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"stable" - "4" - "0.12" - "0.10" matrix: fast_finish: true allow_failures: - node_js: "0.10" is-data-descriptor-master/.verb.md000066400000000000000000000035641264017557400174260ustar00rootroot00000000000000# {%= name %} {%= badge("fury") %} {%= badge("travis") %} > {%= description %} ## Install {%= include("install-npm", {save: true}) %} ## Usage ```js var isDataDesc = require('{%= name %}'); ``` ## Examples `true` when the descriptor has valid properties with valid values. ```js // `value` can be anything isDataDesc({value: 'foo'}) isDataDesc({value: function() {}}) isDataDesc({value: true}) //=> true ``` `false` when not an object ```js isDataDesc('a') //=> false isDataDesc(null) //=> false isDataDesc([]) //=> false ``` `false` when the object has invalid properties ```js isDataDesc({value: 'foo', bar: 'baz'}) //=> false isDataDesc({value: 'foo', bar: 'baz'}) //=> false isDataDesc({value: 'foo', get: function(){}}) //=> false isDataDesc({get: function(){}, value: 'foo'}) //=> false ``` `false` when a value is not the correct type ```js isDataDesc({value: 'foo', enumerable: 'foo'}) //=> false isDataDesc({value: 'foo', configurable: 'foo'}) //=> false isDataDesc({value: 'foo', writable: 'foo'}) //=> false ``` ## Valid properties The only valid data descriptor properties are the following: - `configurable` (required) - `enumerable` (required) - `value` (optional) - `writable` (optional) To be a valid data descriptor, either `value` or `writable` must be defined. **Invalid properties** A descriptor may have additional _invalid_ properties (an error will **not** be thrown). ```js var foo = {}; Object.defineProperty(foo, 'bar', { enumerable: true, whatever: 'blah', // invalid, but doesn't cause an error get: function() { return 'baz'; } }); console.log(foo.bar); //=> 'baz' ``` ## Related projects {%= related(verb.related.list, {remove: name}) %} ## Running tests {%= include("tests") %} ## Contributing {%= include("contributing") %} ## Author {%= include("author") %} ## License {%= copyright() %} {%= license %} *** {%= include("footer") %} is-data-descriptor-master/LICENSE000066400000000000000000000020731264017557400170670ustar00rootroot00000000000000The MIT License (MIT) Copyright (c) 2015, Jon Schlinkert. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. is-data-descriptor-master/README.md000066400000000000000000000063611264017557400173450ustar00rootroot00000000000000# is-data-descriptor [![NPM version](https://img.shields.io/npm/v/is-data-descriptor.svg)](https://www.npmjs.com/package/is-data-descriptor) [![Build Status](https://img.shields.io/travis/jonschlinkert/is-data-descriptor.svg)](https://travis-ci.org/jonschlinkert/is-data-descriptor) > Returns true if a value has the characteristics of a valid JavaScript data descriptor. ## Install Install with [npm](https://www.npmjs.com/): ```sh $ npm i is-data-descriptor --save ``` ## Usage ```js var isDataDesc = require('is-data-descriptor'); ``` ## Examples `true` when the descriptor has valid properties with valid values. ```js // `value` can be anything isDataDesc({value: 'foo'}) isDataDesc({value: function() {}}) isDataDesc({value: true}) //=> true ``` `false` when not an object ```js isDataDesc('a') //=> false isDataDesc(null) //=> false isDataDesc([]) //=> false ``` `false` when the object has invalid properties ```js isDataDesc({value: 'foo', bar: 'baz'}) //=> false isDataDesc({value: 'foo', bar: 'baz'}) //=> false isDataDesc({value: 'foo', get: function(){}}) //=> false isDataDesc({get: function(){}, value: 'foo'}) //=> false ``` `false` when a value is not the correct type ```js isDataDesc({value: 'foo', enumerable: 'foo'}) //=> false isDataDesc({value: 'foo', configurable: 'foo'}) //=> false isDataDesc({value: 'foo', writable: 'foo'}) //=> false ``` ## Valid properties The only valid data descriptor properties are the following: * `configurable` (required) * `enumerable` (required) * `value` (optional) * `writable` (optional) To be a valid data descriptor, either `value` or `writable` must be defined. **Invalid properties** A descriptor may have additional _invalid_ properties (an error will **not** be thrown). ```js var foo = {}; Object.defineProperty(foo, 'bar', { enumerable: true, whatever: 'blah', // invalid, but doesn't cause an error get: function() { return 'baz'; } }); console.log(foo.bar); //=> 'baz' ``` ## Related projects * [is-accessor-descriptor](https://www.npmjs.com/package/is-accessor-descriptor): Returns true if a value has the characteristics of a valid JavaScript accessor