├── .gitattributes ├── test ├── fixtures │ ├── fail-script.js │ ├── executefalse.js │ ├── executefalse2.js │ ├── first.js │ ├── once.js │ ├── once2.js │ ├── stamp-script.js │ ├── second.js │ ├── modernizr.min.js │ ├── underscore-min.js │ └── backbone-min.js ├── index.html ├── vendor │ └── qunit.css └── tests.js ├── _config.yml ├── .bowerrc ├── .gitignore ├── asset ├── logo.png └── base.css ├── media └── logo_src.png ├── .travis.yml ├── .editorconfig ├── bower.json ├── .jshintrc ├── _includes ├── header.html └── api.md ├── license ├── package.json ├── _layouts └── default.html ├── Gruntfile.js ├── dist ├── basket.min.js ├── basket.min.map ├── basket.min.js.map ├── basket.js ├── basket.full.min.js ├── basket.full.map └── basket.full.min.js.map ├── readme.md ├── index.md └── lib └── basket.js /.gitattributes: -------------------------------------------------------------------------------- 1 | * text=auto 2 | -------------------------------------------------------------------------------- /test/fixtures/fail-script.js: -------------------------------------------------------------------------------- 1 | basket.fail = true; -------------------------------------------------------------------------------- /_config.yml: -------------------------------------------------------------------------------- 1 | safe: true 2 | markdown: redcarpet 3 | -------------------------------------------------------------------------------- /test/fixtures/executefalse.js: -------------------------------------------------------------------------------- 1 | basket.executed = true -------------------------------------------------------------------------------- /test/fixtures/executefalse2.js: -------------------------------------------------------------------------------- 1 | basket.executed2 = true -------------------------------------------------------------------------------- /test/fixtures/first.js: -------------------------------------------------------------------------------- 1 | basket.order = 'first'; 2 | -------------------------------------------------------------------------------- /.bowerrc: -------------------------------------------------------------------------------- 1 | { 2 | "directory": "bower_components" 3 | } 4 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | bower_components 3 | _site 4 | -------------------------------------------------------------------------------- /test/fixtures/once.js: -------------------------------------------------------------------------------- 1 | basket.once = ++basket.once || 1; -------------------------------------------------------------------------------- /test/fixtures/once2.js: -------------------------------------------------------------------------------- 1 | basket.once2 = ++basket.once2 || 1; -------------------------------------------------------------------------------- /test/fixtures/stamp-script.js: -------------------------------------------------------------------------------- 1 | basket.lastXHR = +new Date(); -------------------------------------------------------------------------------- /test/fixtures/second.js: -------------------------------------------------------------------------------- 1 | basket.order = (basket.order || '') + 'second'; 2 | -------------------------------------------------------------------------------- /asset/logo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/no-problemo/basket.js/gh-pages/asset/logo.png -------------------------------------------------------------------------------- /media/logo_src.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/no-problemo/basket.js/gh-pages/media/logo_src.png -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | sudo: false 2 | language: node_js 3 | node_js: 4 | - 'iojs' 5 | - '0.12' 6 | - '0.10' 7 | branches: 8 | only: 9 | - gh-pages 10 | -------------------------------------------------------------------------------- /.editorconfig: -------------------------------------------------------------------------------- 1 | # editorconfig.org 2 | root = true 3 | 4 | [*] 5 | indent_style = tab 6 | end_of_line = lf 7 | charset = utf-8 8 | trim_trailing_whitespace = true 9 | insert_final_newline = true 10 | 11 | [*.md] 12 | trim_trailing_whitespace = false 13 | -------------------------------------------------------------------------------- /bower.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "basket.js", 3 | "main": "dist/basket.js", 4 | "ignore": [ 5 | "_*", 6 | ".*", 7 | "asset", 8 | "lib", 9 | "media", 10 | "test", 11 | "Gruntfile.js", 12 | "index.md", 13 | "package.json" 14 | ], 15 | "dependencies": { 16 | "rsvp": "~3.0.16" 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /.jshintrc: -------------------------------------------------------------------------------- 1 | { 2 | "bitwise": true, 3 | "browser": true, 4 | "camelcase": true, 5 | "curly": true, 6 | "eqeqeq": true, 7 | "esnext": true, 8 | "expr": true, 9 | "immed": true, 10 | "indent": 4, 11 | "latedef": true, 12 | "newcap": true, 13 | "noarg": true, 14 | "node": true, 15 | "noempty": true, 16 | "nonstandard": true, 17 | "quotmark": "single", 18 | "regexp": true, 19 | "smarttabs": true, 20 | "strict": true, 21 | "trailing": true, 22 | "undef": true, 23 | "unused": true 24 | } 25 | -------------------------------------------------------------------------------- /test/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | QUnit Tests 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |

Basket.js tests

16 |

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    18 |
    19 | 20 |
    21 | 22 | 23 | -------------------------------------------------------------------------------- /_includes/header.html: -------------------------------------------------------------------------------- 1 |

    basket.js logo

    2 |

    A simple (proof-of-concept) script loader that caches scripts with localStorage

    3 | Tweet 4 |

    5 | Version 0.5.0: 6 | basket.js (2.2 kB)   7 | basket.min.js* (0.7 kB gzipped)   8 | basket.full.min.js (3.8 kB gzipped)   9 | CDN-Usage  10 | * = Use this version if you want to manually handle the rsvp.js dependency 11 |

    12 |

    If you're seeing this message, something has gone wrong. Please ensure you are testing this page using a HTTP server.

    13 | -------------------------------------------------------------------------------- /license: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) Basket.js team 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 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "basket.js", 3 | "version": "0.5.2", 4 | "description": "A script-loader that handles caching scripts in localStorage where supported", 5 | "keywords": [ 6 | "script", 7 | "loader", 8 | "localstorage", 9 | "caching", 10 | "asset", 11 | "loader", 12 | "preload", 13 | "javascript", 14 | "js" 15 | ], 16 | "homepage": "http://addyosmani.github.com/basket.js", 17 | "license": "MIT", 18 | "author": { 19 | "name": "Addy Osmani", 20 | "email": "addyosmani@gmail.com", 21 | "url": "addyosmani.com" 22 | }, 23 | "maintainers": [ 24 | { 25 | "name": "Addy Osmani" 26 | }, 27 | { 28 | "name": "Sindre Sorhus", 29 | "email": "sindresorhus@gmail.com", 30 | "url": "sindresorhus.com" 31 | }, 32 | { 33 | "name": "Andrée Hansson", 34 | "email": "peolanha@gmail.com", 35 | "url": "andreehansson.se" 36 | }, 37 | { 38 | "name": "Mat Scales", 39 | "email": "mat@wibbly.org.uk", 40 | "url": "github.com/wibblymat" 41 | } 42 | ], 43 | "contributors": [ 44 | { 45 | "name": "Ironsjp" 46 | }, 47 | { 48 | "name": "Mathias Bynens" 49 | }, 50 | { 51 | "name": "Rick Waldron" 52 | }, 53 | { 54 | "name": "Felipe Morais" 55 | } 56 | ], 57 | "main": "lib/basket", 58 | "repository": "addyosmani/basket.js", 59 | "scripts": { 60 | "dev": "grunt", 61 | "test": "bower install && grunt test" 62 | }, 63 | "devDependencies": { 64 | "bower": "1.x", 65 | "grunt": "^0.4.0", 66 | "grunt-cli": "^0.1.13", 67 | "grunt-contrib-concat": "^0.5.0", 68 | "grunt-contrib-connect": "^0.9.0", 69 | "grunt-contrib-jshint": "^0.11.0", 70 | "grunt-contrib-qunit": "^0.5.1", 71 | "grunt-contrib-uglify": "^0.7.0", 72 | "grunt-contrib-watch": "^0.6.1" 73 | } 74 | } 75 | -------------------------------------------------------------------------------- /_layouts/default.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | basket.js - a simple script loader that caches scripts with localStorage 6 | 7 | 8 | 9 |
