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Diffstat (limited to 'node_modules/mocha/lib/utils.js')
| -rw-r--r-- | node_modules/mocha/lib/utils.js | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/node_modules/mocha/lib/utils.js b/node_modules/mocha/lib/utils.js new file mode 100644 index 0000000..22a942e --- /dev/null +++ b/node_modules/mocha/lib/utils.js @@ -0,0 +1,189 @@ + +/** + * Module dependencies. + */ + +var fs = require('fs') + , path = require('path') + , join = path.join + , debug = require('debug')('watch'); + +/** + * Ignored directories. + */ + +var ignore = ['node_modules', '.git']; + +/** + * Escape special characters in the given string of html. + * + * @param {String} html + * @return {String} + * @api private + */ + +exports.escape = function(html) { + return String(html) + .replace(/&/g, '&') + .replace(/"/g, '"') + .replace(/</g, '<') + .replace(/>/g, '>'); +}; + +/** + * Array#forEach (<=IE8) + * + * @param {Array} array + * @param {Function} fn + * @param {Object} scope + * @api private + */ + +exports.forEach = function(arr, fn, scope) { + for (var i = 0, l = arr.length; i < l; i++) + fn.call(scope, arr[i], i); +}; + +/** + * Array#indexOf (<=IE8) + * + * @parma {Array} arr + * @param {Object} obj to find index of + * @param {Number} start + * @api private + */ + +exports.indexOf = function (arr, obj, start) { + for (var i = start || 0, l = arr.length; i < l; i++) { + if (arr[i] === obj) + return i; + } + return -1; +}; + +/** + * Array#reduce (<=IE8) + * + * @param {Array} array + * @param {Function} fn + * @param {Object} initial value + * @param {Object} scope + * @api private + */ + +exports.reduce = function(arr, fn, val, scope) { + var rval = val; + + for (var i = 0, l = arr.length; i < l; i++) { + rval = fn.call(scope, rval, arr[i], i, arr); + } + + return rval; +}; + +/** + * Array#filter (<=IE8) + * + * @param {Array} array + * @param {Function} fn + * @param {Object} scope + * @api private + */ + +exports.filter = function(arr, fn, scope) { + var ret = []; + + for (var i = 0, l = arr.length; i < l; i++) { + var val = arr[i]; + if (fn.call(scope, val, i, arr)) + ret.push(val); + } + + return ret; +}; + +/** + * Object.keys (<=IE8) + * + * @param {Object} obj + * @return {Array} keys + * @api private + */ + +exports.keys = Object.keys || function(obj) { + var keys = [] + , has = Object.prototype.hasOwnProperty // for `window` on <=IE8 + + for (var key in obj) { + if (has.call(obj, key)) { + keys.push(key); + } + } + + return keys; +}; + +/** + * Watch the given `files` for changes + * and invoke `fn(file)` on modification. + * + * @param {Array} files + * @param {Function} fn + * @api private + */ + +exports.watch = function(files, fn){ + var options = { interval: 100 }; + files.forEach(function(file){ + debug('file %s', file); + fs.watchFile(file, options, function(curr, prev){ + if (prev.mtime < curr.mtime) fn(file); + }); + }); +}; + +/** + * Ignored files. + */ + +function ignored(path){ + return !~ignore.indexOf(path); +} + +/** + * Lookup files in the given `dir`. + * + * @return {Array} + * @api private + */ + +exports.files = function(dir, ret){ + ret = ret || []; + + fs.readdirSync(dir) + .filter(ignored) + .forEach(function(path){ + path = join(dir, path); + if (fs.statSync(path).isDirectory()) { + exports.files(path, ret); + } else if (path.match(/\.(js|coffee)$/)) { + ret.push(path); + } + }); + + return ret; +}; + +/** + * Compute a slug from the given `str`. + * + * @param {String} str + * @return {String} + */ + +exports.slug = function(str){ + return str + .toLowerCase() + .replace(/ +/g, '-') + .replace(/[^-\w]/g, ''); +};
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