751 lines
18 KiB
JavaScript
751 lines
18 KiB
JavaScript
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/* eslint-env browser */
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/**
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* Module dependencies.
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*/
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var basename = require('path').basename;
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var debug = require('debug')('mocha:watch');
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var exists = require('fs').existsSync || require('path').existsSync;
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var glob = require('glob');
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var join = require('path').join;
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var readdirSync = require('fs').readdirSync;
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var statSync = require('fs').statSync;
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var watchFile = require('fs').watchFile;
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var toISOString = require('to-iso-string');
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/**
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* Ignored directories.
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*/
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var ignore = ['node_modules', '.git'];
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exports.inherits = require('util').inherits;
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/**
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* Escape special characters in the given string of html.
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*
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* @api private
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* @param {string} html
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* @return {string}
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*/
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exports.escape = function(html) {
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return String(html)
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.replace(/&/g, '&')
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.replace(/"/g, '"')
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.replace(/</g, '<')
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.replace(/>/g, '>');
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};
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/**
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* Array#forEach (<=IE8)
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*
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* @api private
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* @param {Array} arr
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* @param {Function} fn
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* @param {Object} scope
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*/
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exports.forEach = function(arr, fn, scope) {
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for (var i = 0, l = arr.length; i < l; i++) {
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fn.call(scope, arr[i], i);
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}
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};
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/**
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* Test if the given obj is type of string.
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*
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* @api private
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* @param {Object} obj
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* @return {boolean}
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*/
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exports.isString = function(obj) {
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return typeof obj === 'string';
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};
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/**
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* Array#map (<=IE8)
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*
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* @api private
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* @param {Array} arr
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* @param {Function} fn
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* @param {Object} scope
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* @return {Array}
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*/
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exports.map = function(arr, fn, scope) {
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var result = [];
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for (var i = 0, l = arr.length; i < l; i++) {
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result.push(fn.call(scope, arr[i], i, arr));
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}
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return result;
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};
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/**
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* Array#indexOf (<=IE8)
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*
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* @api private
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* @param {Array} arr
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* @param {Object} obj to find index of
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* @param {number} start
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* @return {number}
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*/
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exports.indexOf = function(arr, obj, start) {
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for (var i = start || 0, l = arr.length; i < l; i++) {
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if (arr[i] === obj) {
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return i;
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}
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}
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return -1;
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};
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/**
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* Array#reduce (<=IE8)
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*
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* @api private
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* @param {Array} arr
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* @param {Function} fn
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* @param {Object} val Initial value.
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* @return {*}
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*/
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exports.reduce = function(arr, fn, val) {
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var rval = val;
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for (var i = 0, l = arr.length; i < l; i++) {
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rval = fn(rval, arr[i], i, arr);
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}
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return rval;
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};
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/**
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* Array#filter (<=IE8)
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*
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* @api private
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* @param {Array} arr
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* @param {Function} fn
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* @return {Array}
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*/
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exports.filter = function(arr, fn) {
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var ret = [];
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for (var i = 0, l = arr.length; i < l; i++) {
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var val = arr[i];
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if (fn(val, i, arr)) {
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ret.push(val);
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}
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}
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return ret;
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};
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/**
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* Object.keys (<=IE8)
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*
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* @api private
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* @param {Object} obj
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* @return {Array} keys
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*/
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exports.keys = typeof Object.keys === 'function' ? Object.keys : function(obj) {
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var keys = [];
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var has = Object.prototype.hasOwnProperty; // for `window` on <=IE8
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for (var key in obj) {
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if (has.call(obj, key)) {
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keys.push(key);
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}
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}
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return keys;
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};
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/**
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* Watch the given `files` for changes
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* and invoke `fn(file)` on modification.