    10 | {% include header.html %} 11 |
    12 | {{ content | markdownify }} 13 |
    14 |
    15 | 18 | 19 | 20 | 21 | 42 | Fork me on GitHub 43 | 44 | 45 | -------------------------------------------------------------------------------- /Gruntfile.js: -------------------------------------------------------------------------------- 1 | module.exports = function( grunt ) { 2 | 'use strict'; 3 | 4 | grunt.initConfig({ 5 | pkg: grunt.file.readJSON('package.json'), 6 | concat: { 7 | options: { 8 | banner: '/*!\n' + 9 | '* <%= pkg.name %>\n' + 10 | '* v<%= pkg.version %> - ' + 11 | '<%= grunt.template.today("yyyy-mm-dd") %>\n' + 12 | '<%= pkg.homepage ? "* " + pkg.homepage + "\\n" : "" %>' + 13 | '* (c) <%= pkg.author.name %>;' + 14 | ' <%= _.pluck(pkg.licenses, "type").join(", ") %> License\n' + 15 | '* Created by: <%= _.pluck(pkg.maintainers, "name").join(", ") %>\n' + 16 | '* Contributors: <%= _.pluck(pkg.contributors, "name").join(", ") %>\n' + 17 | '* Uses rsvp.js, https://github.com/tildeio/rsvp.js\n' + 18 | '*/', 19 | stripBanners: true 20 | }, 21 | dist: { 22 | src: ['lib/basket.js'], 23 | dest: 'dist/basket.js' 24 | } 25 | }, 26 | uglify: { 27 | options: { 28 | report: 'gzip', 29 | banner: '<%= concat.options.banner %>' 30 | }, 31 | dist: { 32 | options: { 33 | sourceMap: 'dist/basket.min.map' 34 | }, 35 | files: { 36 | 'dist/basket.min.js': ['dist/basket.js'] 37 | } 38 | }, 39 | full: { 40 | options: { 41 | sourceMap: 'dist/basket.full.map' 42 | }, 43 | files: { 44 | 'dist/basket.full.min.js': ['bower_components/rsvp/rsvp.min.js', 'dist/basket.js'] 45 | } 46 | } 47 | }, 48 | qunit: { 49 | all: { 50 | options: { 51 | urls: ['http://localhost:8080/test/index.html'] 52 | } 53 | } 54 | }, 55 | watch: { 56 | scripts: { 57 | files: '<%= jshint.all %>', 58 | tasks: ['test'] 59 | } 60 | }, 61 | connect: { 62 | server: { 63 | options: { 64 | base: '.', 65 | port: 8080 66 | } 67 | } 68 | }, 69 | jshint: { 70 | options: { 71 | jshintrc: '.jshintrc' 72 | }, 73 | all: ['Gruntfile.js', 'lib/basket.js', 'test/tests.js'] 74 | } 75 | }); 76 | 77 | grunt.loadNpmTasks('grunt-contrib-concat'); 78 | grunt.loadNpmTasks('grunt-contrib-jshint'); 79 | grunt.loadNpmTasks('grunt-contrib-uglify'); 80 | grunt.loadNpmTasks('grunt-contrib-qunit'); 81 | grunt.loadNpmTasks('grunt-contrib-connect'); 82 | grunt.loadNpmTasks('grunt-contrib-watch'); 83 | 84 | // Dev - default 85 | grunt.registerTask('default', ['test']); 86 | 87 | // Release 88 | grunt.registerTask('release', ['test', 'concat', 'uglify']); 89 | 90 | //Tests 91 | grunt.registerTask('test', ['jshint', 'connect', 'qunit']); 92 | }; 93 | -------------------------------------------------------------------------------- /dist/basket.min.js: -------------------------------------------------------------------------------- 1 | /*! 2 | * basket.js 3 | * v0.5.2 - 2015-02-07 4 | * http://addyosmani.github.com/basket.js 5 | * (c) Addy Osmani; License 6 | * Created by: Addy Osmani, Sindre Sorhus, Andrée Hansson, Mat Scales 7 | * Contributors: Ironsjp, Mathias Bynens, Rick Waldron, Felipe Morais 8 | * Uses rsvp.js, https://github.com/tildeio/rsvp.js 9 | */ 10 | !function(a,b){"use strict";var c=b.head||b.getElementsByTagName("head")[0],d="basket-",e=5e3,f=[],g=function(a,b){try{return localStorage.setItem(d+a,JSON.stringify(b)),!0}catch(c){if(c.name.toUpperCase().indexOf("QUOTA")>=0){var e,f=[];for(e in localStorage)0===e.indexOf(d)&&f.push(JSON.parse(localStorage[e]));return f.length?(f.sort(function(a,b){return a.stamp-b.stamp}),basket.remove(f[0].key),g(a,b)):void 0}return}},h=function(a){var b=new RSVP.Promise(function(b,c){var d=new XMLHttpRequest;d.open("GET",a),d.onreadystatechange=function(){4===d.readyState&&(200===d.status||0===d.status&&d.responseText?b({content:d.responseText,type:d.getResponseHeader("content-type")}):c(new Error(d.statusText)))},setTimeout(function(){d.readyState<4&&d.abort()},basket.timeout),d.send()});return b},i=function(a){return h(a.url).then(function(b){var c=j(a,b);return a.skipCache||g(a.key,c),c})},j=function(a,b){var c=+new Date;return a.data=b.content,a.originalType=b.type,a.type=a.type||b.type,a.skipCache=a.skipCache||!1,a.stamp=c,a.expire=c+60*(a.expire||e)*60*1e3,a},k=function(a,b){return!a||a.expire-+new Date<0||b.unique!==a.unique||basket.isValidItem&&!basket.isValidItem(a,b)},l=function(a){var b,c,d;if(a.url)return a.key=a.key||a.url,b=basket.get(a.key),a.execute=a.execute!==!1,d=k(b,a),a.live||d?(a.unique&&(a.url+=(a.url.indexOf("?")>0?"&":"?")+"basket-unique="+a.unique),c=i(a),a.live&&!d&&(c=c.then(function(a){return a},function(){return b}))):(b.type=a.type||b.originalType,b.execute=a.execute,c=new RSVP.Promise(function(a){a(b)})),c},m=function(a){var d=b.createElement("script");d.defer=!0,d.text=a.data,c.appendChild(d)},n={"default":m},o=function(a){return a.type&&n[a.type]?n[a.type](a):n["default"](a)},p=function(a){return a.map(function(a){return a.execute&&o(a),a})},q=function(){var a,b,c=[];for(a=0,b=arguments.length;b>a;a++)c.push(l(arguments[a]));return RSVP.all(c)},r=function(){var a=q.apply(null,arguments),b=this.then(function(){return a}).then(p);return b.thenRequire=r,b};a.basket={require:function(){for(var a=0,b=arguments.length;b>a;a++)arguments[a].execute=arguments[a].execute!==!1,arguments[a].once&&f.indexOf(arguments[a].url)>=0?arguments[a].execute=!1:arguments[a].execute!==!1&&f.indexOf(arguments[a].url)<0&&f.push(arguments[a].url);var c=q.apply(null,arguments).then(p);return c.thenRequire=r,c},remove:function(a){return localStorage.removeItem(d+a),this},get:function(a){var b=localStorage.getItem(d+a);try{return JSON.parse(b||"false")}catch(c){return!1}},clear:function(a){var b,c,e=+new Date;for(b in localStorage)c=b.split(d)[1],c&&(!a||this.get(c).expire<=e)&&this.remove(c);return this},isValidItem:null,timeout:5e3,addHandler:function(a,b){Array.isArray(a)||(a=[a]),a.forEach(function(a){n[a]=b})},removeHandler:function(a){basket.addHandler(a,void 0)}},basket.clear(!0)}(this,document); 11 | //# sourceMappingURL=basket.min.js.map -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | [![basket.js logo](media/logo_src.png)](http://addyosmani.github.com/basket.js) 2 | 3 | > [Basket.js](http://addyosmani.github.com/basket.js) is a script and resource loader for caching and loading scripts using localStorage 4 | 5 | [![Build Status](https://travis-ci.org/addyosmani/basket.js.svg?branch=gh-pages)](https://travis-ci.org/addyosmani/basket.js) 6 | 7 | 8 | ## Resources 9 | 10 | ### Examples 11 | 12 | * [Load RequireJS modules with Basket.js](https://github.com/andrewwakeling/requirejs-basketjs/blob/master/basket-loader.js) 13 | * [Loading CSS with Basket.js](https://github.com/andrewwakeling/basket-css-example) 14 | 15 | ### Articles 16 | 17 | * [Basket.js: A JavaScript Loader With LocalStorage-based script caching](http://badassjs.com/post/40850339601/basket-js-a-javascript-loader-with-localstorage-based) 18 | * [basket.js caches scripts with HTML5 localStorage](http://ahmadassaf.com/blog/web-development/scripts-plugins/basket-js-caches-scripts-with-html5-localstorage/) 19 | * [Basket.js for improved script caching](http://t3n.de/news/basketjs-performance-localstorage-515119/) 20 | * [How to Improve Loading Time with basket.js](http://www.sitepoint.com/how-to-improve-loading-time-with-basket-js) 21 | 22 | 23 | ## Contribute 24 | 25 | ### Style Guide 26 | 27 | This project follows the [Idiomatic](https://github.com/rwldrn/idiomatic.js) guide to writing JavaScript - a concise extension to the jQuery Core Style [guidelines](http://docs.jquery.com/JQuery_Core_Style_Guidelines), with the exception of multiple var statements. Please ensure any pull requests follow these closely. 