├── .editorconfig ├── .eslintrc.json ├── .gitattributes ├── .gitignore ├── .travis.yml ├── .verb.md ├── LICENSE ├── README.md ├── bower.json ├── index.js ├── package.json └── test.js /.editorconfig: -------------------------------------------------------------------------------- 1 | root = true 2 | 3 | [*] 4 | indent_style = space 5 | end_of_line = lf 6 | charset = utf-8 7 | indent_size = 2 8 | trim_trailing_whitespace = true 9 | insert_final_newline = true 10 | 11 | [{**/{actual,fixtures,expected,templates}/**,*.md}] 12 | trim_trailing_whitespace = false 13 | insert_final_newline = false -------------------------------------------------------------------------------- /.eslintrc.json: -------------------------------------------------------------------------------- 1 | { 2 | "ecmaFeatures": { 3 | "modules": true, 4 | "experimentalObjectRestSpread": true 5 | }, 6 | 7 | "env": { 8 | "browser": false, 9 | "es6": true, 10 | "node": true, 11 | "mocha": true 12 | }, 13 | 14 | "globals": { 15 | "document": false, 16 | "navigator": false, 17 | "window": false 18 | }, 19 | 20 | "rules": { 21 | "accessor-pairs": 2, 22 | "arrow-spacing": [2, { "before": true, "after": true }], 23 | "block-spacing": [2, "always"], 24 | "brace-style": [2, "1tbs", { "allowSingleLine": true }], 25 | "comma-dangle": [2, "never"], 26 | "comma-spacing": [2, { "before": false, "after": true }], 27 | "comma-style": [2, "last"], 28 | "constructor-super": 2, 29 | "curly": [2, "multi-line"], 30 | "dot-location": [2, "property"], 31 | "eol-last": 2, 32 | "eqeqeq": [2, "allow-null"], 33 | "generator-star-spacing": [2, { "before": true, "after": true }], 34 | "handle-callback-err": [2, "^(err|error)$" ], 35 | "indent": [2, 2, { "SwitchCase": 1 }], 36 | "key-spacing": [2, { "beforeColon": false, "afterColon": true }], 37 | "keyword-spacing": [2, { "before": true, "after": true }], 38 | "new-cap": [2, { "newIsCap": true, "capIsNew": false }], 39 | "new-parens": 2, 40 | "no-array-constructor": 2, 41 | "no-caller": 2, 42 | "no-class-assign": 2, 43 | "no-cond-assign": 2, 44 | "no-const-assign": 2, 45 | "no-control-regex": 2, 46 | "no-debugger": 2, 47 | "no-delete-var": 2, 48 | "no-dupe-args": 2, 49 | "no-dupe-class-members": 2, 50 | "no-dupe-keys": 2, 51 | "no-duplicate-case": 2, 52 | "no-empty-character-class": 2, 53 | "no-eval": 2, 54 | "no-ex-assign": 2, 55 | "no-extend-native": 2, 56 | "no-extra-bind": 2, 57 | "no-extra-boolean-cast": 2, 58 | "no-extra-parens": [2, "functions"], 59 | "no-fallthrough": 2, 60 | "no-floating-decimal": 2, 61 | "no-func-assign": 2, 62 | "no-implied-eval": 2, 63 | "no-inner-declarations": [2, "functions"], 64 | "no-invalid-regexp": 2, 65 | "no-irregular-whitespace": 2, 66 | "no-iterator": 2, 67 | "no-label-var": 2, 68 | "no-labels": 2, 69 | "no-lone-blocks": 2, 70 | "no-mixed-spaces-and-tabs": 2, 71 | "no-multi-spaces": 2, 72 | "no-multi-str": 2, 73 | "no-multiple-empty-lines": [2, { "max": 1 }], 74 | "no-native-reassign": 0, 75 | "no-negated-in-lhs": 2, 76 | "no-new": 2, 77 | "no-new-func": 2, 78 | "no-new-object": 2, 79 | "no-new-require": 2, 80 | "no-new-wrappers": 2, 81 | "no-obj-calls": 2, 82 | "no-octal": 2, 83 | "no-octal-escape": 2, 84 | "no-proto": 0, 85 | "no-redeclare": 