From b023cc8166705f8a2c8b8d348ef5d9a663afbb5f Mon Sep 17 00:00:00 2001 From: Jun Aruga Date: Wed, 27 Jul 2016 14:30:02 +0200 Subject: [PATCH] Remove JS files for JS Engine not supporting ECMAScript 5. --- lib/es5.js | 321 -------------------------------------------------------- lib/split.js | 117 --------------------- lib/uglifier.rb | 6 +- 3 files changed, 1 insertion(+), 443 deletions(-) delete mode 100644 lib/es5.js delete mode 100644 lib/split.js diff --git a/lib/es5.js b/lib/es5.js deleted file mode 100644 index b5712b8..0000000 --- a/lib/es5.js +++ /dev/null @@ -1,321 +0,0 @@ -// https://developer.mozilla.org/en/JavaScript/Reference/global_objects/array/foreach - -if (!Array.prototype.forEach) -{ - Array.prototype.forEach = function(fun /*, thisp */) - { - "use strict"; - - if (this === void 0 || this === null) - throw new TypeError(); - - var t = Object(this); - var len = t.length >>> 0; - if (typeof fun !== "function") - throw new TypeError(); - - var thisp = arguments[1]; - for (var i = 0; i < len; i++) - { - if (i in t) - fun.call(thisp, t[i], i, t); - } - }; -} - -// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map -// Production steps of ECMA-262, Edition 5, 15.4.4.19 -// Reference: http://es5.github.com/#x15.4.4.19 -if (!Array.prototype.map) { - Array.prototype.map = function(callback, thisArg) { - - var T, A, k; - - if (this == null) { - throw new TypeError(" this is null or not defined"); - } - - // 1. Let O be the result of calling ToObject passing the |this| value as the argument. - var O = Object(this); - - // 2. Let lenValue be the result of calling the Get internal method of O with the argument "length". - // 3. Let len be ToUint32(lenValue). - var len = O.length >>> 0; - - // 4. If IsCallable(callback) is false, throw a TypeError exception. - // See: http://es5.github.com/#x9.11 - if ({}.toString.call(callback) != "[object Function]") { - throw new TypeError(callback + " is not a function"); - } - - // 5. If thisArg was supplied, let T be thisArg; else let T be undefined. - if (thisArg) { - T = thisArg; - } - - // 6. Let A be a new array created as if by the expression new Array(len) where Array is - // the standard built-in constructor with that name and len is the value of len. - A = new Array(len); - - // 7. Let k be 0 - k = 0; - - // 8. Repeat, while k < len - while(k < len) { - - var kValue, mappedValue; - - // a. Let Pk be ToString(k). - // This is implicit for LHS operands of the in operator - // b. Let kPresent be the result of calling the HasProperty internal method of O with argument Pk. - // This step can be combined with c - // c. If kPresent is true, then - if (k in O) { - - // i. Let kValue be the result of calling the Get internal method of O with argument Pk. - kValue = O[ k ]; - - // ii. Let mappedValue be the result of calling the Call internal method of callback - // with T as the this value and argument list containing kValue, k, and O. - mappedValue = callback.call(T, kValue, k, O); - - // iii. Call the DefineOwnProperty internal method of A with arguments - // Pk, Property Descriptor {Value: mappedValue, Writable: true, Enumerable: true, Configurable: true}, - // and false. - - // In browsers that support Object.defineProperty, use the following: - // Object.defineProperty(A, Pk, { value: mappedValue, writable: true, enumerable: true, configurable: true }); - - // For best browser support, use the following: - A[ k ] = mappedValue; - } - // d. Increase k by 1. - k++; - } - - // 9. return A - return A; - }; -} - -// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/Reduce - -if (!Array.prototype.reduce) -{ - Array.prototype.reduce = function(fun /*, initialValue */) - { - "use strict"; - - if (this === void 0 || this === null) - throw new TypeError(); - - var t = Object(this); - var len = t.length >>> 0; - if (typeof fun !== "function") - throw new TypeError(); - - // no value to return if no initial value and an empty array - if (len == 0 && arguments.length == 1) - throw new TypeError(); - - var k = 0; - var accumulator; - if (arguments.length >= 2) - { - accumulator = arguments[1]; - } - else - { - do - { - if (k in t) - { - accumulator = t[k++]; - break; - } - - // if array contains no values, no initial value to return - if (++k >= len) - throw new TypeError(); - } - while (true); - } - - while (k < len) - { - if (k in t) - accumulator = fun.call(undefined, accumulator, t[k], k, t); - k++; - } - - return accumulator; - }; -} - -// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf -if (!Array.prototype.indexOf) { - Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) { - "use strict"; - if (this === void 0 || this === null) { - throw new TypeError(); - } - var t = Object(this); - var len = t.length >>> 0; - if (len === 0) { - return -1; - } - var n = 0; - if (arguments.length > 0) { - n = Number(arguments[1]); - if (n !