28 | 29 | 30 | ### Unit Tests 31 | 32 | We are also attempting to get as much unit test coverage as possible. For this reason, please add unit tests for any new or changed functionality and remember to lint and test your code using [grunt](http://gruntjs.com). 33 | 34 | *Also, please don't edit files in the "dist" subdirectory as they are generated via grunt. You'll find source code in the "lib" subdirectory!* 35 | 36 | ### Building 37 | 38 | To build the project, you will first need to install the necessary dependencies (such as [RSVP](https://github.com/tildeio/rsvp.js)) using [npm](http://npmjs.org) and [Bower](http://bower.io). 39 | 40 | Run: 41 | 42 | ```sh 43 | $ npm install & bower install 44 | ``` 45 | 46 | in the project root to get everything you need. Next, to actually build the project you will need [Grunt](http://gruntjs.com). 47 | 48 | Run: 49 | 50 | ```sh 51 | $ grunt release 52 | ``` 53 | 54 | to generate a new release, otherwise just running `grunt test` will run the unit tests. 55 | 56 | 57 | ## Team 58 | 59 | | ![Addy Osmani avatar](http://www.gravatar.com/avatar/96270e4c3e5e9806cf7245475c00b275.png?s=60) | ![Sindre Sorhus avatar](http://www.gravatar.com/avatar/d36a92237c75c5337c17b60d90686bf9.png?s=60) | ![Andrée Hansson avatar](http://www.gravatar.com/avatar/9a22324229aebc599d46dacab494ce77.png?s=60) | ![Mat Scales avatar](http://www.gravatar.com/avatar/c2b874c38990ed90a0ed15ac33bda00f.png?s=60) | 60 | |---|---|---|---| 61 | | [Addy Osmani](https://github.com/addyosmani) | [Sindre Sorhus](https://github.com/sindresorhus) | [Andrée Hansson](https://github.com/peol) | [Mat Scales](https://github.com/wibblymat) | 62 | 63 | 64 | ## License 65 | 66 | MIT © Basket.js team 67 | -------------------------------------------------------------------------------- /dist/basket.min.map: -------------------------------------------------------------------------------- 1 | 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-------------------------------------------------------------------------------- /index.md: -------------------------------------------------------------------------------- 1 | --- 2 | layout: default 3 | --- 4 | 5 | ### Introduction 6 | 7 | basket.js is a small JavaScript library supporting localStorage caching of scripts. If script(s) have previously been saved locally, they will simply be loaded and injected into the current document. If not, they will be XHR'd in for use right away, but cached so that no additional loads are required in the future. 8 | 9 | ### Why localStorage? 10 | 11 | [Tests](http://www.stevesouders.com/blog/2011/03/28/storager-case-study-bing-google/) by Google and Bing have shown that there are performance benefits to caching assets in localStorage (especially on mobile) when compared to simply reading and writing from the standard browser cache. This project is currently working on replicating these tests in the public so that we have definitive statistics on whether this is true. 12 | 13 | Developers have also been wondering why we opted for localStorage as opposed to alternatives such as IndexedDB. Jens Arps has shown that IDB is at present [significantly slower](http://jsperf.com/indexeddb-vs-localstorage/2) than localStorage for reading and writing assets. Other developers exploring this space have also shown that localStorage works just fine for caching data (it's actually significantly [faster](http://www.webdirections.org/blog/localstorage-perhaps-not-so-harmful/) in Safari at the moment than any other browser). 14 | 15 | We believe that in time, once implementers have optimized localStorage, it will become more feasible to use cross-browser. In the mean time, we are also exploring solutions such as the [FileSystem API](http://www.html5rocks.com/en/tutorials/file/filesystem/) as a storage mechanism for caching scripts locally. 16 | 17 | ### Project History 18 | 19 | This project was created as a response to a [tweet](https://twitter.com/#!/souders/statuses/166928191649357824) by Steve Souders asking that the jQuery project consider caching jQuery in localStorage for performance reasons. Intrigued by the idea, we began exploring a minimalistic solution to it (just for the sake of experimentation). 20 | 21 | You may remember Souders previously did research and a [write-up](http://www.stevesouders.com/blog/2011/03/28/storager-case-study-bing-google/) on search engines making use of localStorage caching back in 2011. His conclusions were: 22 | 23 | **Bing and Google Search make extensive use of localStorage for stashing SCRIPT blocks that are used on subsequent page views. None of the other top sites from my previous post use localStorage in this way. Are Bing and Google Search onto something? Yes, definitely.** 24 | 25 | To help provide a more general solution for this problem, we put together a script loader that treats localStorage as a cache. 26 | 27 | ### Compatibility 28 | 29 | basket.js supports locally caching scripts in any browser with [localStorage capabilities](http://caniuse.com/#search=localstorage). 30 | 31 | ### About localStorage 32 | 33 | [localStorage](http://diveintohtml5.info/storage.html) is a simple API within modern browsers to allow web developers to store small amounts of data within the user's browser. 34 | 35 | The HTML5 spec suggests storage quota with a limit of 5MB for localStorage but browsers can implement their own quota if they wish. If the quota is exceeded the browser may fail to store items in the cache. If this happens, basket.js will remove entries from the cache beginning with the oldest and try again. Some browsers like Opera will ask the user about increasing the quota when it exceeds a set threshold. 36 | 37 | To free space basket.js will only remove cached scripts that it placed in localStorage itself. The data stored by other code in same origin will not be touched. 38 | 39 | {% include api.md %} 40 | 41 | ### The Future 42 | 43 | We are currently investigating a number of different features we would like to bring to the project, as well as looking to produce some high-quality [performance benchmarks](https://github.com/addyosmani/basket.js/issues/24) (compared to IndexedDB, Browser cache and more). To find out more, check out [what we're working on](https://github.com/addyosmani/basket.js/issues). 44 | 45 | ### Team, License & Contribution Guide 46 | 47 | basket.js is released under an [MIT License](http://en.wikipedia.org/wiki/MIT_License) and is currently maintained by [Addy Osmani](https://github.com/addyosmani), [Sindre Sorhus](https://github.com/sindresorhus), [Mat Scales](https://github.com/wibblymat) and [Andrée Hansson](https://github.com/peol). We would also like to extend our thanks to [Rick Waldron](https://github.com/rwldrn) for the optimizations he suggested for improving the project. 48 | 49 | For more information on our style-guide and how to get involved with basket.js, please see the README in our project [repo](http://github.com/addyosmani/basket.js). 50 | -------------------------------------------------------------------------------- /test/vendor/qunit.css: -------------------------------------------------------------------------------- 1 | /** 2 | * QUnit v1.8.0 - A JavaScript Unit Testing Framework 3 | * 4 | * http://docs.jquery.com/QUnit 5 | * 6 | * Copyright (c) 2012 John Resig, Jörn Zaefferer 7 | * Dual licensed under the MIT (MIT-LICENSE.txt) 8 | * or GPL (GPL-LICENSE.txt) licenses. 