mirror of
https://github.com/cappuccino/cappuccino.git
synced 2026-08-28 14:37:04 +00:00
Martin Carlberg
e9ca7c7395
The compiler can now run in IE8. Also found the use of the function .indexOf on Arrays in CPView.j. It is not supported in IE8. Added a new file (OldBrowserCompatibility.js) in the Objective-J framework that will add functions if they are not supported in the javascript runtime.
103 lines
3.2 KiB
JavaScript
103 lines
3.2 KiB
JavaScript
/*
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* OldBrowserCompatibility.js
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* Objective-J
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*
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* Created by Martin Carlberg.
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* Copyright 2013, Martin Carlberg.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// This is for IE8 support. It doesn't have the Object.create function.
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if (!Object.create) {
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Object.create = function(o) {
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if (arguments.length > 1) {
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throw new Error('Object.create implementation only accepts the first parameter.');
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}
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function F() {}
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F.prototype = o;
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return new F();
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};
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}
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// This is for IE8 support. It doesn't have the Object.keys function.
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if (!Object.keys) {
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Object.keys = (function () {
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var hasOwnProperty = Object.prototype.hasOwnProperty,
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hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'),
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dontEnums = [
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'toString',
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'toLocaleString',
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'valueOf',
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'hasOwnProperty',
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'isPrototypeOf',
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'propertyIsEnumerable',
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'constructor'
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],
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dontEnumsLength = dontEnums.length;
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return function (obj) {
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if (typeof obj !== 'object' && typeof obj !== 'function' || obj === null) throw new TypeError('Object.keys called on non-object');
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var result = [];
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for (var prop in obj) {
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if (hasOwnProperty.call(obj, prop)) result.push(prop);
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}
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if (hasDontEnumBug) {
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for (var i=0; i < dontEnumsLength; i++) {
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if (hasOwnProperty.call(obj, dontEnums[i])) result.push(dontEnums[i]);
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}
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}
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return result;
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}
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})()
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};
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// This is for IE8 support. It doesn't have the Array.prototype.indexOf function.
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if (!Array.prototype.indexOf) {
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Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
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"use strict";
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if (this == null) {
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throw new TypeError();
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}
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var t = Object(this);
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var len = t.length >>> 0;
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if (len === 0) {
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return -1;
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}
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var n = 0;
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if (arguments.length > 1) {
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n = Number(arguments[1]);
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if (n != n) { // shortcut for verifying if it's NaN
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n = 0;
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} else if (n != 0 && n != Infinity && n != -Infinity) {
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n = (n > 0 || -1) * Math.floor(Math.abs(n));
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}
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}
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if (n >= len) {
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return -1;
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}
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var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
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for (; k < len; k++) {
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if (k in t && t[k] === searchElement) {
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return k;
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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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