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index.js
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index.js
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'use strict';
var fs = require('fs');
var path = require('path');
var async = require('async');
var del = require('del');
var mm = require('micromatch');
var mdu = require('markdown-utils');
var relative = require('relative');
var mkdirp = require('mkdirp');
var chalk = require('chalk');
var symbol = require('log-symbols');
var _ = require('lodash');
var bold = chalk.bold;
/**
* Expose `utils`
*/
var utils = module.exports = require('export-files')(__dirname);
/**
* Detect if the user has specfied not to render a vinyl template.
*
* @return {Boolean}
*/
utils.norender = function norender(app, file, locals) {
return app.isTrue('norender') || app.isFalse('render')
|| file.norender === true || file.render === false
|| locals.norender === true || locals.render === false;
};
/**
* Create a url from the given `domain`, optionally pass `true`
* as the second argument to use `https` as the protocol.
*
* @param {String} `domain`
* @param {String} `https`
* @return {String}
*/
utils.linkify = function linkify(domain, https) {
return function (author) {
if (typeof author !== 'object') {
throw new TypeError('utils.linkify expects author to be an object.');
}
var username = author.username;
if (typeof username === 'undefined') {
username = this.context[domain] && this.context[domain].username;
}
if (typeof username === 'undefined') {
username = this.config.get(domain + '.username');
}
if (typeof username === 'object') {
var o = username;
username = o.username;
}
if (!username) return '';
var protocol = https ? 'https://' : 'http://';
var res = mdu.link(domain + '/' + username, protocol + domain + '.com/' + username);
return '+ ' + res;
};
};
/**
* Bind a `thisArg` to all the functions on the target
*
* @param {Object|Array} `target` Object or Array with functions as values that will be bound.
* @param {Object} `thisArg` Object to bind to the functions
* @return {Object|Array} Object or Array with bound functions.
*/
utils.bindAll = function bindAll(target, thisArg) {
if (Array.isArray(target)) {
return target.map(function (fn) {
return _.bind(fn, thisArg);
});
}
return _.reduce(target, function (acc, fn, key) {
if (typeof fn === 'object' && typeof fn !== 'function') {
acc[key] = utils.bindAll(fn, thisArg);
} else {
acc[key] = _.bind(fn, thisArg);
if (fn.async) {
acc[key].async = fn.async;
}
}
return acc;
}, {});
};
/**
* Returns a matching function to use against
* the list of given files.
*/
utils.files = function files_(arr) {
return function(pattern, options) {
return mm(arr, pattern, options);
};
};
/**
* Run middleware in series
*/
utils.series = function series(fns) {
return function (file, cb) {
async.eachSeries(fns, function (fn, next) {
fn(file, next);
}, cb);
};
};
/**
* Push a collection of templates into the stream (as vinyl files)
*/
utils.pushToStream = function pushToStream(collection, stream, fn) {
var i = 0;
for (var key in collection) {
if (collection.hasOwnProperty(key)) {
var file = collection[key];
stream.push(fn ? fn(file, i++) : file);
}
}
};
utils.copy = function copy(src, dest) {
fs.createReadStream(src).pipe(fs.createWriteStream(dest));
};
utils.copyFiles = function copyFiles(files, dest) {
for (var i = 0; i < files.length; i++) {
var fp = files[i];
utils.copy(fp, path.join(dest, path.basename(fp)));
}
};
utils.del = function del_(fp, opts) {
if (!fs.existsSync(fp)) {
if (opts && opts.silent !== true) {
console.log(symbol.error, bold(fp), 'does not exist.');
}
} else {
del.sync(fp, opts && opts.force);
console.log(symbol.success, 'deleted', bold(fp));
}
};
utils.rename = function rename(src, dest, opts) {
opts = opts || {};
if (path.resolve(src) === path.resolve(dest)) {
if (opts.silent !== true) {
console.log(symbol.warning, bold(src), 'and', bold(dest), 'are the same path.');
}
} else if (!fs.existsSync(src)) {
if (opts.silent !== true) {
console.log(symbol.error, bold(src), 'does not exist.');
}
} else if (fs.existsSync(dest) && opts.force !== true) {
if (opts.silent !== true) {
console.log(symbol.warning, bold(dest), 'already exists (to force, pass `true` as the last argument).');
}
} else {
console.log(symbol.success, 'renamed', bold(src), '=>', bold(dest));
fs.renameSync(src, dest);
}
};
utils.move = function move(src, dest, force) {
var dir = path.dirname(dest);
if (!fs.existsSync(dir)) {
mkdirp.sync(dir);
}
utils.rename(src, dest, force);
};
/**
* Cast `val` to an array.
*/
utils.arrayify = function arrayify(val) {
var isArray = Array.isArray(val);
if (typeof val !== 'string' && !isArray) {
throw new Error('utils.arrayify() expects a string or array.');
}
return isArray ? val : [val];
};
/**
* Read a file
*/
utils.readFile = function readFile(fp) {
return fs.readFileSync(fp, 'utf8');
};
/**
* Write a file
*/
utils.writeFile = function writeFile(fp, str) {
return fs.writeFileSync(fp, str);
};
/**
* Creates a matching function to use against
* the list of given files.
*/
utils.match = function match(files) {
return function(pattern, options) {
return mm(files, pattern, options);
};
};
/**
* Get the basename of a file path, excluding extension.
*
* @param {String} `fp`
* @param {String} `ext` Optionally pass the extension.
*/
utils.basename = function basename(fp, ext) {
return fp.substr(0, fp.length - (ext || path.extname(fp)).length);
};
/**
* Default `renameKey` function.
*/
utils.renameKey = function renameKey(fp, acc, opts) {
fp = relative.toBase(opts.cwd, fp);
return utils.basename(fp);
};
/**
* Try to call `fn` on `filepath`, either returning the
* result when successful, or failing silently and
* returning null.
*/
utils.tryCatch = function tryCatch(fn, fp) {
try {
return fn(path.resolve(fp));
} catch(err) {}
return null;
};
/**
* Try to resolve the given path, or fail silently
*/
utils.tryRequire = function tryRequire(fp) {
return utils.tryCatch(require, fp);
};
/**
* Try to resolve the given path, or fail silently
*/
utils.tryResolve = function tryResolve(fp) {
return utils.tryCatch(require.resolve, fp);
};
/**
* Try to read a file, or fail silently
*/
utils.tryRead = function tryRead(fp) {
return utils.tryCatch(utils.readFile, fp);
};
/**
* Try to read a directory of files. Silently catches
* any errors and returns an empty array.
*/
utils.tryStat = function tryStat(fp) {
return utils.tryCatch(fs.statSync, fp);
};
/**
* Read a file
*/
utils.tryReadJson = function tryReadJson(fp) {
try {
return JSON.parse(utils.readFile(fp));
} catch(err) {}
return null;
};
/**
* Try to read a directory of files. Silently catches
* any errors and returns an empty array.
*/
utils.tryReaddir = function tryReaddir(fp) {
try {
return fs.readdirSync(fp);
} catch (err) {}
return [];
};
/**
* Expose `utils`
*/
module.exports = utils;