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*
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* @api private
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* @param {Array} files
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* @param {Function} fn
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*/
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exports.watch = function(files, fn) {
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var options = { interval: 100 };
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files.forEach(function(file) {
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debug('file %s', file);
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watchFile(file, options, function(curr, prev) {
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if (prev.mtime < curr.mtime) {
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fn(file);
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}
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});
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});
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};
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/**
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* Array.isArray (<=IE8)
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*
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* @api private
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* @param {Object} obj
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* @return {Boolean}
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*/
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var isArray = typeof Array.isArray === 'function' ? Array.isArray : function(obj) {
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return Object.prototype.toString.call(obj) === '[object Array]';
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};
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exports.isArray = isArray;
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/**
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* Buffer.prototype.toJSON polyfill.
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*
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* @type {Function}
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*/
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if (typeof Buffer !== 'undefined' && Buffer.prototype) {
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Buffer.prototype.toJSON = Buffer.prototype.toJSON || function() {
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return Array.prototype.slice.call(this, 0);
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};
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}
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/**
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* Ignored files.
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*
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* @api private
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* @param {string} path
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* @return {boolean}
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*/
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function ignored(path) {
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return !~ignore.indexOf(path);
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}
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/**
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* Lookup files in the given `dir`.
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*
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* @api private
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* @param {string} dir
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* @param {string[]} [ext=['.js']]
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* @param {Array} [ret=[]]
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* @return {Array}
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*/
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exports.files = function(dir, ext, ret) {
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ret = ret || [];
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ext = ext || ['js'];
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var re = new RegExp('\\.(' + ext.join('|') + ')$');
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readdirSync(dir)
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.filter(ignored)
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.forEach(function(path) {
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path = join(dir, path);
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if (statSync(path).isDirectory()) {
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exports.files(path, ext, ret);
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} else if (path.match(re)) {
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ret.push(path);
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}
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});
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return ret;
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};
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/**
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* Compute a slug from the given `str`.
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*
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* @api private
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* @param {string} str
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* @return {string}
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*/
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exports.slug = function(str) {
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return str
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.toLowerCase()
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.replace(/ +/g, '-')
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.replace(/[^-\w]/g, '');
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};
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/**
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* Strip the function definition from `str`, and re-indent for pre whitespace.
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*
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* @param {string} str
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* @return {string}
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*/
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exports.clean = function(str) {
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str = str
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.replace(/\r\n?|[\n\u2028\u2029]/g, '\n').replace(/^\uFEFF/, '')
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.replace(/^function *\(.*\)\s*\{|\(.*\) *=> *\{?/, '')
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.replace(/\s+\}$/, '');
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var spaces = str.match(/^\n?( *)/)[1].length;
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var tabs = str.match(/^\n?(\t*)/)[1].length;
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var re = new RegExp('^\n?' + (tabs ? '\t' : ' ') + '{' + (tabs ? tabs : spaces) + '}', 'gm');
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str = str.replace(re, '');
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return exports.trim(str);
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};
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/**
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* Trim the given `str`.
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*
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* @api private
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* @param {string} str
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* @return {string}
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*/
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exports.trim = function(str) {
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return str.replace(/^\s+|\s+$/g, '');
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};
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/**
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* Parse the given `qs`.
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*
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* @api private
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* @param {string} qs
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* @return {Object}
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*/
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exports.parseQuery = function(qs) {
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return exports.reduce(qs.replace('?', '').split('&'), function(obj, pair) {
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var i = pair.indexOf('=');
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var key = pair.slice(0, i);
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var val = pair.slice(++i);
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obj[key] = decodeURIComponent(val);
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return obj;
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}, {});
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};
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/**
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* Highlight the given string of `js`.
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*
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* @api private
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* @param {string} js
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* @return {string}
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*/
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function highlight(js) {
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return js
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/\/\/(.*)/gm, '<span class="comment">//$1</span>')
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.replace(/('.*?')/gm, '<span class="string">$1</span>')
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.replace(/(\d+\.\d+)/gm, '<span class="number">$1</span>')
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.replace(/(\d+)/gm, '<span class="number">$1</span>')
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.replace(/\bnew[ \t]+(\w+)/gm, '<span class="keyword">new</span> <span class="init">$1</span>')
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.replace(/\b(function|new|throw|return|var|if|else)\b/gm, '<span class="keyword">$1</span>');
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}
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/**
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* Highlight the contents of tag `name`.