descriptor. | [homepage](https://github.com/jonschlinkert/is-accessor-descriptor) * [is-descriptor](https://www.npmjs.com/package/is-descriptor): Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for… [more](https://www.npmjs.com/package/is-descriptor) | [homepage](https://github.com/jonschlinkert/is-descriptor) * [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject) ## Running tests Install dev dependencies: ```sh $ npm i -d && npm test ``` ## Contributing Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-data-descriptor/issues/new). ## Author **Jon Schlinkert** * [github/jonschlinkert](https://github.com/jonschlinkert) * [twitter/jonschlinkert](http://twitter.com/jonschlinkert) ## License Copyright © 2015 [Jon Schlinkert](https://github.com/jonschlinkert) Released under the MIT license. *** _This file was generated by [verb](https://github.com/verbose/verb) on December 28, 2015._is-data-descriptor-master/index.js000066400000000000000000000017341264017557400175320ustar00rootroot00000000000000/*! * is-data-descriptor * * Copyright (c) 2015, Jon Schlinkert. * Licensed under the MIT License. */ 'use strict'; var typeOf = require('kind-of'); // data descriptor properties var data = { configurable: 'boolean', enumerable: 'boolean', writable: 'boolean' }; function isDataDescriptor(obj, prop) { if (typeOf(obj) !== 'object') { return false; } if (typeof prop === 'string') { var val = Object.getOwnPropertyDescriptor(obj, prop); return typeof val !== 'undefined'; } if (!('value' in obj) && !('writable' in obj)) { return false; } for (var key in obj) { if (key === 'value') continue; if (!data.hasOwnProperty(key)) { continue; } if (typeOf(obj[key]) === data[key]) { continue; } if (typeof obj[key] !== 'undefined') { return false; } } return true; } /** * Expose `isDataDescriptor` */ module.exports = isDataDescriptor; is-data-descriptor-master/package.json000066400000000000000000000022161264017557400203470ustar00rootroot00000000000000{ "name": "is-data-descriptor", "description": "Returns true if a value has the characteristics of a valid JavaScript data descriptor.", "version": "0.1.4", "homepage": "https://github.com/jonschlinkert/is-data-descriptor", "author": "Jon Schlinkert (https://github.com/jonschlinkert)", "repository": "jonschlinkert/is-data-descriptor", "bugs": { "url": "https://github.com/jonschlinkert/is-data-descriptor/issues" }, "license": "MIT", "files": [ "index.js" ], "main": "index.js", "engines": { "node": ">=0.10.0" }, "scripts": { "test": "mocha" }, "dependencies": { "kind-of": "^3.0.2" }, "devDependencies": { "mocha": "*", "should": "*" }, "keywords": [ "accessor", "check", "data", "descriptor", "get", "getter", "is", "keys", "object", "properties", "property", "set", "setter", "type", "valid", "value" ], "verb": { "related": { "list": [ "is-accessor-descriptor", "is-data-descriptor", "is-descriptor", "isobject" ] }, "plugins": [ "gulp-format-md" ] } } is-data-descriptor-master/test.js000066400000000000000000000035331264017557400174010ustar00rootroot00000000000000'use strict'; require('mocha'); var assert = require('assert'); var should = require('should'); var isDescriptor = require('./'); var noop = function(){}; describe('isDescriptor', function () { describe('value type', function () { it('should be false when not an object:', function () { assert(!isDescriptor('a')); assert(!isDescriptor(null)); assert(!isDescriptor([])); }); }); describe('data descriptor:', function () { it('should not be false when the object has invalid properties:', function () { assert(isDescriptor({value: 'foo', bar: 'baz'})); assert(isDescriptor({value: 'foo', bar: 'baz'})); assert(isDescriptor({value: 'foo', get: noop})); assert(isDescriptor({get: noop, value: noop})); }); it('should be true when the object has valid data-descriptor properties', function () { assert(isDescriptor({value: 'foo'})); assert(isDescriptor({value: noop})); }); it('should be false when valid properties are invalid types', function () { assert(!isDescriptor({value: 'foo', enumerable: 'foo'})); assert(!isDescriptor({value: 'foo', configurable: 'foo'})); assert(!isDescriptor({value: 'foo', writable: 'foo'})); }); it('should be true when a value is a valid data descriptor', function () { assert(isDescriptor({value: 'foo'})); assert(isDescriptor({writable: true})); assert(isDescriptor({value: 'foo', get: 'foo'})); }); it('should be false when the value is not a valid descriptor', function () { assert(!isDescriptor('foo')); assert(!isDescriptor({})); assert(!isDescriptor({configurable: true})); assert(!isDescriptor({enumerable: true})); assert(!isDescriptor({ get: undefined, set: undefined, enumerable: true, configurable: true })); }); }); });