative to the absFilePath. + config.baseUrl = build.makeAbsPath(config[prop], absFilePath); + config.dirBaseUrl = config.dir || config.baseUrl; + } + + //Make sure dirBaseUrl ends in a slash, since it is + //concatenated with other strings. + config.dirBaseUrl = endsWithSlash(config.dirBaseUrl); + } else { + config[prop] = build.makeAbsPath(config[prop], absFilePath); + } + + config[prop] = endsWithSlash(config[prop]); + } + } + + //Do not allow URLs for paths resources. + if (config.paths) { + for (prop in config.paths) { + if (config.paths.hasOwnProperty(prop)) { + config.paths[prop] = config.paths[prop].replace(lang.backSlashRegExp, "/"); + disallowUrls(config.paths[prop]); + } + } + } + + //Make sure some other paths are absolute. + props = ["out", "cssIn"]; + for (i = 0; (prop = props[i]); i++) { + if (config[prop]) { + config[prop] = build.makeAbsPath(config[prop], absFilePath); + } + } + + //Get any wrap text. + try { + if (config.wrap) { + if (config.wrap === true) { + //Use default values. + config.wrap = { + start: '(function () {', + end: '}());' + }; + } else { + config.wrap.start = config.wrap.start || + file.readFile(build.makeAbsPath(config.wrap.startFile, absFilePath)); + config.wrap.end = config.wrap.end || + file.readFile(build.makeAbsPath(config.wrap.endFile, absFilePath)); + } + } + } catch (wrapError) { + throw new Error('Malformed wrap config: need both start/end or ' + + 'startFile/endFile: ' + wrapError.toString()); + } + + //Do final input verification + if (config.context) { + throw new Error('The build argument "context" is not supported' + + ' in a build. It should only be used in web' + + ' pages.'); + } + + return config; + }; + + /** + * finds the module being built/optimized with the given moduleName, + * or returns null. + * @param {String} moduleName + * @param {Array} modules + * @returns {Object} the module object from the build profile, or null. + */ + build.findBuildModule = function (moduleName, modules) { + var i, module; + for (i = 0; (module = modules[i]); i++) { + if (module.name === moduleName) { + return module; + } + } + return null; + }; + + /** + * Removes a module name and path from a layer, if it is supposed to be + * excluded from the layer. + * @param {String} moduleName the name of the module + * @param {String} path the file path for the module + * @param {Object} layer the layer to remove the module/path from + */ + build.removeModulePath = function (module, path, layer) { + var index = layer.buildFilePaths.indexOf(path); + if (index !== -1) { + layer.buildFilePaths.splice(index, 1); + } + + //Take it out of the specified modules. Specified modules are mostly + //used to find require modifiers. + delete layer.specified[module]; + }; + + /** + * Uses the module build config object to trace the dependencies for the + * given module. + * + * @param {Object} module the module object from the build config info. + * @param {Object} the build config object. + * + * @returns {Object} layer information about what paths and modules should + * be in the flattened module. + */ + build.traceDependencies = function (module, config) { + var include, override, layer, context, baseConfig, oldContext; + + //Reset some state set up in requirePatch.js, and clean up require's + //current context. + oldContext = require._buildReset(); + + //Grab the reset layer and context after the reset, but keep the + //old config to reuse in the new context. + baseConfig = oldContext.config; + layer = require._layer; + context = layer.context; + + //Put back basic config, use a fresh object for it. + //WARNING: probably not robust for paths and packages/packagePaths, + //since those property's objects can be modified. But for basic + //config clone it works out. + require(lang.delegate(baseConfig)); + + logger.trace("\nTracing dependencies for: " + (module.name || module.out)); + include = module.name && !module.create ? [module.name] : []; + if (module.include) { + include = include.concat(module.include); + } + + //If there are overrides to basic config, set that up now.; + if (module.override) { + override = lang.delegate(baseConfig); + lang.mixin(override, module.override, true); + require(override); + } + + //Figure out module layer dependencies by calling require to do the work. + require(include); + + //Pull out the layer dependencies. + layer.specified = context.specified; + + //Reset config + if (module.override) { + require(baseConfig); + } + + return layer; + }; + + /** + * Uses the module build config object to create an flattened version + * of the module, with deep dependencies included. + * + * @param {Object} module the module object from the build config info. + * + * @param {Object} layer the layer object returned from build.traceDependencies. + * + * @param {Object} the build config object. + * + * @returns {Object} with two properties: "text", the text of the flattened + * module, and "buildText", a string of text representing which files were + * included in the flattened module text. + */ + build.flattenModule = function (module, layer, config) { + var buildFileContents = "", + namespace = config.namespace ? config.namespace + '.' : '', + context = layer.context, + path, reqIndex, fileContents, currContents, + i, moduleName, + parts, builder, writeApi; + + //Use override settings, particularly for pragmas + if (module.override) { + config = lang.delegate(config); + lang.mixin(config, module.override, true); + } + + //Start build output for the module. + buildFileContents += "\n" + + (config.dir ? module._buildPath.replace(config.dir, "") : module._buildPath) + + "\n----------------\n"; + + //If there was an existing file with require in it, hoist to the top. + if (layer.existingRequireUrl) { + reqIndex = layer.buildFilePaths.indexOf(layer.existingRequireUrl); + if (reqIndex !== -1) { + layer.buildFilePaths.splice(reqIndex, 1); + layer.buildFilePaths.unshift(layer.existingRequireUrl); + } + } + + //Write the built module to disk, and build up the build output. + fileContents = ""; + for (i = 0; (path = layer.buildFilePaths[i]); i++) { + moduleName = layer.buildFileToModule[path]; + + //Figure out if the module is a result of a build plugin, and if so, + //then delegate to that plugin. + parts = context.makeModuleMap(moduleName); + builder = parts.prefix && context.pluginBuilders[parts.prefix]; + if (builder) { + if (builder.write) { + writeApi = function (input) { + fileContents += input; + }; + writeApi.asModule = function (moduleName, input) { + fileContents += "\n" + build.toTransport(namespace, moduleName, path, input, layer); + }; + builder.write(parts.prefix, parts.name, writeApi); + } + } else { + currContents = file.readFile(path); + + if (config.namespace) { + currContents = pragma.namespace(currContents, config.namespace); + } + + currContents = build.toTransport(namespace, moduleName, path, currContents, layer); + + fileContents += "\n" + currContents; + } + + buildFileContents += path.replace(config.dir, "") + "\n"; + //Some files may not have declared a require module, and if so, + //put in a placeholder call so the require does not try to load them + //after the module is processed. + //If we have a name, but no defined module, then add in the placeholder. + if (moduleName && !layer.modulesWithNames[moduleName] && !config.skipModuleInsertion) { + //If including jquery, register the module correctly, otherwise + //register an empty function. For jquery, make sure jQuery is + //a real object, and perhaps not some other file mapping, like + //to zepto. + if (moduleName === 'jquery') { + fileContents += '\n(function () {\n' + + 'var jq = typeof jQuery !== "undefined" && jQuery;\n' + + namespace + + 'define("jquery", [], function () { return jq; });\n' + + '}());\n'; + } else { + fileContents += '\n' + namespace + 'define("' + moduleName + '", function(){});\n'; + } + } + } + + return { + text: config.wrap ? + config.wrap.start + fileContents + config.wrap.end : + fileContents, + buildText: buildFileContents + }; + }; + + //This regexp is not bullet-proof, and it has one optional part to + //avoid issues with some Dojo transition modules that use a + //define(\n//begin v1.x content + //for a comment. + build.anonDefRegExp = /(^|[^\.])