== n) { // shortcut for verifying if it's NaN - n = 0; - } else if (n !== 0 && n !== Infinity && n !== -Infinity) { - n = (n > 0 || -1) * Math.floor(Math.abs(n)); - } - } - if (n >= len) { - return -1; - } - var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0); - for (; k < len; k++) { - if (k in t && t[k] === searchElement) { - return k; - } - } - return -1; - } -} - -// https://developer.mozilla.org/en/docs/JavaScript/Reference/Global_Objects/Object/keys -if (!Object.keys) { - Object.keys = (function () { - var hasOwnProperty = Object.prototype.hasOwnProperty, - hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'), - dontEnums = [ - 'toString', - 'toLocaleString', - 'valueOf', - 'hasOwnProperty', - 'isPrototypeOf', - 'propertyIsEnumerable', - 'constructor' - ], - dontEnumsLength = dontEnums.length; - - return function (obj) { - if (typeof obj !== 'object' && typeof obj !== 'function' || obj === null) throw new TypeError('Object.keys called on non-object'); - - var result = []; - - for (var prop in obj) { - if (hasOwnProperty.call(obj, prop)) result.push(prop); - } - - if (hasDontEnumBug) { - for (var i=0; i < dontEnumsLength; i++) { - if (hasOwnProperty.call(obj, dontEnums[i])) result.push(dontEnums[i]); - } - } - return result; - } - })() -}; - -// https://developer.mozilla.org/en/docs/JavaScript/Reference/Global_Objects/Object/create -if (!Object.create) { - Object.create = function (o) { - if (arguments.length > 1) { - throw new Error('Object.create implementation only accepts the first parameter.'); - } - function F() {} - F.prototype = o; - return new F(); - }; -} - -// https://developer.mozilla.org/en/docs/JavaScript/Reference/Global_Objects/Array/filter -if (!Array.prototype.filter) -{ - Array.prototype.filter = function(fun /*, thisp*/) - { - "use strict"; - - if (this == null) - throw new TypeError(); - - var t = Object(this); - var len = t.length >>> 0; - if (typeof fun != "function") - throw new TypeError(); - - var res = []; - var thisp = arguments[1]; - for (var i = 0; i < len; i++) - { - if (i in t) - { - var val = t[i]; // in case fun mutates this - if (fun.call(thisp, val, i, t)) - res.push(val); - } - } - - return res; - }; -} - -// https://developer.mozilla.org/en/docs/JavaScript/Reference/Global_Objects/Function/bind -if (!Function.prototype.bind) { - Function.prototype.bind = function (oThis) { - if (typeof this !== "function") { - // closest thing possible to the ECMAScript 5 internal IsCallable function - throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable"); - } - - var aArgs = Array.prototype.slice.call(arguments, 1), - fToBind = this, - fNOP = function () {}, - fBound = function () { - return fToBind.apply(this instanceof fNOP && oThis - ? this - : oThis, - aArgs.concat(Array.prototype.slice.call(arguments))); - }; - - fNOP.prototype = this.prototype; - fBound.prototype = new fNOP(); - - return fBound; - }; -} - -// https://developer.mozilla.org/en/docs/JavaScript/Reference/Global_Objects/Array/isArray -if(!Array.isArray) { - Array.isArray = function (vArg) { - return Object.prototype.toString.call(vArg) === "[object Array]"; - }; -} - -// https://developer.mozilla.org/en/docs/JavaScript/Reference/Global_Objects/String/trim -if(!String.prototype.trim) { - String.prototype.trim = function () { - return this.replace(/^\s+|\s+$/g,''); - }; -} - - -function definePropertyWorks() { - try { - Object.defineProperty({}, "property", {}); - return true; - } catch (exception) { - return false; - } -} - -if (!definePropertyWorks()) { - Object.defineProperty = function defineProperty(object) { - // fail silently - return object; - } -} diff --git a/lib/split.js b/lib/split.js deleted file mode 100644 index 8cc2924..0000000 --- a/lib/split.js +++ /dev/null @@ -1,117 +0,0 @@ -/*! - * Cross-Browser Split 1.1.1 - * Copyright 2007-2012 Steven Levithan - * Available under the MIT License - * ECMAScript compliant, uniform cross-browser split method - */ - -/** - * Splits a string into an array of strings using a regex or string separator. Matches of the - * separator are not included in the result array. However, if `separator` is a regex that contains - * capturing groups, backreferences are spliced into the result each time `separator` is matched. - * Fixes browser bugs compared to the native `String.prototype.split` and can be used reliably - * cross-browser. - * @param {String} str String to split. - * @param {RegExp|String} separator Regex or string to use for separating the string. - * @param {Number} [limit] Maximum number of items to include in the result array. - * @returns {Array} Array of substrings. - * @example - * - * // Basic use - * split('a b c d', ' '); - * // -> ['a', 'b', 'c', 'd'] - * - * // With limit - * split('a b c d', ' ', 2); - * // -> ['a', 'b'] - * - * // Backreferences in result array - * split('..word1 word2..', /([a-z]+)(\d+)/i); - * // -> ['..', 'word', '1', ' ', 'word', '2', '..'] - */ -var split; - -// Avoid running twice; that would break the `nativeSplit` reference -split = split || function (undef) { - - var nativeSplit = String.prototype.split, - compliantExecNpcg = /()??/.exec("")[1] === undef, // NPCG: nonparticipating capturing group - self; - - self = function (str, separator, limit) { - // If `separator` is not a regex, use `nativeSplit` - if (Object.prototype.toString.call(separator) !== "[object RegExp]") { - return nativeSplit.call(str, separator, limit); - } - var output = [], - flags = (separator.ignoreCase ? "i" : "") + - (separator.multiline ? "m" : "") + - (separator.extended ? "x" : "") + // Proposed for ES6 - (separator.sticky ? "y" : ""), // Firefox 3+ - lastLastIndex = 0, - // Make `global` and avoid `lastIndex` issues by working with a copy - separator = new RegExp(separator.source, flags + "g"), - separator2, match, lastIndex, lastLength; - str += ""; // Type-convert - if (!compliantExecNpcg) { - // Doesn't need flags gy, but they don't hurt - separator2 = new RegExp("^" + separator.source + "$(?!\\s)", flags); - } - /* Values for `limit`, per the spec: - * If undefined: 4294967295 // Math.pow(2, 32) - 1 - * If 0, Infinity, or NaN: 0 - * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296; - * If negative number: 4294967296 - Math.floor(Math.abs(limit)) - * If other: Type-convert, then use the above rules - */ - limit = limit === undef ? - -1 >>> 0 : // Math.pow(2, 32) - 1 - limit >>> 0; // ToUint32(limit) - while (match = separator.exec(str)) { - // `separator.lastIndex` is not reliable cross-browser - lastIndex = match.index + match[0].length; - if (lastIndex > lastLastIndex) { - output.push(str.slice(lastLastIndex, match.index)); - // Fix browsers whose `exec` methods don't consistently return `undefined` for - // nonparticipating capturing groups - if (!compliantExecNpcg && match.length > 1) { - match[0].replace(separator2, function () { - for (var i = 1; i < arguments.length - 2; i++) { - if (arguments[i] === undef) { - match[i] = undef; - } - } - }); - } - if (match.length > 1 && match.index < str.length) { - Array.prototype.push.apply(output, match.slice(1)); - } - lastLength = match[0].length; - lastLastIndex = lastIndex; - if (output.length >= limit) { - break; - } - } - if (separator.lastIndex === match.index) { - separator.lastIndex++; // Avoid an infinite loop - } - } - if (lastLastIndex === str.length) { - if (lastLength || !separator.test("")) { - output.push(""); - } - } else { - output.push(str.slice(lastLastIndex)); - } - return output.length > limit ? output.slice(0, limit) : output; - }; - - if ("\n".split(/\n/).length == 0) { - String.prototype.split = function (separator, limit) { - return self(this, separator, limit); - }; - } - - return self; - -}(); diff --git a/lib/uglifier.rb b/lib/uglifier.rb index de24e26..431c4b3 100644 --- a/lib/uglifier.rb +++ b/lib/uglifier.rb @@ -14,10 +14,6 @@ class Uglifier SourcePath = File.expand_path("../uglify.js", __FILE__) # Source Map path SourceMapPath = File.expand_path("../source-map.js", __FILE__) - # ES5 shims source path - ES5FallbackPath = File.expand_path("../es5.js", __FILE__) - # String.split shim source path - SplitFallbackPath = File.expand_path("../split.js", __FILE__) # UglifyJS wrapper path UglifyJSWrapperPath = File.expand_path("../uglifier.js", __FILE__) @@ -156,7 +152,7 @@ class Uglifier private def uglifyjs_source - [ES5FallbackPath, SplitFallbackPath, SourceMapPath, SourcePath, + [SourceMapPath, SourcePath, UglifyJSWrapperPath].map do |file| File.open(file, "r:UTF-8", &:read) end.join("\n") -- 2.5.5