9 | */ 10 | 11 | /** Font Family and Sizes */ 12 | 13 | #qunit-tests, #qunit-header, #qunit-banner, #qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult { 14 | font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif; 15 | } 16 | 17 | #qunit-testrunner-toolbar, #qunit-userAgent, #qunit-testresult, #qunit-tests li { font-size: small; } 18 | #qunit-tests { font-size: smaller; } 19 | 20 | 21 | /** Resets */ 22 | 23 | #qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult { 24 | margin: 0; 25 | padding: 0; 26 | } 27 | 28 | 29 | /** Header */ 30 | 31 | #qunit-header { 32 | padding: 0.5em 0 0.5em 1em; 33 | 34 | color: #8699a4; 35 | background-color: #0d3349; 36 | 37 | font-size: 1.5em; 38 | line-height: 1em; 39 | font-weight: normal; 40 | 41 | border-radius: 15px 15px 0 0; 42 | -moz-border-radius: 15px 15px 0 0; 43 | -webkit-border-top-right-radius: 15px; 44 | -webkit-border-top-left-radius: 15px; 45 | } 46 | 47 | #qunit-header a { 48 | text-decoration: none; 49 | color: #c2ccd1; 50 | } 51 | 52 | #qunit-header a:hover, 53 | #qunit-header a:focus { 54 | color: #fff; 55 | } 56 | 57 | #qunit-header label { 58 | display: inline-block; 59 | padding-left: 0.5em; 60 | } 61 | 62 | #qunit-banner { 63 | height: 5px; 64 | } 65 | 66 | #qunit-testrunner-toolbar { 67 | padding: 0.5em 0 0.5em 2em; 68 | color: #5E740B; 69 | background-color: #eee; 70 | } 71 | 72 | #qunit-userAgent { 73 | padding: 0.5em 0 0.5em 2.5em; 74 | background-color: #2b81af; 75 | color: #fff; 76 | text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px; 77 | } 78 | 79 | 80 | /** Tests: Pass/Fail */ 81 | 82 | #qunit-tests { 83 | list-style-position: inside; 84 | } 85 | 86 | #qunit-tests li { 87 | padding: 0.4em 0.5em 0.4em 2.5em; 88 | border-bottom: 1px solid #fff; 89 | list-style-position: inside; 90 | } 91 | 92 | #qunit-tests.hidepass li.pass, #qunit-tests.hidepass li.running { 93 | display: none; 94 | } 95 | 96 | #qunit-tests li strong { 97 | cursor: pointer; 98 | } 99 | 100 | #qunit-tests li a { 101 | padding: 0.5em; 102 | color: #c2ccd1; 103 | text-decoration: none; 104 | } 105 | #qunit-tests li a:hover, 106 | #qunit-tests li a:focus { 107 | color: #000; 108 | } 109 | 110 | #qunit-tests ol { 111 | margin-top: 0.5em; 112 | padding: 0.5em; 113 | 114 | background-color: #fff; 115 | 116 | border-radius: 15px; 117 | -moz-border-radius: 15px; 118 | -webkit-border-radius: 15px; 119 | 120 | box-shadow: inset 0px 2px 13px #999; 121 | -moz-box-shadow: inset 0px 2px 13px #999; 122 | -webkit-box-shadow: inset 0px 2px 13px #999; 123 | } 124 | 125 | #qunit-tests table { 126 | border-collapse: collapse; 127 | margin-top: .2em; 128 | } 129 | 130 | #qunit-tests th { 131 | text-align: right; 132 | vertical-align: top; 133 | padding: 0 .5em 0 0; 134 | } 135 | 136 | #qunit-tests td { 137 | vertical-align: top; 138 | } 139 | 140 | #qunit-tests pre { 141 | margin: 0; 142 | white-space: pre-wrap; 143 | word-wrap: break-word; 144 | } 145 | 146 | #qunit-tests del { 147 | background-color: #e0f2be; 148 | color: #374e0c; 149 | text-decoration: none; 150 | } 151 | 152 | #qunit-tests ins { 153 | background-color: #ffcaca; 154 | color: #500; 155 | text-decoration: none; 156 | } 157 | 158 | /*** Test Counts */ 159 | 160 | #qunit-tests b.counts { color: black; } 161 | #qunit-tests b.passed { color: #5E740B; } 162 | #qunit-tests b.failed { color: #710909; } 163 | 164 | #qunit-tests li li { 165 | margin: 0.5em; 166 | padding: 0.4em 0.5em 0.4em 0.5em; 167 | background-color: #fff; 168 | border-bottom: none; 169 | list-style-position: inside; 170 | } 171 | 172 | /*** Passing Styles */ 173 | 174 | #qunit-tests li li.pass { 175 | color: #5E740B; 176 | background-color: #fff; 177 | border-left: 26px solid #C6E746; 178 | } 179 | 180 | #qunit-tests .pass { color: #528CE0; background-color: #D2E0E6; } 181 | #qunit-tests .pass .test-name { color: #366097; } 182 | 183 | #qunit-tests .pass .test-actual, 184 | #qunit-tests .pass .test-expected { color: #999999; } 185 | 186 | #qunit-banner.qunit-pass { background-color: #C6E746; } 187 | 188 | /*** Failing Styles */ 189 | 190 | #qunit-tests li li.fail { 191 | color: #710909; 192 | background-color: #fff; 193 | border-left: 26px solid #EE5757; 194 | white-space: pre; 195 | } 196 | 197 | #qunit-tests > li:last-child { 198 | border-radius: 0 0 15px 15px; 199 | -moz-border-radius: 0 0 15px 15px; 200 | -webkit-border-bottom-right-radius: 15px; 201 | -webkit-border-bottom-left-radius: 15px; 202 | } 203 | 204 | #qunit-tests .fail { color: #000000; background-color: #EE5757; } 205 | #qunit-tests .fail .test-name, 206 | #qunit-tests .fail .module-name { color: #000000; } 207 | 208 | #qunit-tests .fail .test-actual { color: #EE5757; } 209 | #qunit-tests .fail .test-expected { color: green; } 210 | 211 | #qunit-banner.qunit-fail { background-color: #EE5757; } 212 | 213 | 214 | /** Result */ 215 | 216 | #qunit-testresult { 217 | padding: 0.5em 0.5em 0.5em 2.5em; 218 | 219 | color: #2b81af; 220 | background-color: #D2E0E6; 221 | 222 | border-bottom: 1px solid white; 223 | } 224 | #qunit-testresult .module-name { 225 | font-weight: bold; 226 | } 227 | 228 | /** Fixture */ 229 | 230 | #qunit-fixture { 231 | position: absolute; 232 | top: -10000px; 233 | left: -10000px; 234 | width: 1000px; 235 | height: 1000px; 236 | } 237 | -------------------------------------------------------------------------------- /test/fixtures/modernizr.min.js: -------------------------------------------------------------------------------- 1 | /* Modernizr 2.5.3 (Custom Build) | MIT & BSD 2 | * Build: http://modernizr.com/download/#-shiv-cssclasses-load 3 | */ 4 | ;window.Modernizr=function(a,b,c){function u(a){j.cssText=a}function v(a,b){return u(prefixes.join(a+";")+(b||""))}function w(a,b){return typeof a===b}function x(a,b){return!!~(""+a).indexOf(b)}function y(a,b,d){for(var e in a){var f=b[a[e]];if(f!==c)return d===!1?a[e]:w(f,"function")?f.bind(d||b):f}return!1}var 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Opera]",l=!!b.attachEvent&&!l,u=r?"object":l?"script":"img",v=l?"script":u,w=Array.isArray||function(a){return o.call(a)=="[object Array]"},x=[],y={},z={timeout:function(a,b){return b.length&&(a.timeout=b[0]),a}},A,B;B=function(a){function b(a){var a=a.split("!"),b=x.length,c=a.pop(),d=a.length,c={url:c,origUrl:c,prefixes:a},e,f,g;for(f=0;f= 0 ) { 16 | var item; 17 | var tempScripts = []; 18 | 19 | for ( item in localStorage ) { 20 | if ( item.indexOf( storagePrefix ) === 0 ) { 21 | tempScripts.push( JSON.parse( localStorage[ item ] ) ); 22 | } 23 | } 24 | 25 | if ( tempScripts.length ) { 26 | tempScripts.sort(function( a, b ) { 27 | return a.stamp - b.stamp; 28 | }); 29 | 30 | basket.remove( tempScripts[ 0 ].key ); 31 | 32 | return addLocalStorage( key, storeObj ); 33 | 34 | } else { 35 | // no files to remove. Larger than available quota 36 | return; 37 | } 38 | 39 | } else { 40 | // some other error 41 | return; 42 | } 43 | } 44 | 45 | }; 46 | 47 | var getUrl = function( url ) { 48 | var promise = new RSVP.Promise( function( resolve, reject ){ 49 | 50 | var xhr = new XMLHttpRequest(); 51 | xhr.open( 'GET', url ); 52 | 53 | xhr.onreadystatechange = function() { 54 | if ( xhr.readyState === 4 ) { 55 | if ( ( xhr.status === 200 ) || 56 | ( ( xhr.status === 0 ) && xhr.responseText ) ) { 57 | resolve( { 58 | content: xhr.responseText, 59 | type: xhr.getResponseHeader('content-type') 60 | } ); 61 | } else { 62 | reject( new Error( xhr.statusText ) ); 63 | } 64 | } 65 | }; 66 | 67 | // By default XHRs never timeout, and even Chrome doesn't implement the 68 | // spec for xhr.timeout. So we do it ourselves. 69 | setTimeout( function () { 70 | if( xhr.readyState < 4 ) { 71 | xhr.abort(); 72 | } 73 | }, basket.timeout ); 74 | 75 | xhr.send(); 76 | }); 77 | 78 | return promise; 79 | }; 80 | 81 | var saveUrl = function( obj ) { 82 | return getUrl( obj.url ).then( function( result ) { 83 | var storeObj = wrapStoreData( obj, result ); 84 | 85 | if (!obj.skipCache) { 86 | addLocalStorage( obj.key , storeObj ); 87 | } 88 | 89 | return storeObj; 90 | }); 91 | }; 92 | 93 | var wrapStoreData = function( obj, data ) { 94 | var now = +new Date(); 95 | obj.data = data.content; 96 | obj.originalType = data.type; 97 | obj.type = obj.type || data.type; 98 | obj.skipCache = obj.skipCache || false; 99 | obj.stamp = now; 100 | obj.expire = now + ( ( obj.expire || defaultExpiration ) * 60 * 60 * 1000 ); 101 | 102 | return obj; 103 | }; 104 | 105 | var isCacheValid = function(source, obj) { 106 | return !source || 107 | source.expire - +new Date() < 0 || 108 | obj.unique !