(require\s*\.\s*def|define)\s*\(\s*(\/\/[^\n\r]*[\r\n])?(\[|f|\{)/; + + build.toTransport = function (namespace, moduleName, path, contents, layer) { + //If anonymous module, insert the module name. + return contents.replace(build.anonDefRegExp, function (match, start, callName, possibleComment, suffix) { + layer.modulesWithNames[moduleName] = true; + + //Look for CommonJS require calls inside the function if this is + //an anonymous define/require.def call that just has a function registered. + var deps = null; + if (suffix.indexOf('f') !== -1) { + deps = parse.getAnonDeps(path, contents); + + if (deps.length) { + deps = deps.map(function (dep) { + return "'" + dep + "'"; + }); + } else { + deps = []; + } + } + + return start + namespace + "define('" + moduleName + "'," + + (deps ? ('[' + deps.toString() + '],') : '') + + suffix; + }); + + }; + + return build; +}); + + } + + + /** + * Sets the default baseUrl for requirejs to be directory of top level + * script. + */ + function setBaseUrl(fileName) { + //Use the file name's directory as the baseUrl if available. + dir = fileName.replace(/\\/g, '/'); + if (dir.indexOf('/') !== -1) { + dir = dir.split('/'); + dir.pop(); + dir = dir.join('/'); + exec("require({baseUrl: '" + dir + "'});"); + } + } + + //If in Node, and included via a require('requirejs'), just export and + //THROW IT ON THE GROUND! + if (env === 'node' && reqMain !== module) { + setBaseUrl(path.resolve(reqMain ? reqMain.filename : '.')); + + //Create a method that will run the optimzer given an object + //config. + requirejs.optimize = function (config, callback) { + if (!loadedOptimizedLib) { + loadLib(); + loadedOptimizedLib = true; + } + + //Create the function that will be called once build modules + //have been loaded. + var runBuild = function (build, logger) { + //Make sure config has a log level, and if not, + //make it "silent" by default. + config.logLevel = config.logLevel || logger.SILENT; + + var result = build(config); + + //Reset build internals on each run. + requirejs._buildReset(); + + callback(result); + }; + + //Enable execution of this callback in a build setting. + //Normally, once requirePatch is run, by default it will + //not execute callbacks, unless this property is set on + //the callback. + runBuild.__requireJsBuild = true; + + requirejs({ + context: 'build' + }, ['build', 'logger'], runBuild); + }; + + module.exports = requirejs; + return; + } + + if (commandOption === 'o') { + //Do the optimizer work. + loadLib(); + + /** + * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/requirejs for details + */ + +/* + * Create a build.js file that has the build options you want and pass that + * build file to this file to do the build. See example.build.js for more information. + */ + +/*jslint strict: false, nomen: false */ +/*global require: false */ + +require({ + baseUrl: require.s.contexts._.config.baseUrl, + //Use a separate context than the default context so that the + //build can use the default context. + context: 'build', + catchError: { + define: true + } +}, ['env!env/args', 'build'], +function (args, build) { + build(args); +}); + + + } else if (commandOption === 'v') { + console.log('r.js: ' + version + ', RequireJS: ' + this.requirejsVars.require.version); + } else if (commandOption === 'convert') { + loadLib(); + + this.requirejsVars.require(['env!env/args', 'commonJs', 'env!env/print'], + function (args, commonJs, print) { + + var srcDir, outDir; + srcDir = args[0]; + outDir = args[1]; + + if (!srcDir || !outDir) { + print('Usage: path/to/commonjs/modules output/dir'); + return; + } + + commonJs.convertDir(args[0], args[1]); + }); + } else { + //Just run an app + + //Load the bundled libraries for use in the app. + if (commandOption === 'lib') { + loadLib(); + } + + setBaseUrl(fileName); + + if (exists(fileName)) { + exec(readFile(fileName), fileName); + } else { + showHelp(); + } + } + +}((typeof console !== 'undefined' ? console : undefined), + (typeof Packages !== 'undefined' ? Array.prototype.slice.call(arguments, 0) : []), + (typeof readFile !== 'undefined' ? readFile : undefined)));