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*
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* @api private
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* @param {string} name
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*/
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exports.highlightTags = function(name) {
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var code = document.getElementById('mocha').getElementsByTagName(name);
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for (var i = 0, len = code.length; i < len; ++i) {
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code[i].innerHTML = highlight(code[i].innerHTML);
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}
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};
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/**
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* If a value could have properties, and has none, this function is called,
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* which returns a string representation of the empty value.
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*
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* Functions w/ no properties return `'[Function]'`
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* Arrays w/ length === 0 return `'[]'`
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* Objects w/ no properties return `'{}'`
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* All else: return result of `value.toString()`
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*
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* @api private
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* @param {*} value The value to inspect.
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* @param {string} [type] The type of the value, if known.
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* @returns {string}
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*/
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function emptyRepresentation(value, type) {
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type = type || exports.type(value);
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switch (type) {
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case 'function':
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return '[Function]';
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case 'object':
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return '{}';
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case 'array':
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return '[]';
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default:
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return value.toString();
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}
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}
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/**
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* Takes some variable and asks `Object.prototype.toString()` what it thinks it
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* is.
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*
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* @api private
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* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
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* @param {*} value The value to test.
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* @returns {string}
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* @example
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* type({}) // 'object'
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* type([]) // 'array'
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* type(1) // 'number'
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* type(false) // 'boolean'
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* type(Infinity) // 'number'
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* type(null) // 'null'
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* type(new Date()) // 'date'
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* type(/foo/) // 'regexp'
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* type('type') // 'string'
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* type(global) // 'global'
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*/
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exports.type = function type(value) {
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if (value === undefined) {
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return 'undefined';
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} else if (value === null) {
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return 'null';
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} else if (typeof Buffer !== 'undefined' && Buffer.isBuffer(value)) {
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return 'buffer';
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}
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return Object.prototype.toString.call(value)
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.replace(/^\[.+\s(.+?)\]$/, '$1')
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.toLowerCase();
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};
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/**
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* Stringify `value`. Different behavior depending on type of value:
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*
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|
|
* - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively.
|
||
|
|
* - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes.
|
||
|
|
* - If `value` is an *empty* object, function, or array, return result of function
|
||
|
|
* {@link emptyRepresentation}.
|
||
|
|
* - If `value` has properties, call {@link exports.canonicalize} on it, then return result of
|
||
|
|
* JSON.stringify().
|
||
|
|
*
|
||
|
|
* @api private
|
||
|
|
* @see exports.type
|
||
|
|
* @param {*} value
|
||
|
|
* @return {string}
|
||
|
|
*/
|
||
|
|
exports.stringify = function(value) {
|
||
|
|
var type = exports.type(value);
|
||
|
|
|
||
|
|
if (!~exports.indexOf(['object', 'array', 'function'], type)) {
|
||
|
|
if (type !== 'buffer') {
|
||
|
|
return jsonStringify(value);
|
||
|
|
}
|
||
|
|
var json = value.toJSON();
|
||
|
|
// Based on the toJSON result
|
||
|
|
return jsonStringify(json.data && json.type ? json.data : json, 2)
|
||
|
|
.replace(/,(\n|$)/g, '$1');
|
||
|
|
}
|
||
|
|
|
||
|
|
for (var prop in value) {
|
||
|
|
if (Object.prototype.hasOwnProperty.call(value, prop)) {
|
||
|
|
return jsonStringify(exports.canonicalize(value), 2).replace(/,(\n|$)/g, '$1');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return emptyRepresentation(value, type);
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* like JSON.stringify but more sense.
