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41
LICENSE
Normal file
41
LICENSE
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@ -0,0 +1,41 @@
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Copyright 2018 AJ ONeal
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This is open source software; you can redistribute it and/or modify it under the
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terms of either:
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a) the "MIT License"
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b) the "Apache-2.0 License"
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MIT License
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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Apache-2.0 License Summary
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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14
README.md
14
README.md
@ -9,11 +9,19 @@ This works in both the Browser and SSJS.
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require('remedial');
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Notes
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----
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Usage / API
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`typeOf` is taken from `jQuery.type`, which is more accurate than Crockford's original and even simpler
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than the ["Flanagan / Miller device"](http://groups.google.com/group/nodejs/msg/0670a986a2906aeb).
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There is [a more specific typeof()](http://rolandog.com/archives/2007/01/18/typeof-a-more-specific-typeof/) implementation also worthy of consideration.
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Globals
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====
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typeOf(o)
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----
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Since JavaScript is a loosely-typed language, it is sometimes necessary to examine a value to determine its type. (This is sometimes necessary in strongly typed languages as well.) JavaScript provides a typeof operator to facilitate this, but typeof has problems.
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@ -36,8 +44,8 @@ isEmpty(v)
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isEmpty(v) returns true if v is an object containing no enumerable members.
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**String Methods**
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----
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String Methods
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====
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JavaScript provides some useful methods for strings, but leaves out some important ones. Fortunately, JavaScript allows us to add new methods to the basic types.
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@ -1,20 +1,23 @@
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/*jslint onevar: true, undef: true, nomen: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true */
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"use strict";
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(function () {
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function typeOf(value) {
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var s = typeof value;
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if (s === 'object') {
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if (value) {
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if (typeof value.length === 'number' &&
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!(value.propertyIsEnumerable('length')) &&
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typeof value.splice === 'function') {
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s = 'array';
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}
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} else {
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s = 'null';
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}
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}
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return s;
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"use strict";
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var global = Function('return this')()
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, classes = "Boolean Number String Function Array Date RegExp Object".split(" ")
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, i
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, name
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, class2type = {}
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;
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for (i in classes) {
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if (classes.hasOwnProperty(i)) {
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name = classes[i];
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class2type["[object " + name + "]"] = name.toLowerCase();
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}
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}
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function typeOf(obj) {
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return (null === obj || undefined === obj) ? String(obj) : class2type[Object.prototype.toString.call(obj)] || "object";
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}
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function isEmpty(o) {
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@ -92,15 +95,11 @@
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};
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}
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// Boiler Plate
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if ('undefined' === typeof module) { module = {}; }
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// CommonJS / npm / Ender.JS
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module.exports = {
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typeOf: typeOf,
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isEmpty: isEmpty
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};
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if ('undefined' === typeof global) { global = window; }
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global.typeOf = global.typeOf || typeOf;
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global.isEmpty = global.isEmpty || isEmpty;
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if ('undefined' === typeof provide) { provide = function () {}; }
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provide('remedial');
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}());
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31
package.json
31
package.json
@ -1,21 +1,14 @@
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{
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"author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com)",
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"contributors": [ "Douglas Crockford <douglas@crockford.com>" ],
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"dependencies": {},
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"description": "Deprecated. Utilities for ES3, most of which have been adopted or superseded in ES5.1. Adapted from Douglas Crockford's Remedial JavaScript",
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"engines": { "node": "*" },
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"keywords": [
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"util",
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"isEmpty",
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"typeOf",
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"entityify",
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"quote",
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"supplant",
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"trim"
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],
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"lib": "lib",
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"main": "./lib/remedial",
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"name": "remedial",
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"homepage": "https://git.coolaj86.com/coolaj86/remedial.js",
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"version": "1.0.1"
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"name" : "remedial",
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"description" : "Deprecated. Utilities for ES3, most of which have been adopted or superseded in ES5.1. Adapted from Douglas Crockford's Remedial JavaScript",
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"url" : "http://javascript.crockford.com/remedial.html",
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"keywords" : ["util", "isEmpty", "typeOf", "entityify", "quote", "supplant", "trim"],
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"author" : "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com)",
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"contributors" : [ "Douglas Crockford <douglas@crockford.com>" ],
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"dependencies" : {},
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"engines" : { "node": "*" },
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"homepage" : "https://git.coolaj86.com/coolaj86/remedial.js",
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"license" : "(MIT OR Apache-2.0)",
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"main" : "./index",
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"version" : "1.0.8"
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}
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87
tests/array-wtf.js
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87
tests/array-wtf.js
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// Firefox was tested using persevere's global-es5 for es5 emulation
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(function () {
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require('../lib/remedial');
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a = [];
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a[2] = 27;
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console.log(a);
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// Expected: [undefined, undefined, 27];
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// Node/V8: [ 27 ];
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// FF3: [undefined, undefined, 27];
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console.log(a.length);
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// 3
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console.log(typeOf(a));
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// array
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b = Object.create([]);
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b[2] = 27;
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console.log(b);
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// Expected: [undefined, undefined, 27];
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// Node/V8: [ 27 ]
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console.log(b.length);
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// Expected: 3
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// Node/V8/FF: 0
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console.log(typeOf(b));
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// Expected: Object (with Flanagan / Miller device or jQuery's type)
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// Node/V8/FF: array (with Crockford's original)
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c = Object.create([]);
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c.push();
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c.push();
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c.push(27);
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console.log(c);
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// Expected: [undefined, undefined, 27]
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// Node: [ 27, length: 1 ]
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// FF: []
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console.log(c.length);
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// Expected: 3
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// Node/V8/FF: 1
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console.log(typeOf(c));
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// Expected: object
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// Node/V8/FF: object
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d = Object.create(Array);
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// FF: Error: typeof prototype[function] != 'object'
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d[2] = 27;
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console.log(d);
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// Expected: [undefined, undefined, 27];
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// Node/V8: { '2': 27 }
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console.log(d.length);
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// Expected: 3
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// Node/V8/FF: 1
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console.log(typeOf(d));
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// Expected: object
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// Node/V8: object
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}());
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/*
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Exact Node Output:
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[ 27 ]
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3
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array
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[ 27 ]
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0
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array
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[ 27, length: 1 ]
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1
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object
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Exact FF (firebug) Output (expanded):
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[undefined, undefined, 27]
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> 2 27
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3
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array
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[]
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> 2 27
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0
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array
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[27]
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> 0 27
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length 1
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1
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object
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*/
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31
tests/types.js
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31
tests/types.js
Normal file
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(function () {
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require('../lib/remedial');
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var n = null,
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u;
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if (
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'object' === typeOf(Object.create([])) &&
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'object' === typeOf(Object.create(function () {})) &&
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'array' === typeOf([]) &&
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'string' === typeOf('') &&
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'regexp' === typeOf(/ /) &&
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'number' === typeOf(0) &&
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'function' === typeOf(function () {}) &&
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'function' === typeOf((function () {
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var a = function () {};
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a.foo = 'bar';
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return a;
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}())) &&
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'boolean' === typeOf(true) &&
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'boolean' === typeOf(false) &&
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'date' === typeOf(new Date()) &&
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'undefined' === typeOf(u) &&
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'undefined' === typeOf(undefined) &&
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'null' === typeOf(n) &&
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'object' === typeOf({})
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) {
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console.log('passed type detections')
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} else {
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console.log('failed type detections')
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}
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}());
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Reference in New Issue
Block a user