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executable file 170 lines (138 sloc) 4.95 kB
#!/usr/bin/env node
/*
* Copyright 2011 Twitter, Inc.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// dependencies
var hogan = require('../lib/hogan.js')
, path = require('path')
, nopt = require('nopt')
, mkderp = require('mkdirp')
, fs = require('fs');
// locals
var specials = ['/', '.', '*', '+', '?', '|','(', ')', '[', ']', '{', '}', '\\']
, specialsRegExp = new RegExp('(\\' + specials.join('|\\') + ')', 'g')
, options = {
'namespace': String,
'outputdir': path,
'variable': String,
'wrapper': String,
'version': true,
'help': true
}
, shortHand = {
'n': ['--namespace'],
'o': ['--outputdir'],
'v': ['--variable'],
'w': ['--wrapper'],
'h': ['--help'],
'v': ['--version']
}
, templates;
// options
options = nopt(options, shortHand);
// escape special regexp characters
function esc(text) {
return text.replace(specialsRegExp, '\\$1');
}
// cyan function for rob
function cyan(text) {
return '\033[36m' + text + '\033[39m';
}
// check for dirs and correct ext (<3 for windows)
function extractFiles(args) {
var usage = '\n' +
cyan('USAGE:') + ' hulk [--wrapper wrapper] [--outputdir outputdir] [--namespace namespace] [--variable variable] FILES\n\n' +
cyan('OPTIONS:') + ' [-w, --wrapper] :: wraps the template (i.e. amd)\n' +
' [-o, --outputdir] :: outputs the templates as individual files to a directory\n\n' +
' [-n, --namespace] :: prepend string to template names\n\n' +
' [-v, --variable] :: variable name for non-amd wrapper\n\n' +
cyan('EXAMPLE:') + ' hulk --wrapper amd ./templates/*.mustache\n\n' +
cyan('NOTE:') + ' hulk supports the "*" wildcard and allows you to target specific extensions too\n',
files = [];
if (options.version) {
console.log(require('../package.json').version);
process.exit(0);
}
if (!args.length || options.help) {
console.log(usage);
process.exit(0);
}
args.forEach(function (arg) {
if (/\*/.test(arg)) {
arg = arg.split('*');
return files = files.concat(
fs.readdirSync(arg[0] || '.')
.map(function (f) {
var file = path.join(arg[0], f);
return new RegExp(esc(arg[1]) + '$').test(f) && fs.statSync(file).isFile() && file;
})
.filter(function (f) {
return f;
})
);
}
if (fs.statSync(arg).isFile()) files.push(arg);
})
return files;
}
// remove utf-8 byte order mark, http://en.wikipedia.org/wiki/Byte_order_mark
function removeByteOrderMark(text) {
if (text.charCodeAt(0) === 0xfeff) {
return text.substring(1);
}
return text;
}
// wrap templates
function wrap(file, name, openedFile) {
switch(options.wrapper) {
case "amd":
return 'define('+ (!options.outputdir ? '"' + path.join(path.dirname(file), name) + '", ' : '') + '[ "hogan.js" ], function(Hogan){ return new Hogan.Template(' + hogan.compile(openedFile, { asString: 1 }) + ');});';
default:
return (options.variable || 'templates')
+ '["' + name + '"] = new Hogan.Template('
+ hogan.compile(openedFile, { asString: 1 })
+ ');';
}
}
// write the directory
if (options.outputdir) {
mkderp.sync(options.outputdir);
}
// Prepend namespace to template name
function namespace(name) {
return (options.namespace || '') + name;
}
// write a template foreach file that matches template extension
templates = extractFiles(options.argv.remain)
.map(function (file) {
var openedFile = fs.readFileSync(file, 'utf-8'), name;
if (!openedFile) return;
name = namespace(path.basename(file).replace(/\..*$/, ''));
openedFile = removeByteOrderMark(openedFile.trim());
openedFile = wrap(file, name, openedFile);
if (!options.outputdir) return openedFile;
var vn = options.variable || 'templates';
fs.writeFileSync(path.join(options.outputdir, name + '.js')
, 'if (!!!' + vn + ') var ' + vn + ' = {};\n' + openedFile);
})
.filter(function (t) {
return t;
});
// output templates
if (!templates.length || options.outputdir) process.exit(0);
if (!options.wrapper) {
var vn = options.variable || 'templates';
console.log('if (!!!' + vn + ') var ' + vn + ' = {};');
}
console.log(templates.join('\n'));
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