== source.unique || 109 | (basket.isValidItem && !basket.isValidItem(source, obj)); 110 | }; 111 | 112 | var handleStackObject = function( obj ) { 113 | var source, promise, shouldFetch; 114 | 115 | if ( !obj.url ) { 116 | return; 117 | } 118 | 119 | obj.key = ( obj.key || obj.url ); 120 | source = basket.get( obj.key ); 121 | 122 | obj.execute = obj.execute !== false; 123 | 124 | shouldFetch = isCacheValid(source, obj); 125 | 126 | if( obj.live || shouldFetch ) { 127 | if ( obj.unique ) { 128 | // set parameter to prevent browser cache 129 | obj.url += ( ( obj.url.indexOf('?') > 0 ) ? '&' : '?' ) + 'basket-unique=' + obj.unique; 130 | } 131 | promise = saveUrl( obj ); 132 | 133 | if( obj.live && !shouldFetch ) { 134 | promise = promise 135 | .then( function( result ) { 136 | // If we succeed, just return the value 137 | // RSVP doesn't have a .fail convenience method 138 | return result; 139 | }, function() { 140 | return source; 141 | }); 142 | } 143 | } else { 144 | source.type = obj.type || source.originalType; 145 | source.execute = obj.execute; 146 | promise = new RSVP.Promise( function( resolve ){ 147 | resolve( source ); 148 | }); 149 | } 150 | 151 | return promise; 152 | }; 153 | 154 | var injectScript = function( obj ) { 155 | var script = document.createElement('script'); 156 | script.defer = true; 157 | // Have to use .text, since we support IE8, 158 | // which won't allow appending to a script 159 | script.text = obj.data; 160 | head.appendChild( script ); 161 | }; 162 | 163 | var handlers = { 164 | 'default': injectScript 165 | }; 166 | 167 | var execute = function( obj ) { 168 | if( obj.type && handlers[ obj.type ] ) { 169 | return handlers[ obj.type ]( obj ); 170 | } 171 | 172 | return handlers['default']( obj ); // 'default' is a reserved word 173 | }; 174 | 175 | var performActions = function( resources ) { 176 | return resources.map( function( obj ) { 177 | if( obj.execute ) { 178 | execute( obj ); 179 | } 180 | 181 | return obj; 182 | } ); 183 | }; 184 | 185 | var fetch = function() { 186 | var i, l, promises = []; 187 | 188 | for ( i = 0, l = arguments.length; i < l; i++ ) { 189 | promises.push( handleStackObject( arguments[ i ] ) ); 190 | } 191 | 192 | return RSVP.all( promises ); 193 | }; 194 | 195 | var thenRequire = function() { 196 | var resources = fetch.apply( null, arguments ); 197 | var promise = this.then( function() { 198 | return resources; 199 | }).then( performActions ); 200 | promise.thenRequire = thenRequire; 201 | return promise; 202 | }; 203 | 204 | window.basket = { 205 | require: function() { 206 | for ( var a = 0, l = arguments.length; a < l; a++ ) { 207 | arguments[a].execute = arguments[a].execute !== false; 208 | 209 | if ( arguments[a].once && inBasket.indexOf(arguments[a].url) >= 0 ) { 210 | arguments[a].execute = false; 211 | } else if ( arguments[a].execute !== false && inBasket.indexOf(arguments[a].url) < 0 ) { 212 | inBasket.push(arguments[a].url); 213 | } 214 | } 215 | 216 | var promise = fetch.apply( null, arguments ).then( performActions ); 217 | 218 | promise.thenRequire = thenRequire; 219 | return promise; 220 | }, 221 | 222 | remove: function( key ) { 223 | localStorage.removeItem( storagePrefix + key ); 224 | return this; 225 | }, 226 | 227 | get: function( key ) { 228 | var item = localStorage.getItem( storagePrefix + key ); 229 | try { 230 | return JSON.parse( item || 'false' ); 231 | } catch( e ) { 232 | return false; 233 | } 234 | }, 235 | 236 | clear: function( expired ) { 237 | var item, key; 238 | var now = +new Date(); 239 | 240 | for ( item in localStorage ) { 241 | key = item.split( storagePrefix )[ 1 ]; 242 | if ( key && ( !expired || this.get( key ).expire <= now ) ) { 243 | this.remove( key ); 244 | } 245 | } 246 | 247 | return this; 248 | }, 249 | 250 | isValidItem: null, 251 | 252 | timeout: 5000, 253 | 254 | addHandler: function( types, handler ) { 255 | if( !Array.isArray( types ) ) { 256 | types = [ types ]; 257 | } 258 | types.forEach( function( type ) { 259 | handlers[ type ] = handler; 260 | }); 261 | }, 262 | 263 | removeHandler: function( types ) { 264 | basket.addHandler( types, undefined ); 265 | } 266 | }; 267 | 268 | // delete expired keys 269 | basket.clear( true ); 270 | 271 | })( this, document ); 272 | -------------------------------------------------------------------------------- /_includes/api.md: -------------------------------------------------------------------------------- 1 | ## API 2 | 3 | * [`basket.require()`](#basketrequire) 4 | * [`basket.get()`](#basketget) 5 | * [`basket.remove()`](#basketremove) 6 | * [`basket.clear()`](#basketclear) 7 | 8 | ### basket.require 9 | 10 | `basket.require(details)` 11 | 12 | *details:* Either an object or an array of objects with the following fields: 13 | 14 | 15 | * **url** (*required*) The URI for the script. At present this must be a URI on the same origin as the caller. 16 | * **key** The name that will be used to refer to this script. By default this is the *uri*. 17 | * **expire** How long (in hours) before the cached item expires. 18 | * **execute** Whether to cause the script to be executed once it has been retrieved. Defaults to true. 19 | * **unique** A token stored with the cached item. If you request the same item again with a different token the script will be fetched and cached again. 20 | * **skipCache** Prevent storing the script in cache. Useful when you want load scripts in order, but only cache some. By default is *false*. 21 | 22 | `require()` returns a [promise](http://wiki.commonjs.org/wiki/Promises/A) that will be fulfilled when each of the requested items has been fetched, or rejected if any item fails. 23 | 24 | #### Examples 25 | 26 | **Single script** 27 | 28 | ```js 29 | basket.require({ url: 'jquery.js' }); 30 | ``` 31 | 32 | This fetches a single script and executes it. If the script was already in the localStorage cache it will be loaded from there, otherwise it will be loaded from the network. The script will then be injected into the document for the browser to execute. 33 | 34 | **Multiple scripts** 35 | 36 | ```js 37 | basket.require( 38 | { url: 'jquery.js' }, 39 | { url: 'underscore.js' }, 40 | { url: 'backbone.js' } 41 | ); 42 | ``` 43 | 44 | Multiple scripts will be requested. The scripts are requested asynchronously but executed in the same order as specified. 45 | 46 | **Multiple scripts without caching some of them** 47 | 48 | ```js 49 | basket.require( 50 | { url: 'require.js' }, 51 | { url: 'require.config.js', skipCache: true }, 52 | { url: 'libs.js' } 53 | ); 54 | ``` 55 | 56 | Multiple scripts will be requested. `require.config.js` will not be cached in localStorage. Useful if order of scripts execution is important but storing certain script is not needed, e.g. it changes with each request. 57 | 58 | **Ordering dependencies** 59 | 60 | ```js 61 | basket 62 | .require({ url: 'jquery.js' }) 63 | .then(function () { 64 | basket.require({ url: 'jquery-ui.js' }); 65 | }); 66 | ``` 67 | 68 | Here we ask basket.js to load jQuery. Once it has been fetched and executed, the promise returned by `require()` will be fulfilled and the callback passed to the `then()` method of the promise will be executed. Now we can do anything the requires jquery to be loaded including load any scripts that depend on it. 69 | 70 | **Error handling** 71 | 72 | ```js 73 | basket 74 | .require({ url: 'missing.js' }) 75 | .then(function () { 76 | // Success 77 | }, function (error) { 78 | // There was an error fetching the script 79 | console.log(error); 80 | }); 81 | ``` 82 | 83 | The second parameter to `then()` is a function that will be called if the promise is rejected. That is, if there was an error fetching the script. The only parameter to the error callback will be an Error object with details of the failure. 