├── .editorconfig ├── .eslintrc.json ├── .gitattributes ├── .gitignore ├── .travis.yml ├── .verb.md ├── LICENSE ├── README.md ├── bower.json ├── index.js ├── package.json └── test.js /.editorconfig: -------------------------------------------------------------------------------- 1 | # http://editorconfig.org/ 2 | root = true 3 | 4 | [*] 5 | charset = utf-8 6 | end_of_line = lf 7 | indent_size = 2 8 | indent_style = space 9 | insert_final_newline = true 10 | trim_trailing_whitespace = true 11 | 12 | [{**/{actual,fixtures,expected,templates}/**,*.md}] 13 | trim_trailing_whitespace = false 14 | insert_final_newline = false 15 | -------------------------------------------------------------------------------- /.eslintrc.json: -------------------------------------------------------------------------------- 1 | { 2 | "env": { 3 | "browser": false, 4 | "es6": true, 5 | "node": true, 6 | "mocha": true 7 | }, 8 | 9 | "globals": { 10 | "document": false, 11 | "navigator": false, 12 | "window": false 13 | }, 14 | 15 | "rules": { 16 | "accessor-pairs": 2, 17 | "arrow-spacing": [2, { "before": true, "after": true }], 18 | "block-spacing": [2, "always"], 19 | "brace-style": [2, "1tbs", { "allowSingleLine": true }], 20 | "comma-dangle": [2, "never"], 21 | "comma-spacing": [2, { "before": false, "after": true }], 22 | "comma-style": [2, "last"], 23 | "constructor-super": 2, 24 | "curly": [2, "multi-line"], 25 | "dot-location": [2, "property"], 26 | "eol-last": 2, 27 | "eqeqeq": [2, "allow-null"], 28 | "generator-star-spacing": [2, { "before": true, "after": true }], 29 | "handle-callback-err": [2, "^(err|error)$" ], 30 | "indent": [2, 2, { "SwitchCase": 1 }], 31 | "key-spacing": [2, { "beforeColon": false, "afterColon": true }], 32 | "keyword-spacing": [2, { "before": true, "after": true }], 33 | "new-cap": [2, { "newIsCap": true, "capIsNew": false }], 34 | "new-parens": 2, 35 | "no-array-constructor": 2, 36 | "no-caller": 2, 37 | "no-class-assign": 2, 38 | "no-cond-assign": 2, 39 | "no-const-assign": 2, 40 | "no-control-regex": 2, 41 | "no-debugger": 2, 42 | "no-delete-var": 2, 43 | "no-dupe-args": 2, 44 | "no-dupe-class-members": 2, 45 | "no-dupe-keys": 2, 46 | "no-duplicate-case": 2, 47 | "no-empty-character-class": 2, 48 | "no-eval": 2, 49 | "no-ex-assign": 2, 50 | "no-extend-native": 2, 51 | "no-extra-bind": 2, 52 | "no-extra-boolean-cast": 2, 53 | "no-extra-parens": [2, "functions"], 54 | "no-fallthrough": 2, 55 | "no-floating-decimal": 2, 56 | "no-func-assign": 2, 57 | "no-implied-eval": 2, 58 | "no-inner-declarations": [2, "functions"], 59 | "no-invalid-regexp": 2, 60 | "no-irregular-whitespace": 2, 61 | "no-iterator": 2, 62 | "no-label-var": 2, 63 | "no-labels": 2, 64 | "no-lone-blocks": 2, 65 | "no-mixed-spaces-and-tabs": 2, 66 | "no-multi-spaces": 2, 67 | "no-multi-str": 2, 68 | "no-multiple-empty-lines": [2, { "max": 1 }], 69 | "no-native-reassign": 0, 70 | "no-negated-in-lhs": 2, 71 | "no-new": 2, 72 | "no-new-func": 2, 73 | "no-new-object": 2, 74 | "no-new-require": 2, 75 | "no-new-wrappers": 2, 76 | "no-obj-calls": 2, 77 | "no-octal": 2, 78 | "no-octal-escape": 2, 79 | "no-proto": 0, 80 | "no-redeclare": 2, 81 | "no-regex-spaces": 2, 82 | "no-return-assign": 2, 83 | "no-self-compare": 2, 84 | "no-sequences": 2, 85 | "no-shadow-restricted-names": 2, 86 | "no-spaced-func": 2, 87 | "no-sparse-arrays": 2, 88 | "no-this-before-super": 2, 89 | "no-throw-literal": 2, 90 | "no-trailing-spaces": 0, 91 | "no-undef": 2, 92 | "no-undef-init": 2, 93 | "no-unexpected-multiline": 2, 94 | "no-unneeded-ternary": [2, { "defaultAssignment": false }], 95 | "no-unreachable": 2, 96 | "no-unused-vars": [2, { "vars": "all", "args": "none" }], 97 | "no-useless-call": 0, 98 | "no-with": 2, 99 | "one-var": [0, { "initialized": "never" }], 100 | "operator-linebreak": [0, "after", { "overrides": { "?": "before", ":": "before" } }], 101 | "padded-blocks": [0, "never"], 102 | "quotes": [2, "single", "avoid-escape"], 103 | "radix": 2, 104 | "semi": [2, "always"], 105 | "semi-spacing": [2, { "before": false, "after": true }], 106 | "space-before-blocks": [2, "always"], 107 | "space-before-function-paren": [2, "never"], 108 | "space-in-parens": [2, "never"], 109 | "space-infix-ops": 2, 110 | "space-unary-ops": [2, { "words": true, "nonwords": false }], 111 | "spaced-comment": [0, "always", { "markers": ["global", "globals", "eslint", "eslint-disable", "*package", "!", ","] }], 112 | "use-isnan": 2, 113 | "valid-typeof": 2, 114 | "wrap-iife": [2, "any"], 115 | "yoda": [2, "never"] 116 | } 117 | } 118 | -------------------------------------------------------------------------------- /.gitattributes: -------------------------------------------------------------------------------- 1 | # Enforce Unix newlines 2 | * text eol=lf 3 | 4 | # binaries 5 | *.ai binary 6 | *.psd binary 7 | *.jpg binary 8 | *.gif binary 9 | *.png binary 10 | *.jpeg binary -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # always ignore files 2 | *.DS_Store 3 | .idea 4 | *.sublime-* 5 | 6 | # test related, or directories generated by tests 7 | test/actual 8 | actual 9 | coverage 10 | .nyc* 11 | 12 | # npm 13 | node_modules 14 | npm-debug.log 15 | 16 | # yarn 17 | yarn.lock 18 | yarn-error.log 19 | 20 | # misc 21 | _gh_pages 22 | _draft 23 | _drafts 24 | bower_components 25 | vendor 26 | temp 27 | tmp 28 | TODO.md 29 | package-lock.json -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | sudo: false 2 | os: 3 | - linux 4 | - osx 5 | language: node_js 6 | node_js: 7 | - node 8 | - iojs 9 | - '9' 10 | - '8' 11 | - '7' 12 | - '6' 13 | - '5' 14 | - '4' 15 | - '0.12' 16 | - '0.10' 17 | git: 18 | depth: 10 19 | -------------------------------------------------------------------------------- /.verb.md: -------------------------------------------------------------------------------- 1 | This function is used instead of `Array#slice` to support node lists in IE < 9 and to ensure dense arrays are returned. This is also faster than native slice in some cases. 2 | 3 | ## Usage 4 | 5 | ```js 6 | var slice = require('array-slice'); 7 | var arr = ['a', 'b', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; 8 | 9 | slice(arr, 3, 6); 10 | //=> ['e', 'f', 'g'] 11 | ``` 12 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2014-2017, Jon Schlinkert. 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in 13 | all copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 | THE SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # array-slice [![NPM version](https://img.shields.io/npm/v/array-slice.svg?style=flat)](https://www.npmjs.com/package/array-slice) [![NPM monthly downloads](https://img.shields.io/npm/dm/array-slice.svg?style=flat)](https://npmjs.org/package/array-slice) [![NPM total downloads](https://img.shields.io/npm/dt/array-slice.svg?style=flat)](https://npmjs.org/package/array-slice) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/array-slice.