|
||
|
|
*
|
||
|
|
* @api private
|
||
|
|
* @param {Object} object
|
||
|
|
* @param {number=} spaces
|
||
|
|
* @param {number=} depth
|
||
|
|
* @returns {*}
|
||
|
|
*/
|
||
|
|
function jsonStringify(object, spaces, depth) {
|
||
|
|
if (typeof spaces === 'undefined') {
|
||
|
|
// primitive types
|
||
|
|
return _stringify(object);
|
||
|
|
}
|
||
|
|
|
||
|
|
depth = depth || 1;
|
||
|
|
var space = spaces * depth;
|
||
|
|
var str = isArray(object) ? '[' : '{';
|
||
|
|
var end = isArray(object) ? ']' : '}';
|
||
|
|
var length = typeof object.length === 'number' ? object.length : exports.keys(object).length;
|
||
|
|
// `.repeat()` polyfill
|
||
|
|
function repeat(s, n) {
|
||
|
|
return new Array(n).join(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
function _stringify(val) {
|
||
|
|
switch (exports.type(val)) {
|
||
|
|
case 'null':
|
||
|
|
case 'undefined':
|
||
|
|
val = '[' + val + ']';
|
||
|
|
break;
|
||
|
|
case 'array':
|
||
|
|
case 'object':
|
||
|
|
val = jsonStringify(val, spaces, depth + 1);
|
||
|
|
break;
|
||
|
|
case 'boolean':
|
||
|
|
case 'regexp':
|
||
|
|
case 'symbol':
|
||
|
|
case 'number':
|
||
|
|
val = val === 0 && (1 / val) === -Infinity // `-0`
|
||
|
|
? '-0'
|
||
|
|
: val.toString();
|
||
|
|
break;
|
||
|
|
case 'date':
|
||
|
|
var sDate;
|
||
|
|
if (isNaN(val.getTime())) { // Invalid date
|
||
|
|
sDate = val.toString();
|
||
|
|
} else {
|
||
|
|
sDate = val.toISOString ? val.toISOString() : toISOString(val);
|
||
|
|
}
|
||
|
|
val = '[Date: ' + sDate + ']';
|
||
|
|
break;
|
||
|
|
case 'buffer':
|
||
|
|
var json = val.toJSON();
|
||
|
|
// Based on the toJSON result
|
||
|
|
json = json.data && json.type ? json.data : json;
|
||
|
|
val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']';
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
val = (val === '[Function]' || val === '[Circular]')
|
||
|
|
? val
|
||
|
|
: JSON.stringify(val); // string
|
||
|
|
}
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (var i in object) {
|
||
|
|
if (!Object.prototype.hasOwnProperty.call(object, i)) {
|
||
|
|
continue; // not my business
|
||
|
|
}
|
||
|
|
--length;
|
||
|
|
str += '\n ' + repeat(' ', space)
|
||
|
|
+ (isArray(object) ? '' : '"' + i + '": ') // key
|
||
|
|
+ _stringify(object[i]) // value
|
||
|
|
+ (length ? ',' : ''); // comma
|
||
|
|
}
|
||
|
|
|
||
|
|
return str
|
||
|
|
// [], {}
|
||
|
|
+ (str.length !== 1 ? '\n' + repeat(' ', --space) + end : end);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Test if a value is a buffer.
|
||
|
|
*
|
||
|
|
* @api private
|
||
|
|
* @param {*} value The value to test.
|
||
|
|
* @return {boolean} True if `value` is a buffer, otherwise false
|
||
|
|
*/
|
||
|
|
exports.isBuffer = function(value) {
|
||
|
|
return typeof Buffer !== 'undefined' && Buffer.isBuffer(value);
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return a new Thing that has the keys in sorted order. Recursive.
|
||
|
|
*
|
||
|
|
* If the Thing...