2, 86 | "no-regex-spaces": 2, 87 | "no-return-assign": 2, 88 | "no-self-compare": 2, 89 | "no-sequences": 2, 90 | "no-shadow-restricted-names": 2, 91 | "no-spaced-func": 2, 92 | "no-sparse-arrays": 2, 93 | "no-this-before-super": 2, 94 | "no-throw-literal": 2, 95 | "no-trailing-spaces": 0, 96 | "no-undef": 2, 97 | "no-undef-init": 2, 98 | "no-unexpected-multiline": 2, 99 | "no-unneeded-ternary": [2, { "defaultAssignment": false }], 100 | "no-unreachable": 2, 101 | "no-unused-vars": [2, { "vars": "all", "args": "none" }], 102 | "no-useless-call": 0, 103 | "no-with": 2, 104 | "one-var": [0, { "initialized": "never" }], 105 | "operator-linebreak": [0, "after", { "overrides": { "?": "before", ":": "before" } }], 106 | "padded-blocks": [0, "never"], 107 | "quotes": [2, "single", "avoid-escape"], 108 | "radix": 2, 109 | "semi": [2, "always"], 110 | "semi-spacing": [2, { "before": false, "after": true }], 111 | "space-before-blocks": [2, "always"], 112 | "space-before-function-paren": [2, "never"], 113 | "space-in-parens": [2, "never"], 114 | "space-infix-ops": 2, 115 | "space-unary-ops": [2, { "words": true, "nonwords": false }], 116 | "spaced-comment": [0, "always", { "markers": ["global", "globals", "eslint", "eslint-disable", "*package", "!", ","] }], 117 | "use-isnan": 2, 118 | "valid-typeof": 2, 119 | "wrap-iife": [2, "any"], 120 | "yoda": [2, "never"] 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /.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 | *.sublime-* 4 | 5 | # test related, or directories generated by tests 6 | test/actual 7 | actual 8 | coverage 9 | .nyc* 10 | 11 | # npm 12 | node_modules 13 | npm-debug.log 14 | 15 | # yarn 16 | yarn.lock 17 | yarn-error.log 18 | 19 | # misc 20 | _gh_pages 21 | _draft 22 | _drafts 23 | bower_components 24 | vendor 25 | temp 26 | tmp 27 | TODO.md 28 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | sudo: false 2 | os: 3 | - linux 4 | - osx 5 | language: node_js 6 | node_js: 7 | - node 8 | - iojs 9 | - '7' 10 | - '6' 11 | - '5' 12 | - '4' 13 | - '0.12' 14 | - '0.10' 15 | git: 16 | depth: 10 17 | -------------------------------------------------------------------------------- /.verb.md: -------------------------------------------------------------------------------- 1 | ## Install 2 | 3 | {%= include("install-bower", {save: true}) %} 4 | 5 | ## Usage 6 | 7 | ```js 8 | var longest = require('{%= name %}'); 9 | longest(['a', 'abcde', 'abc']); 10 | //=> 'abcde' 11 | 12 | longest(['a', 'abcde', 'abc']).length; 13 | //=> 5 14 | ``` 15 | -------------------------------------------------------------------------------- /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 | # longest [![NPM version](https://img.shields.io/npm/v/longest.svg?style=flat)](https://www.npmjs.com/package/longest) [![NPM monthly downloads](https://img.shields.io/npm/dm/longest.svg?style=flat)](https://npmjs.org/package/longest) [![NPM total downloads](https://img.shields.io/npm/dt/longest.svg?style=flat)](https://npmjs.org/package/longest) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/longest.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/longest) 2 | 3 | > Get the longest item in an array. 