84 | 85 | **Using an alias** 86 | 87 | ```js 88 | basket.require({ url: 'jquery-2.0.0.min.js', key: 'jquery' }); 89 | ``` 90 | 91 | If you wish to store a script under a specific key name (e.g. if you have a build process which creates a script with a name like `012345.js` and want to store it as, say, `main`), you can set the `key` property to the name you want to use. 92 | 93 | This can also be useful for libraries with version numbers in their URIs when you don't need a particular version. In the above example the cache will be checked for a script stored as "jquery" regardless of its original URI. This allows us to use an older version stored in the cache if one exists. 94 | 95 | If `key` is not set the url will be used instead. 96 | 97 | **Cache expiry** 98 | 99 | ```js 100 | basket.require({ url: 'jquery.min.js', expire: 2 }) 101 | ``` 102 | 103 | Here script will only be cached for up to 2 hours. After that time it will be fetched from the network again even if it exists in the cache. To re-fetch after 7 days you could set 168 ( i.e. 7 * 24 = 168 ). 104 | 105 | If `expire` is not set, the default time of 5000 hours will be used - almost 7 months. 106 | 107 | **Cache a file without executing it** 108 | 109 | ```js 110 | basket.require({ url: 'jquery.min.js', execute: false }); 111 | ``` 112 | 113 | The script will be cached but will not be added to the document to be executed. 114 | 115 | **Cache busting** 116 | 117 | ```js 118 | // fetch and cache the file 119 | basket.require({ url: 'jquery.min.js' }); 120 | // fetch and cache again 121 | basket.require({ url: 'jquery.min.js', unique: 123 }); 122 | ``` 123 | 124 | Set the `unique` property to control whether the script will be loaded from the cache. If the parameter is different in the request to that stored in the cache the file is fetched again. 125 | 126 | basket.js will add the "basket-unique" parameter on to the url to also prevent the script being fetched from the browser cache. 127 | 128 | 129 | ### basket.get 130 | 131 | `basket.get(key)` 132 | 133 | **key** The key to lookup in the localStorage cache. 134 | 135 | `get()` will return an object if script is found or false if not. The object contains the same data as that passed to `require()` when it was first loaded, with some additional details added: 136 | 137 | * **stamp** The timestamp for when the file was fetched. 138 | * **expire** The timestamp for when the item will expire. 139 | * **data** The file contents of the script. 140 | 141 | ```js 142 | var req 143 | var ttl; 144 | 145 | basket.require({ url: 'jquery.min.js', key: 'jquery' }); 146 | req = basket.get('jquery'); 147 | // know the lifetime 148 | ttl = req.expire - req.stamp; 149 | ``` 150 | 151 | 152 | ### basket.remove 153 | 154 | `basket.remove(key)` 155 | 156 | **key** The key to remove from the localStorage cache. 157 | 158 | `remove()` will simply remove a previously cached script from localStorage. An example of how to use it can be seen below: 159 | 160 | ```js 161 | basket 162 | .remove('jquery.js') 163 | .remove('modernizr'); 164 | ``` 165 | 166 | ### basket.clear 167 | 168 | `basket.clear(expired)` 169 | 170 | **expired** If `expired` is true then only items that have expired will be removed. Otherwise all items are removed. 171 | 172 | `clear()` removes items from the cache. 173 | 174 | ```js 175 | basket.clear(); 176 | basket.clear(true); 177 | ``` 178 | 179 | ### basket.isValidItem 180 | 181 | `basket.isValidItem(source, obj)` 182 | 183 | * **source** The source of the item returned from localStorage 184 | * **obj** The item passed into `require` 185 | 186 | **Optional** This property can be set to a custom validation method that should return a boolean value depending on the validity of the item `(source)`. `isValidItem` is called for each item in a `require` call. 187 | 188 | `isValidItem()` is expected to return `true` is the item is valid. If `isValidItem()` returns `false`, the item will be loaded from the network. `isValidItem()` if present is an additonal check and does not override the existing checks for expiration and uniqueness. 189 | 190 | This is targetted at advanced usage and is strictly optional. The use of `unique` and `expire` parameters are the most appropriate way to handle common scenarios. 191 | 192 | ```js 193 | basket.isValidItem = function (source, obj) { 194 | return myVerificationFunction(source, obj); 195 | }; 196 | ``` 197 | -------------------------------------------------------------------------------- /dist/basket.js: -------------------------------------------------------------------------------- 1 | /*! 2 | * basket.js 3 | * v0.5.2 - 2015-02-07 4 | * http://addyosmani.github.com/basket.js 5 | * (c) Addy Osmani; License 6 | * Created by: Addy Osmani, Sindre Sorhus, Andrée Hansson, Mat Scales 7 | * Contributors: Ironsjp, Mathias Bynens, Rick Waldron, Felipe Morais 8 | * Uses rsvp.js, https://github.com/tildeio/rsvp.js 9 | */(function( window, document ) { 10 | 'use strict'; 11 | 12 | var head = document.head || document.getElementsByTagName('head')[0]; 13 | var storagePrefix = 'basket-'; 14 | var defaultExpiration = 5000; 15 | var inBasket = []; 16 | 17 | var addLocalStorage = function( key, storeObj ) { 18 | try { 19 | localStorage.setItem( storagePrefix + key, JSON.stringify( storeObj ) ); 20 | return true; 21 | } catch( e ) { 22 | if ( e.name.toUpperCase().indexOf('QUOTA') >= 0 ) { 23 | var item; 24 | var tempScripts = []; 25 | 26 | for ( item in localStorage ) { 27 | if ( item.indexOf( storagePrefix ) === 0 ) { 28 | tempScripts.push( JSON.parse( localStorage[ item ] ) ); 29 | } 30 | } 31 | 32 | if ( tempScripts.length ) { 33 | tempScripts.sort(function( a, b ) { 34 | return a.stamp - b.stamp; 35 | }); 36 | 37 | basket.remove( tempScripts[ 0 ].key ); 38 | 39 | return addLocalStorage( key, storeObj ); 40 | 41 | } else { 42 | // no files to remove. Larger than available quota 43 | return; 44 | } 45 | 46 | } else { 47 | // some other error 48 | return; 49 | } 50 | } 51 | 52 | }; 53 | 54 | var getUrl = function( url ) { 55 | var promise = new RSVP.Promise( function( resolve, reject ){ 56 | 57 | var xhr = new XMLHttpRequest(); 58 | xhr.open( 'GET', url ); 59 | 60 | xhr.onreadystatechange = function() { 61 | if ( xhr.readyState === 4 ) { 62 | if ( ( xhr.status === 200 ) || 63 | ( ( xhr.status === 0 ) && xhr.responseText ) ) { 64 | resolve( { 65 | content: xhr.responseText, 66 | type: xhr.getResponseHeader('content-type') 67 | } ); 68 | } else { 69 | reject( new Error( xhr.statusText ) ); 70 | } 71 | } 72 | }; 73 | 74 | // By default XHRs never timeout, and even Chrome doesn't implement the 75 | // spec for xhr.timeout. So we do it ourselves. 76 | setTimeout( function () { 77 | if( xhr.readyState < 4 ) { 78 | xhr.abort(); 79 | } 80 | }, basket.timeout ); 81 | 82 | xhr.send(); 83 | }); 84 | 85 | return promise; 86 | }; 87 | 88 | var saveUrl = function( obj ) { 89 | return getUrl( obj.url ).then( function( result ) { 90 | var storeObj = wrapStoreData( obj, result ); 91 | 92 | if (!obj.skipCache) { 93 | addLocalStorage( obj.key , storeObj ); 94 | } 95 | 96 | return storeObj; 97 | }); 98 | }; 99 | 100 | var wrapStoreData = function( obj, data ) { 101 | var now = +new Date(); 102 | obj.data = data.content; 103 | obj.originalType = data.type; 104 | obj.type = obj.type || data.type; 105 | obj.skipCache = obj.skipCache || false; 106 | obj.stamp = now; 107 | obj.expire = now + ( ( obj.expire || defaultExpiration ) * 60 * 60 * 1000 ); 108 | 109 | return obj; 110 | }; 111 | 112 | var isCacheValid = function(source, obj) { 113 | return !source || 114 | source.expire - +new Date() < 0 || 115 | obj.unique !== source.unique || 116 | (basket.isValidItem && !basket.isValidItem(source, obj)); 117 | }; 118 | 119 | var handleStackObject = function( obj ) { 120 | var source, promise, shouldFetch; 121 | 122 | if ( !obj.url ) { 123 | return; 124 | } 125 | 126 | obj.key = ( obj.key || obj.url ); 127 | source = basket.get( obj.key ); 128 | 129 | obj.execute = obj.execute !