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/array-slice) 2 | 3 | > Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index. 4 | 5 | Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support. 6 | 7 | ## Install 8 | 9 | Install with [npm](https://www.npmjs.com/): 10 | 11 | ```sh 12 | $ npm install --save array-slice 13 | ``` 14 | 15 | This function is used instead of `Array#slice` to support node lists in IE < 9 and to ensure dense arrays are returned. This is also faster than native slice in some cases. 16 | 17 | ## Usage 18 | 19 | ```js 20 | var slice = require('array-slice'); 21 | var arr = ['a', 'b', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; 22 | 23 | slice(arr, 3, 6); 24 | //=> ['e', 'f', 'g'] 25 | ``` 26 | 27 | ## About 28 | 29 |
30 | Contributing 31 | 32 | Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). 33 | 34 |
35 | 36 |
37 | Running Tests 38 | 39 | Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command: 40 | 41 | ```sh 42 | $ npm install && npm test 43 | ``` 44 | 45 |
46 | 47 |
48 | Building docs 49 | 50 | _(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_ 51 | 52 | To generate the readme, run the following command: 53 | 54 | ```sh 55 | $ npm install -g verbose/verb#dev verb-generate-readme && verb 56 | ``` 57 | 58 |
59 | 60 | ### Related projects 61 | 62 | You might also be interested in these projects: 63 | 64 | * [arr-flatten](https://www.npmjs.com/package/arr-flatten): Recursively flatten an array or arrays. | [homepage](https://github.com/jonschlinkert/arr-flatten "Recursively flatten an array or arrays.") 65 | * [array-unique](https://www.npmjs.com/package/array-unique): Remove duplicate values from an array. Fastest ES5 implementation. | [homepage](https://github.com/jonschlinkert/array-unique "Remove duplicate values from an array. Fastest ES5 implementation.") 66 | * [array-xor](https://www.npmjs.com/package/array-xor): Returns the symmetric difference (exclusive-or) of an array of elements (elements that are present in… [more](https://github.com/jonschlinkert/array-xor) | [homepage](https://github.com/jonschlinkert/array-xor "Returns the symmetric difference (exclusive-or) of an array of elements (elements that are present in all given arrays and not in their intersections).") 67 | 68 | ### Author 69 | 70 | **Jon Schlinkert** 71 | 72 | * [github/jonschlinkert](https://github.com/jonschlinkert) 73 | * [twitter/jonschlinkert](https://twitter.com/jonschlinkert) 74 | 75 | ### License 76 | 77 | Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert). 78 | Released under the [MIT License](LICENSE). 79 | 80 | *** 81 | 82 | _This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on November 30, 2017._ -------------------------------------------------------------------------------- /bower.