4 | 5 | ## Install 6 | 7 | Install with [npm](https://www.npmjs.com/): 8 | 9 | ```sh 10 | $ npm install --save longest 11 | ``` 12 | 13 | ## Install 14 | 15 | Install with [bower](https://bower.io/) 16 | 17 | ```sh 18 | $ bower install longest --save 19 | ``` 20 | 21 | ## Usage 22 | 23 | ```js 24 | var longest = require('longest'); 25 | longest(['a', 'abcde', 'abc']); 26 | //=> 'abcde' 27 | 28 | longest(['a', 'abcde', 'abc']).length; 29 | //=> 5 30 | ``` 31 | 32 | ## About 33 | 34 | ### Contributing 35 | 36 | Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). 37 | 38 | ### Contributors 39 | 40 | | **Commits** | **Contributor** | 41 | | --- | --- | 42 | | 25 | [jonschlinkert](https://github.com/jonschlinkert) | 43 | | 4 | [shinnn](https://github.com/shinnn) | 44 | | 1 | [kevva](https://github.com/kevva) | 45 | | 1 | [kemitchell](https://github.com/kemitchell) | 46 | 47 | ### Building docs 48 | 49 | _(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.)_ 50 | 51 | To generate the readme, run the following command: 52 | 53 | ```sh 54 | $ npm install -g verbose/verb#dev verb-generate-readme && verb 55 | ``` 56 | 57 | ### Running tests 58 | 59 | 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: 60 | 61 | ```sh 62 | $ npm install && npm test 63 | ``` 64 | 65 | ### Author 66 | 67 | **Jon Schlinkert** 68 | 69 | * [github/jonschlinkert](https://github.com/jonschlinkert) 70 | * [twitter/jonschlinkert](https://twitter.com/jonschlinkert) 71 | 72 | ### License 73 | 74 | Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert). 75 | Released under the [MIT License](LICENSE). 76 | 77 | *** 78 | 79 | _This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 26, 2017._ -------------------------------------------------------------------------------- /bower.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "longest", 3 | "description": "Get the longest item in an array.", 4 | "repository": "jonschlinkert/longest", 5 | "license": "MIT", 6 | "homepage": "https://github.com/jonschlinkert/longest", 7 | "authors": [ 8 | "Jon Schlinkert" 9 | ], 10 | "main": [ 11 | "index.js" 12 | ], 13 | "devDependencies": { 14 | "gulp-format-md": "^0.1.12", 15 | "mocha": "^3.3.0" 16 | }, 17 | "keywords": [ 18 | "array", 19 | "element", 20 | "item", 21 | "length", 22 | "long", 23 | "longest" 24 | ], 25 | "version": "2.0.0", 26 | "bugs": { 27 | "url": "https://github.com/jonschlinkert/longest/issues" 28 | }, 29 | "files": [ 30 | "index.js" 31 | ], 32 | "ignore": [ 33 | "actual", 34 | "bower_components", 35 | "fixtures", 36 | "node_modules", 37 | "temp", 38 | "test", 39 | "test.js", 40 | "tmp" 41 | ], 42 | "contributors": [ 43 | "Jon Schlinkert (http://twitter.com/jonschlinkert)", 44 | "Kevin Mårtensson (https://github.com/kevva)", 45 | "Kyle Mitchell (https://kemitchell.com)", 46 | "Shinnosuke Watanabe (https://shinnn.github.io)" 47 | ] 48 | } -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | /*! 2 | * longest 3 | * 4 | * Copyright (c) 2014-2017, Jon Schlinkert. 5 | * Released under the MIT License. 