== false; 130 | 131 | shouldFetch = isCacheValid(source, obj); 132 | 133 | if( obj.live || shouldFetch ) { 134 | if ( obj.unique ) { 135 | // set parameter to prevent browser cache 136 | obj.url += ( ( obj.url.indexOf('?') > 0 ) ? '&' : '?' ) + 'basket-unique=' + obj.unique; 137 | } 138 | promise = saveUrl( obj ); 139 | 140 | if( obj.live && !shouldFetch ) { 141 | promise = promise 142 | .then( function( result ) { 143 | // If we succeed, just return the value 144 | // RSVP doesn't have a .fail convenience method 145 | return result; 146 | }, function() { 147 | return source; 148 | }); 149 | } 150 | } else { 151 | source.type = obj.type || source.originalType; 152 | source.execute = obj.execute; 153 | promise = new RSVP.Promise( function( resolve ){ 154 | resolve( source ); 155 | }); 156 | } 157 | 158 | return promise; 159 | }; 160 | 161 | var injectScript = function( obj ) { 162 | var script = document.createElement('script'); 163 | script.defer = true; 164 | // Have to use .text, since we support IE8, 165 | // which won't allow appending to a script 166 | script.text = obj.data; 167 | head.appendChild( script ); 168 | }; 169 | 170 | var handlers = { 171 | 'default': injectScript 172 | }; 173 | 174 | var execute = function( obj ) { 175 | if( obj.type && handlers[ obj.type ] ) { 176 | return handlers[ obj.type ]( obj ); 177 | } 178 | 179 | return handlers['default']( obj ); // 'default' is a reserved word 180 | }; 181 | 182 | var performActions = function( resources ) { 183 | return resources.map( function( obj ) { 184 | if( obj.execute ) { 185 | execute( obj ); 186 | } 187 | 188 | return obj; 189 | } ); 190 | }; 191 | 192 | var fetch = function() { 193 | var i, l, promises = []; 194 | 195 | for ( i = 0, l = arguments.length; i < l; i++ ) { 196 | promises.push( handleStackObject( arguments[ i ] ) ); 197 | } 198 | 199 | return RSVP.all( promises ); 200 | }; 201 | 202 | var thenRequire = function() { 203 | var resources = fetch.apply( null, arguments ); 204 | var promise = this.then( function() { 205 | return resources; 206 | }).then( performActions ); 207 | promise.thenRequire = thenRequire; 208 | return promise; 209 | }; 210 | 211 | window.basket = { 212 | require: function() { 213 | for ( var a = 0, l = arguments.length; a < l; a++ ) { 214 | arguments[a].execute = arguments[a].execute !== false; 215 | 216 | if ( arguments[a].once && inBasket.indexOf(arguments[a].url) >= 0 ) { 217 | arguments[a].execute = false; 218 | } else if ( arguments[a].execute !== false && inBasket.indexOf(arguments[a].url) < 0 ) { 219 | inBasket.push(arguments[a].url); 220 | } 221 | } 222 | 223 | var promise = fetch.apply( null, arguments ).then( performActions ); 224 | 225 | promise.thenRequire = thenRequire; 226 | return promise; 227 | }, 228 | 229 | remove: function( key ) { 230 | localStorage.removeItem( storagePrefix + key ); 231 | return this; 232 | }, 233 | 234 | get: function( key ) { 235 | var item = localStorage.getItem( storagePrefix + key ); 236 | try { 237 | return JSON.parse( item || 'false' ); 238 | } catch( e ) { 239 | return false; 240 | } 241 | }, 242 | 243 | clear: function( expired ) { 244 | var item, key; 245 | var now = +new Date(); 246 | 247 | for ( item in localStorage ) { 248 | key = item.split( storagePrefix )[ 1 ]; 249 | if ( key && ( !expired || this.get( key ).expire <= now ) ) { 250 | this.remove( key ); 251 | } 252 | } 253 | 254 | return this; 255 | }, 256 | 257 | isValidItem: null, 258 | 259 | timeout: 5000, 260 | 261 | addHandler: function( types, handler ) { 262 | if( !Array.isArray( types ) ) { 263 | types = [ types ]; 264 | } 265 | types.forEach( function( type ) { 266 | handlers[ type ] = handler; 267 | }); 268 | }, 269 | 270 | removeHandler: function( types ) { 271 | basket.addHandler( types, undefined ); 272 | } 273 | }; 274 | 275 | // delete expired keys 276 | basket.clear( true ); 277 | 278 | })( this, document ); 279 | -------------------------------------------------------------------------------- /asset/base.css: -------------------------------------------------------------------------------- 1 | /*--------------------- Layout and Typography ----------------------------*/ 2 | body { 3 | font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif; 4 | font-size: 15px; 5 | line-height: 22px; 6 | color: #252519; 7 | margin: 0; padding: 0; 8 | } 9 | a { 10 | color: #261a3b; 11 | } 12 | a:visited { 13 | color: #261a3b; 14 | } 15 | p { 16 | margin: 0 0 15px 0; 17 | } 18 | h1, h2, h3, h4, h5, h6 { 19 | margin: 0px 0 15px 0; 20 | } 21 | h1 { 22 | margin-top: 40px; 23 | } 24 | h2{ 25 | line-height:32px; 26 | } 27 | #container { 28 | position: relative; 29 | padding: 40px; 30 | width: 650px; 31 | 32 | margin:0 auto; 33 | } 34 | #background { 35 | position: fixed; 36 | top: 0; left: 525px; right: 0; bottom: 0; 37 | background: #f5f5ff; 38 | border-left: 1px solid #e5e5ee; 39 | border-right: 1px solid #e5e5ee; 40 | z-index: -1; 41 | } 42 | 43 | .content{ 44 | width:600px; 45 | } 46 | 47 | blockquote { 48 | padding: 13px 13px 21px 15px; 49 | margin-bottom: 18px; 50 | font-family:georgia,serif; 51 | font-style: italic; 52 | } 53 | blockquote:before { 54 | content:"\201C"; 55 | font-size:40px; 56 | margin-left:-10px; 57 | font-family:georgia,serif; 58 | color:#eee; 59 | } 60 | blockquote p { 61 | font-size: 14px; 62 | font-weight: 300; 63 | line-height: 18px; 64 | margin-bottom: 0; 65 | font-style: italic; 66 | } 67 | 68 | table td { 69 | border: 0; 70 | outline: 0; 71 | } 72 | td.docs, th.docs { 73 | max-width: 450px; 74 | min-width: 450px; 75 | min-height: 5px; 76 | padding: 10px 25px 1px 50px; 77 | overflow-x: hidden; 78 | vertical-align: top; 79 | text-align: left; 80 | } 81 | .docs pre { 82 | margin: 15px 0 15px; 83 | padding-left: 15px; 84 | } 85 | .docs p tt, .docs p code { 86 | background: #f8f8ff; 87 | border: 1px solid #dedede; 88 | font-size: 12px; 89 | padding: 0 0.2em; 90 | } 91 | .pilwrap { 92 | position: relative; 93 | } 94 | .pilcrow { 95 | font: 12px Arial; 96 | text-decoration: none; 97 | color: #454545; 98 | position: absolute; 99 | top: 3px; left: -20px; 100 | padding: 1px 2px; 101 | opacity: 0; 102 | -webkit-transition: opacity 0.2s linear; 103 | } 104 | td.docs:hover .pilcrow { 105 | opacity: 1; 106 | } 107 | td.code, th.code { 108 | padding: 14px 15px 16px 25px; 109 | width: 100%; 110 | vertical-align: top; 111 | background: #f5f5ff; 112 | border-left: 1px solid #e5e5ee; 113 | } 114 | pre, tt, code { 115 | font-size: 12px; line-height: 18px; 116 | font-family: Menlo, Monaco, Consolas, "Lucida Console", monospace; 117 | margin: 0; padding: 0; 118 | } 119 | 120 | 121 | /*---------------------- Syntax Highlighting -----------------------------*/ 122 | td.linenos { background-color: #f0f0f0; padding-right: 10px; } 123 | span.lineno { background-color: #f0f0f0; padding: 0 5px 0 5px; } 124 | body .hll { background-color: #ffffcc } 125 | body .c { color: #408080; font-style: italic } /* Comment */ 126 | body .err { border: 1px solid #FF0000 } /* Error */ 127 | body .k { color: #954121 } /* Keyword */ 128 | body .o { color: #666666 } /* Operator */ 129 | body .cm { color: #408080; font-style: italic } /* Comment.Multiline */ 130 | body .cp { color: #BC7A00 } /* Comment.Preproc */ 131 | body .c1 { color: #408080; font-style: italic } /* Comment.Single */ 132 | body .cs { color: #408080; font-style: italic } /* Comment.Special */ 133 | body .gd { color: #A00000 } /* Generic.Deleted */ 134 | body .ge { font-style: italic } /* Generic.Emph */ 135 | body .gr { color: #FF0000 } /* Generic.Error */ 136 | body .gh { color: #000080; font-weight: bold } /* Generic.Heading */ 137 | body .gi { color: #00A000 } /* Generic.Inserted */ 138 | body .go { color: #808080 } /* Generic.Output */ 139 | body .gp { color: #000080; font-weight: bold } /* Generic.Prompt */ 140 | body .gs { font-weight: bold } /* Generic.Strong */ 141 | body .gu { color: #800080; font-weight: bold } /* Generic.Subheading */ 142 | body .gt { color: #0040D0 } /* Generic.Traceback */ 143 | body .kc { color: #954121 } /* Keyword.Constant */ 144 | body .kd { color: #954121; font-weight: bold } /* Keyword.Declaration */ 145 | body .kn { color: #954121; font-weight: bold } /* Keyword.Namespace */ 146 | body .kp { color: #954121 } /* Keyword.Pseudo */ 147 | body .kr { color: #954121; font-weight: bold } /* Keyword.Reserved */ 148 | body .kt { color: #B00040 } /* Keyword.Type */ 149 | body .m { color: #666666 } /* Literal.Number */ 150 | body .s { color: #219161 } /* Literal.String */ 151 | body .na { color: #7D9029 } /* Name.Attribute */ 152 | body .nb { color: #954121 } /* Name.Builtin */ 153 | body .nc { color: #0000FF; font-weight: bold } /* Name.Class */ 154 | body .no { color: #880000 } /* Name.Constant */ 155 | body .nd { color: #AA22FF } /* Name.Decorator */ 156 | body .ni { color: #999999; font-weight: bold } /* Name.Entity */ 157 | body .ne { color: #D2413A; font-weight: bold } /* Name.Exception */ 158 | body .nf { color: #0000FF } /* Name.Function */ 159 | body .nl { color: #A0A000 } /* Name.Label */ 160 | body .