├── README.md ├── index.js ├── node_modules ├── .bin │ └── mime ├── mime │ ├── .npmignore │ ├── LICENSE │ ├── README.md │ ├── build │ │ ├── build.js │ │ └── test.js │ ├── cli.js │ ├── mime.js │ ├── package.json │ └── types.json └── underscore │ ├── LICENSE │ ├── README.md │ ├── package.json │ ├── underscore-min.js │ ├── underscore-min.map │ └── underscore.js └── package.json /README.md: -------------------------------------------------------------------------------- 1 | # node-unoconv 2 | 3 | A node.js wrapper for converting documents with [unoconv](http://dag.wieers.com/home-made/unoconv/). 4 | 5 | ## Requirements 6 | 7 | [Unoconv](http://dag.wieers.com/home-made/unoconv/) is required, which requires [LibreOffice](http://www.libreoffice.org/) (or OpenOffice.) 8 | 9 | ## Install 10 | 11 | Install with: 12 | 13 | npm install unoconv 14 | 15 | ## Converting documents 16 | 17 | var unoconv = require('unoconv'); 18 | 19 | unoconv.convert('document.docx', 'pdf', function (err, result) { 20 | // result is returned as a Buffer 21 | fs.writeFile('converted.pdf', result); 22 | }); 23 | 24 | ## Starting a listener 25 | 26 | You can also start a unoconv listener to avoid launching Libre/OpenOffice on every conversion: 27 | 28 | unoconv.listen(); 29 | 30 | ## API 31 | 32 | ### unoconv.convert(file, outputFormat, [options], callback) 33 | 34 | Converts `file` to the specified `outputFormat`. `options` is an object with the following properties: 35 | 36 | * `bin` Path to the unoconv binary 37 | * `port` Unoconv listener port to connect to 38 | 39 | `callback` gets the arguments `err` and `result`. `result` is returned as a Buffer object. 40 | 41 | 42 | ### unoconv.listen([options]) 43 | 44 | Starts a new unoconv listener. `options` accepts the same parameters as `convert()`. 45 | 46 | Returns a `ChildProcess` object. You can handle errors by listening to the `stderr` property: 47 | 48 | var listener = unoconv.listen({ port: 2002 }); 49 | 50 | listener.stderr.on('data', function (data) { 51 | console.log('stderr: ' + data.toString('utf8')); 52 | }); 53 | 54 | ### unoconv.detectSupportedFormats([options], callback) 55 | 56 | This function parses the output of `unoconv --show` to attempt to detect supported output formats. 57 | 58 | `options` is an object with the following properties: 59 | 60 | * `bin` Path to the unoconv binary 61 | 62 | `callback` gets the arguments `err` and `result`. `result` is an object containing a collection of supported document types and output formats. 63 | 64 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | 'use strict'; 2 | 3 | var _ = require('underscore'), 4 | childProcess = require('child_process'), 5 | mime = require('mime'); 6 | 7 | var unoconv = exports = module.exports = {}; 8 | 9 | /** 10 | * Convert a document. 11 | * 12 | * @param {String} file 13 | * @param {String} outputFormat 14 | * @param {Object|Function} options 15 | * @param {Function} callback 16 | * @api public 17 | */ 18 | unoconv.convert = function(file, outputFormat, options, callback) { 19 | var self = this, 20 | args, 21 | bin = 'unoconv', 22 | child, 23 | stdout = [], 24 | stderr = []; 25 | 26 | if (_.isFunction(options)) { 27 | callback = options; 28 | options = null; 29 | } 30 | 31 | args = [ 32 | '-f' + outputFormat, 33 | '--stdout' 34 | ]; 35 | 36 | if (options && options.port) { 37 | args.push('-p' + options.port) 38 | } 39 | 40 | if (options && options.charset) { 41 | args.push('-i ' + options.charset) 42 | } 43 | 44 | args.push(file); 45 | 46 | if (options && options.bin) { 47 | bin = options.bin; 48 | } 49 | 50 | child = childProcess.spawn(bin, args); 51 | 52 | child.stdout.on('data', function (data) { 53 | stdout.push(data); 54 | }); 55 | 56 | child.stderr.on('data', function (data) { 57 | stderr.push(data); 58 | }); 59 | 60 | child.on('exit', function () { 61 | if (stderr.length) { 62 | return callback(new Error(Buffer.concat(stderr).toString())); 63 | } 64 | 65 | callback(null, Buffer.concat(stdout)); 66 | }); 67 | 68 | }; 69 | 70 | /** 71 | * Start a listener. 