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "array-slice", 3 | "description": "Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.", 4 | "version": "1.0.0", 5 | "homepage": "https://github.com/jonschlinkert/array-slice", 6 | "authors": [ 7 | "Jon Schlinkert" 8 | ], 9 | "repository": "jonschlinkert/array-slice", 10 | "bugs": { 11 | "url": "https://github.com/jonschlinkert/array-slice/issues" 12 | }, 13 | "license": "MIT", 14 | "files": [ 15 | "index.js" 16 | ], 17 | "main": [ 18 | "index.js" 19 | ], 20 | "devDependencies": { 21 | "gulp-format-md": "^0.1.11", 22 | "mocha": "^3.2.0" 23 | }, 24 | "keywords": [ 25 | "array", 26 | "javascript", 27 | "js", 28 | "slice", 29 | "util", 30 | "utils" 31 | ], 32 | "ignore": [ 33 | "actual", 34 | "bower_components", 35 | "fixtures", 36 | "node_modules", 37 | "temp", 38 | "test", 39 | "test.js", 40 | "tmp" 41 | ] 42 | } -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | /*! 2 | * array-slice 3 | * 4 | * Copyright (c) 2014-2017, Jon Schlinkert. 5 | * Released under the MIT License. 6 | */ 7 | 8 | 'use strict'; 9 | 10 | module.exports = function slice(arr, start, end) { 11 | var len = arr.length; 12 | var range = []; 13 | 14 | start = idx(len, start); 15 | end = idx(len, end, len); 16 | 17 | while (start < end) { 18 | range.push(arr[start++]); 19 | } 20 | return range; 21 | }; 22 | 23 | function idx(len, pos, end) { 24 | if (pos == null) { 25 | pos = end || 0; 26 | } else if (pos < 0) { 27 | pos = Math.max(len + pos, 0); 28 | } else { 29 | pos = Math.min(pos, len); 30 | } 31 | 32 | return pos; 33 | } 34 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "array-slice", 3 | "description": "Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.", 4 | "version": "1.1.0", 5 | "homepage": "https://github.com/jonschlinkert/array-slice", 6 | "author": "Jon Schlinkert (https://github.com/jonschlinkert)", 7 | "repository": "jonschlinkert/array-slice", 8 | "bugs": { 9 | "url": "https://github.com/jonschlinkert/array-slice/issues" 10 | }, 11 | "license": "MIT", 12 | "files": [ 13 | "index.js" 14 | ], 15 | "main": "index.js", 16 | "engines": { 17 | "node": ">=0.10.0" 18 | }, 19 | "scripts": { 20 | "test": "mocha" 21 | }, 22 | "devDependencies": { 23 | "gulp-format-md": "^1.0.0", 24 | "mocha": "^3.5.3" 25 | }, 26 | "keywords": [ 27 | "array", 28 | "javascript", 29 | "js", 30 | "slice", 31 | "util", 32 | "utils" 33 | ], 34 | "verb": { 35 | "toc": false, 36 | "layout": "default", 37 | "tasks": [ 38 | "readme" 39 | ], 40 | "plugins": [ 41 | "gulp-format-md" 42 | ], 43 | "related": { 44 | "list": [ 45 | "arr-flatten", 46 | "array-unique", 47 | "array-xor" 48 | ] 49 | }, 50 | "lint": { 51 | "reflinks": true 52 | } 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /test.js: -------------------------------------------------------------------------------- 1 | 'use strict'; 2 | 3 | /*! 4 | * array-slice 5 | * 6 | * Copyright (c) 2014-2015, 2017, Jon Schlinkert. 7 | * Released under the MIT License. 8 | */ 9 | 10 | require('mocha'); 11 | var assert = require('assert'); 12 | var slice = require('./'); 13 | 14 | describe('array-slice:', function() { 15 | it('should return the specified range.', function() { 16 | var arr = ['a', 'b', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; 17 | assert.deepEqual(slice(arr, 3, 6), ['e', 'f', 'g']); 18 | assert.deepEqual(slice(arr, 1), ['b', 'd', 'e', 'f', 'g', 'h', 'i', 'j']); 19 | assert.deepEqual(slice(arr, -1), ['j']); 20 | }); 21 | 22 | it('should not mutate the array', function() { 23 | var arr = ['a', 'b', 'd', 'e', 'f', 'g', 'h', 'i', 'j']; 24 | slice(arr, 3, 6); 25 | assert.deepEqual(arr, ['a', 'b', 'd', 'e', 'f', 'g', 'h', 'i', 'j']); 26 | }); 27 | }); 28 | --------------------------------------------------------------------------------