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */ 161 | body .nt { color: #954121; font-weight: bold } /* Name.Tag */ 162 | body .nv { color: #19469D } /* Name.Variable */ 163 | body .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */ 164 | body .w { color: #bbbbbb } /* Text.Whitespace */ 165 | body .mf { color: #666666 } /* Literal.Number.Float */ 166 | body .mh { color: #666666 } /* Literal.Number.Hex */ 167 | body .mi { color: #666666 } /* Literal.Number.Integer */ 168 | body .mo { color: #666666 } /* Literal.Number.Oct */ 169 | body .sb { color: #219161 } /* Literal.String.Backtick */ 170 | body .sc { color: #219161 } /* Literal.String.Char */ 171 | body .sd { color: #219161; font-style: italic } /* Literal.String.Doc */ 172 | body .s2 { color: #219161 } /* Literal.String.Double */ 173 | body .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */ 174 | body .sh { color: #219161 } /* Literal.String.Heredoc */ 175 | body .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */ 176 | body .sx { color: #954121 } /* Literal.String.Other */ 177 | body .sr { color: #BB6688 } /* Literal.String.Regex */ 178 | body .s1 { color: #219161 } /* Literal.String.Single */ 179 | body .ss { color: #19469D } /* Literal.String.Symbol */ 180 | body .bp { color: #954121 } /* Name.Builtin.Pseudo */ 181 | body .vc { color: #19469D } /* Name.Variable.Class */ 182 | body .vg { color: #19469D } /* Name.Variable.Global */ 183 | body .vi { color: #19469D } /* Name.Variable.Instance */ 184 | body .il { color: #666666 } /* Literal.Number.Integer.Long */ 185 | 186 | code, pre { 187 | font-family: Monaco, Andale Mono, Courier New, monospace; 188 | } 189 | code { 190 | background-color: #fee9cc; 191 | color: rgba(0, 0, 0, 0.75); 192 | padding: 1px 3px; 193 | font-size: 12px; 194 | -webkit-border-radius: 3px; 195 | -moz-border-radius: 3px; 196 | border-radius: 3px; 197 | } 198 | pre { 199 | display: block; 200 | padding: 14px; 201 | margin: 0 10px 18px; 202 | line-height: 16px; 203 | font-size: 11px; 204 | border: 1px solid 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z.call(arguments,1);b=a.shift();){if(c=d[b])for(e=c.tail;(c=c.next)!==e;)c.callback.apply(c.context||this,g);if(c=f){e=c.tail;for(b=[b].concat(g);(c=c.next)!==e;)c.callback.apply(c.context||this,b)}}return this}};k.bind=k.on;k.unbind=k.off;var o=g.Model=function(a,b){var c;a||(a={});b&&b.parse&&(a=this.parse(a));if(c=n(this,"defaults"))a=f.extend({},c,a);b&&b.collection&&(this.collection=b.collection);this.attributes={};this._escapedAttributes={};this.cid=f.uniqueId("c");this.changed={};this._silent= 10 | {};this._pending={};this.set(a,{silent:!0});this.changed={};this._silent={};this._pending={};this._previousAttributes=f.clone(this.attributes);this.initialize.apply(this,arguments)};f.extend(o.prototype,k,{changed:null,_silent:null,_pending:null,idAttribute:"id",initialize:function(){},toJSON:function(){return f.clone(this.attributes)},get:function(a){return this.attributes[a]},escape:function(a){var b;if(b=this._escapedAttributes[a])return b;b=this.get(a);return this._escapedAttributes[a]=f.escape(null== 11 | b?"":""+b)},has:function(a){return null!=this.get(a)},set:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c||(c={});if(!d)return this;d instanceof o&&(d=d.attributes);if(c.unset)for(e in d)d[e]=void 0;if(!this._validate(d,c))return!1;this.idAttribute in d&&(this.id=d[this.idAttribute]);var b=c.changes={},h=this.attributes,g=this._escapedAttributes,j=this._previousAttributes||{};for(e in d){a=d[e];if(!f.isEqual(h[e],a)||c.unset&&f.has(h,e))delete g[e],(c.silent?this._silent: 12 | b)[e]=!0;c.unset?delete h[e]:h[e]=a;!f.isEqual(j[e],a)||f.has(h,e)!=f.has(j,e)?(this.changed[e]=a,c.silent||(this._pending[e]=!0)):(delete this.changed[e],delete this._pending[e])}c.silent||this.change(c);return this},unset:function(a,b){(b||(b={})).unset=!0;return this.set(a,null,b)},clear:function(a){(a||(a={})).unset=!0;return this.set(f.clone(this.attributes),a)},fetch:function(a){var a=a?f.clone(a):{},b=this,c=a.success;a.success=function(d,e,f){if(!b.set(b.parse(d,f),a))return!1;c&&c(b,d)}; 13 | a.error=g.wrapError(a.error,b,a);return(this.sync||g.sync).call(this,"read",this,a)},save:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c=c?f.clone(c):{};if(c.wait){if(!this._validate(d,c))return!1;e=f.clone(this.attributes)}a=f.extend({},c,{silent:!0});if(d&&!this.set(d,c.wait?a:c))return!1;var h=this,i=c.success;c.success=function(a,b,e){b=h.parse(a,e);if(c.wait){delete c.wait;b=f.extend(d||{},b)}if(!h.set(b,c))return false;i?i(h,a):h.trigger("sync",h,a,c)};c.error=g.wrapError(c.error, 14 | h,c);b=this.isNew()?"create":"update";b=(this.sync||g.sync).call(this,b,this,c);c.wait&&this.set(e,a);return b},destroy:function(a){var a=a?f.clone(a):{},b=this,c=a.success,d=function(){b.trigger("destroy",b,b.collection,a)};if(this.isNew())return d(),!1;a.success=function(e){a.wait&&d();c?c(b,e):b.trigger("sync",b,e,a)};a.error=g.wrapError(a.error,b,a);var e=(this.sync||g.sync).call(this,"delete",this,a);a.wait||d();return e},url:function(){var a=n(this,"urlRoot")||n(this.collection,"url")||t(); 15 | return this.isNew()?a:a+("/"==a.charAt(a.length-1)?"":"/")+encodeURIComponent(this.id)},parse:function(a){return a},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return null==this.id},change:function(a){a||(a={});var b=this._changing;this._changing=!0;for(var c in this._silent)this._pending[c]=!0;var d=f.extend({},a.changes,this._silent);this._silent={};for(c in d)this.trigger("change:"+c,this,this.get(c),a);if(b)return this;for(;!f.isEmpty(this._pending);){this._pending= 16 | {};this.trigger("change",this,a);for(c in this.changed)!this._pending[c]&&!this._silent[c]&&delete this.changed[c];this._previousAttributes=f.clone(this.attributes)}this._changing=!1;return this},hasChanged:function(a){return!arguments.length?!f.isEmpty(this.changed):f.has(this.changed,a)},changedAttributes:function(a){if(!a)return this.hasChanged()?f.clone(this.changed):!1;var b,c=!1,d=this._previousAttributes,e;for(e in a)if(!f.isEqual(d[e],b=a[e]))(c||(c={}))[e]=b;return c},previous:function(a){return!arguments.length|| 17 | !this._previousAttributes?null:this._previousAttributes[a]},previousAttributes:function(){return f.clone(this._previousAttributes)},isValid:function(){return!this.validate(this.attributes)},_validate:function(a,b){if(b.silent||!this.validate)return!0;var a=f.extend({},this.attributes,a),c=this.validate(a,b);if(!c)return!0;b&&b.error?b.error(this,c,b):this.trigger("error",this,c,b);return!1}});var r=g.Collection=function(a,b){b||(b={});b.model&&(this.model=b.model);b.comparator&&(this.comparator=b.comparator); 18 | this._reset();this.initialize.apply(this,arguments);a&&this.reset(a,{silent:!0,parse:b.parse})};f.extend(r.prototype,k,{model:o,initialize:function(){},toJSON:function(a){return this.map(function(b){return b.toJSON(a)})},add:function(a,b){var c,d,e,g,i,j={},k={},l=[];b||(b={});a=f.isArray(a)?a.slice():[a];c=0;for(d=a.length;c=b))this.iframe=i('