6 | */ 7 | 8 | 'use strict'; 9 | 10 | module.exports = function(arr) { 11 | if (!Array.isArray(arr)) { 12 | throw new TypeError('expected an array'); 13 | } 14 | 15 | var len = arr.length; 16 | if (len === 0) { 17 | return undefined; 18 | } 19 | 20 | var val = arr[0]; 21 | if (typeof val === 'number') { 22 | val = String(val); 23 | } 24 | 25 | var longest = val.length; 26 | var idx = 0; 27 | 28 | while (++idx < len) { 29 | var ele = arr[idx]; 30 | if (ele == null) { 31 | continue; 32 | } 33 | 34 | if (typeof ele === 'number') { 35 | ele = String(ele); 36 | } 37 | 38 | var elen = ele.length; 39 | if (typeof elen !== 'number') { 40 | continue; 41 | } 42 | 43 | if (elen > longest) { 44 | longest = elen; 45 | val = ele; 46 | } 47 | } 48 | return val; 49 | }; 50 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "longest", 3 | "description": "Get the longest item in an array.", 4 | "version": "2.0.1", 5 | "homepage": "https://github.com/jonschlinkert/longest", 6 | "author": "Jon Schlinkert (https://github.com/jonschlinkert)", 7 | "contributors": [ 8 | "Jon Schlinkert (http://twitter.com/jonschlinkert)", 9 | "Kevin Mårtensson (https://github.com/kevva)", 10 | "Kyle Mitchell (https://kemitchell.com)", 11 | "Shinnosuke Watanabe (https://shinnn.github.io)" 12 | ], 13 | "repository": "jonschlinkert/longest", 14 | "bugs": { 15 | "url": "https://github.com/jonschlinkert/longest/issues" 16 | }, 17 | "license": "MIT", 18 | "files": [ 19 | "index.js" 20 | ], 21 | "main": "index.js", 22 | "engines": { 23 | "node": ">=0.10.0" 24 | }, 25 | "scripts": { 26 | "test": "mocha" 27 | }, 28 | "devDependencies": { 29 | "gulp-format-md": "^0.1.12", 30 | "mocha": "^3.3.0" 31 | }, 32 | "keywords": [ 33 | "array", 34 | "element", 35 | "item", 36 | "length", 37 | "long", 38 | "longest" 39 | ], 40 | "verb": { 41 | "toc": false, 42 | "layout": "default", 43 | "tasks": [ 44 | "readme" 45 | ], 46 | "plugins": [ 47 | "gulp-format-md" 48 | ], 49 | "lint": { 50 | "reflinks": true 51 | } 52 | } 53 | } 54 | -------------------------------------------------------------------------------- /test.js: -------------------------------------------------------------------------------- 1 | /*! 2 | * longest 3 | * 4 | * Copyright (c) 2014-2017, Jon Schlinkert. 5 | * Licensed under the MIT License. 6 | */ 7 | 8 | require('mocha'); 9 | var assert = require('assert'); 10 | var longest = require('./'); 11 | 12 | describe('longest', function() { 13 | it('should return null when array is empty', function() { 14 | assert.equal(longest([]), undefined); 15 | }); 16 | 17 | it('should throw an error when value is not an array', function() { 18 | assert.throws(function() { 19 | longest(); 20 | }) 21 | }); 22 | 23 | it('should return the longest item in the array', function() { 24 | assert.equal(longest(['a', 'abcde', 'abc']), 'abcde'); 25 | assert.equal(longest(['a', 'bb', 'ccc']), 'ccc'); 26 | assert.equal(longest(['a', 'bbbb', 'ccc']), 'bbbb'); 27 | assert.equal(longest(['aaaaa', 'bbbb', 'ccc']), 'aaaaa'); 28 | }); 29 | 30 | it('should skip over sparse elements', function() { 31 | assert.equal(longest(['a', 'abcde', null, undefined, 'abc']), 'abcde'); 32 | }); 33 | 34 | it('should skip over elements that do not have a .length property', function() { 35 | assert.equal(longest(['a', 'abcde', {}, 'abc']), 'abcde'); 36 | }); 37 | }); 38 | 39 | --------------------------------------------------------------------------------