|
||
|
|
* - has already been seen, return string `'[Circular]'`
|
||
|
|
* - is `undefined`, return string `'[undefined]'`
|
||
|
|
* - is `null`, return value `null`
|
||
|
|
* - is some other primitive, return the value
|
||
|
|
* - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method
|
||
|
|
* - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again.
|
||
|
|
* - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()`
|
||
|
|
*
|
||
|
|
* @api private
|
||
|
|
* @see {@link exports.stringify}
|
||
|
|
* @param {*} value Thing to inspect. May or may not have properties.
|
||
|
|
* @param {Array} [stack=[]] Stack of seen values
|
||
|
|
* @return {(Object|Array|Function|string|undefined)}
|
||
|
|
*/
|
||
|
|
exports.canonicalize = function(value, stack) {
|
||
|
|
var canonicalizedObj;
|
||
|
|
/* eslint-disable no-unused-vars */
|
||
|
|
var prop;
|
||
|
|
/* eslint-enable no-unused-vars */
|
||
|
|
var type = exports.type(value);
|
||
|
|
function withStack(value, fn) {
|
||
|
|
stack.push(value);
|
||
|
|
fn();
|
||
|
|
stack.pop();
|
||
|
|
}
|
||
|
|
|
||
|
|
stack = stack || [];
|
||
|
|
|
||
|
|
if (exports.indexOf(stack, value) !== -1) {
|
||
|
|
return '[Circular]';
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (type) {
|
||
|
|
case 'undefined':
|
||
|
|
case 'buffer':
|
||
|
|
case 'null':
|
||
|
|
canonicalizedObj = value;
|
||
|
|
break;
|
||
|
|
case 'array':
|
||
|
|
withStack(value, function() {
|
||
|
|
canonicalizedObj = exports.map(value, function(item) {
|
||
|
|
return exports.canonicalize(item, stack);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
break;
|
||
|
|
case 'function':
|
||
|
|
/* eslint-disable guard-for-in */
|
||
|
|
for (prop in value) {
|
||
|
|
canonicalizedObj = {};
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
/* eslint-enable guard-for-in */
|
||
|
|
if (!canonicalizedObj) {
|
||
|
|
canonicalizedObj = emptyRepresentation(value, type);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
/* falls through */
|
||
|
|
case 'object':
|
||
|
|
canonicalizedObj = canonicalizedObj || {};
|
||
|
|
withStack(value, function() {
|
||
|
|
exports.forEach(exports.keys(value).sort(), function(key) {
|
||
|
|
canonicalizedObj[key] = exports.canonicalize(value[key], stack);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
break;
|
||
|
|
case 'date':
|
||
|
|
case 'number':
|
||
|
|
case 'regexp':
|
||
|
|
case 'boolean':
|
||
|
|
case 'symbol':
|
||
|
|
canonicalizedObj = value;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
canonicalizedObj = value + '';
|
||
|
|
}
|
||
|
|
|
||
|
|
return canonicalizedObj;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Lookup file names at the given `path`.
|
||
|
|
*
|
||
|
|
* @api public
|
||
|
|
* @param {string} path Base path to start searching from.
|
||
|
|
* @param {string[]} extensions File extensions to look for.
|
||
|
|
* @param {boolean} recursive Whether or not to recurse into subdirectories.
|
||
|
|
* @return {string[]} An array of paths.
|
||
|
|
*/
|
||
|
|
exports.lookupFiles = function lookupFiles(path, extensions, recursive) {
|
||
|
|
var files = [];
|
||
|
|
var re = new RegExp('\\.(' + extensions.join('|') + ')$');
|
||
|
|
|
||
|
|
if (!exists(path)) {
|
||
|
|
if (exists(path + '.js')) {
|
||
|
|
path += '.js';
|
||
|
|
} else {
|
||
|
|
files = glob.sync(path);
|
||
|
|
if (!files.length) {
|
||
|
|
throw new Error("cannot resolve path (or pattern) '" + path + "'");
|
||
|
|
}
|
||
|
|
return files;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
var stat = statSync(path);
|
||
|
|
if (stat.isFile()) {
|
||
|
|
return path;
|
||
|
|
}
|
||
|
|
} catch (err) {
|
||
|
|
// ignore error
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
readdirSync(path).forEach(function(file) {
|
||
|
|
file = join(path, file);
|
||
|
|
try {
|
||
|
|
var stat = statSync(file);
|
||
|
|
if (stat.isDirectory()) {
|
||
|
|
if (recursive) {
|
||
|
|
files = files.concat(lookupFiles(file, extensions, recursive));
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
} catch (err) {
|
||
|
|
// ignore error
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!stat.isFile() || !re.test(file) || basename(file)[0] === '.') {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
files.push(file);
|
||
|
|
});
|
||
|
|
|
||
|
|
return files;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generate an undefined error with a message warning the user.
|
||
|
|
*
|
||
|
|
* @return {Error}
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.undefinedError = function() {
|
||
|
|
return new Error('Caught undefined error, did you throw without specifying what?');
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generate an undefined error if `err` is not defined.
|
||
|
|
*
|
||
|
|
* @param {Error} err
|
||
|
|
* @return {Error}
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.getError = function(err) {
|
||
|
|
return err || exports.undefinedError();
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @summary
|
||
|
|
* This Filter based on `mocha-clean` module.(see: `github.com/rstacruz/mocha-clean`)
|
||
|
|
* @description
|
||
|
|
* When invoking this function you get a filter function that get the Error.stack as an input,
|
||
|
|
* and return a prettify output.
|
||
|
|
* (i.e: strip Mocha and internal node functions from stack trace).
|
||
|
|
* @returns {Function}
|
||
|
|
*/
|
||
|
|
exports.stackTraceFilter = function() {
|
||
|
|
// TODO: Replace with `process.browser`
|
||
|
|
var slash = '/';
|
||
|
|
var is = typeof document === 'undefined' ? { node: true } : { browser: true };
|
||
|
|
var cwd = is.node
|
||
|
|
? process.cwd() + slash
|
||
|
|
: (typeof location === 'undefined' ? window.location : location).href.replace(/\/[^\/]*$/, '/');
|
||
|
|
|
||
|
|
function isMochaInternal(line) {
|
||
|
|
return (~line.indexOf('node_modules' + slash + 'mocha' + slash))
|
||
|
|
|| (~line.indexOf('components' + slash + 'mochajs' + slash))
|
||
|
|
|| (~line.indexOf('components' + slash + 'mocha' + slash))
|
||
|
|
|| (~line.indexOf(slash + 'mocha.js'));
|
||
|
|
}
|
||
|
|
|
||
|
|
function isNodeInternal(line) {
|
||
|
|
return (~line.indexOf('(timers.js:'))
|
||
|
|
|| (~line.indexOf('(events.js:'))
|
||
|
|
|| (~line.indexOf('(node.js:'))
|
||
|
|
|| (~line.indexOf('(module.js:'))
|
||
|
|
|| (~line.indexOf('GeneratorFunctionPrototype.next (native)'))
|
||
|
|
|| false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return function(stack) {
|
||
|
|
stack = stack.split('\n');
|
||
|
|
|
||
|
|
stack = exports.reduce(stack, function(list, line) {
|
||
|
|
if (isMochaInternal(line)) {
|
||
|
|
return list;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (is.node && isNodeInternal(line)) {
|
||
|
|
return list;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Clean up cwd(absolute)
|
||
|
|
if (/\(?.+:\d+:\d+\)?$/.test(line)) {
|
||
|
|
line = line.replace(cwd, '');
|
||
|
|
}
|
||
|
|
|
||
|
|
list.push(line);
|
||
|
|
return list;
|
||
|
|
}, []);
|
||
|
|
|
||
|
|
return stack.join('\n');
|
||
|
|
};
|
||
|
|
};
|