72 | * 73 | * @param {Object} options 74 | * @return {ChildProcess} 75 | * @api public 76 | */ 77 | unoconv.listen = function (options) { 78 | var self = this, 79 | args, 80 | bin = 'unoconv'; 81 | 82 | args = [ '--listener' ]; 83 | 84 | if (options && options.port) { 85 | args.push('-p' + options.port); 86 | } 87 | 88 | if (options && options.bin) { 89 | bin = options.bin; 90 | } 91 | 92 | return childProcess.spawn(bin, args); 93 | }; 94 | 95 | /** 96 | * Detect supported conversion formats. 97 | * 98 | * @param {Object|Function} options 99 | * @param {Function} callback 100 | */ 101 | unoconv.detectSupportedFormats = function (options, callback) { 102 | var self = this, 103 | docType, 104 | detectedFormats = { 105 | document: [], 106 | graphics: [], 107 | presentation: [], 108 | spreadsheet: [] 109 | }, 110 | bin = 'unoconv'; 111 | 112 | if (_.isFunction(options)) { 113 | callback = options; 114 | options = null; 115 | } 116 | 117 | if (options && options.bin) { 118 | bin = options.bin; 119 | } 120 | 121 | childProcess.execFile(bin, [ '--show' ], function (err, stdout, stderr) { 122 | if (err) { 123 | return callback(err); 124 | } 125 | 126 | // For some reason --show outputs to stderr instead of stdout 127 | var lines = stderr.split('\n'); 128 | 129 | lines.forEach(function (line) { 130 | if (line === 'The following list of document formats are currently available:') { 131 | docType = 'document'; 132 | } else if (line === 'The following list of graphics formats are currently available:') { 133 | docType = 'graphics'; 134 | } else if (line === 'The following list of presentation formats are currently available:') { 135 | docType = 'presentation'; 136 | } else if (line === 'The following list of spreadsheet formats are currently available:') { 137 | docType = 'spreadsheet'; 138 | } else { 139 | var format = line.match(/^(.*)-/); 140 | 141 | if (format) { 142 | format = format[1].trim(); 143 | } 144 | 145 | var extension = line.match(/\[(.*)\]/); 146 | 147 | if (extension) { 148 | extension = extension[1].trim().replace('.', ''); 149 | } 150 | 151 | var description = line.match(/-(.*)\[/); 152 | 153 | if (description) { 154 | description = description[1].trim(); 155 | } 156 | 157 | if (format && extension && description) { 158 | detectedFormats[docType].push({ 159 | 'format': format, 160 | 'extension': extension, 161 | 'description': description, 162 | 'mime': mime.lookup(extension) 163 | }); 164 | } 165 | } 166 | }); 167 | 168 | if (detectedFormats.document.length < 1 && 169 | detectedFormats.graphics.length < 1 && 170 | detectedFormats.presentation.length < 1 && 171 | detectedFormats.spreadsheet.length < 1) { 172 | return callback(new Error('Unable to detect supported formats')); 173 | } 174 | 175 | callback(null, detectedFormats); 176 | }); 177 | }; 178 | -------------------------------------------------------------------------------- /node_modules/.bin/mime: -------------------------------------------------------------------------------- 1 | ../mime/cli.js -------------------------------------------------------------------------------- /node_modules/mime/.npmignore: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/HAASLEWER/unoconv2/f710a25598268e7c765a08f432aa67b9d757d79a/node_modules/mime/.npmignore -------------------------------------------------------------------------------- /node_modules/mime/LICENSE: -------------------------------------------------------------------------------- 1 | Copyright (c) 2010 Benjamin Thomas, Robert Kieffer 2 | 3 | Permission is hereby granted, free of charge, to any person obtaining a copy 4 | of this software and associated documentation files (the "Software"), to deal 5 | in the Software without restriction, including without limitation the rights 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 | copies of the Software, and to permit persons to whom the Software is 8 | furnished to do so, subject to the following conditions: 9 | 10 | The above copyright notice and this permission notice shall be included in 11 | all copies or substantial portions of the Software. 12 | 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 | THE SOFTWARE. 20 | -------------------------------------------------------------------------------- /node_modules/mime/README.md: -------------------------------------------------------------------------------- 1 | # mime 2 | 3 | Comprehensive MIME type mapping API based on mime-db module. 4 | 5 | ## Install 6 | 7 | Install with [npm](http://github.com/isaacs/npm): 8 | 9 | npm install mime 10 | 11 | ## Contributing / Testing 12 | 13 | npm run test 14 | 15 | ## Command Line 16 | 17 | mime [path_string] 18 | 19 | E.g. 20 | 21 | > mime scripts/jquery.js 22 | application/javascript 23 | 24 | ## API - Queries 25 | 26 | ### mime.lookup(path) 27 | Get the mime type associated with a file, if no mime type is found `application/octet-stream` is returned. Performs a case-insensitive lookup using the extension in `path` (the substring after the last '/' or '.'). E.g. 28 | 29 | ```js 30 | var mime = require('mime'); 31 | 32 | mime.lookup('/path/to/file.txt'); // => 'text/plain' 33 | mime.lookup('file.txt'); // => 'text/plain' 34 | mime.lookup('.TXT'); // => 'text/plain' 35 | mime.lookup('htm'); // => 'text/html' 36 | ``` 37 | 38 | ### mime.default_type 39 | Sets the mime type returned when `mime.lookup` fails to find the extension searched for. (Default is `application/octet-stream`.) 40 | 41 | ### mime.extension(type) 42 | Get the default extension for `type` 43 | 44 | ```js 45 | mime.extension('text/html'); // => 'html' 46 | mime.extension('application/octet-stream'); // => 'bin' 47 | ``` 48 | 49 | ### mime.charsets.lookup() 50 | 51 | Map mime-type to charset 52 | 53 | ```js 54 | mime.charsets.lookup('text/plain'); // => 'UTF-8' 55 | ``` 56 | 57 | (The logic for charset lookups is pretty rudimentary. Feel free to suggest improvements.) 58 | 59 | ## API - Defining Custom Types 60 | 61 | Custom type mappings can be added on a per-project basis via the following APIs. 62 | 63 | ### mime.define() 64 | 65 | Add custom mime/extension mappings 66 | 67 | ```js 68 | mime.define({ 69 | 'text/x-some-format': ['x-sf', 'x-sft', 'x-sfml'], 70 | 'application/x-my-type': ['x-mt', 'x-mtt'], 71 | // etc ... 72 | }); 73 | 74 | mime.lookup('x-sft'); // => 'text/x-some-format' 75 | ``` 76 | 77 | The first entry in the extensions array is returned by `mime.extension()`. E.g. 78 | 79 | ```js 80 | mime.extension('text/x-some-format'); // => 'x-sf' 81 | ``` 82 | 83 | ### mime.load(filepath) 84 | 85 | Load mappings from an Apache ".types" format file 86 | 87 | ```js 88 | mime.load('./my_project.types'); 89 | ``` 90 | The .types file format is simple - See the `types` dir for examples. 91 | -------------------------------------------------------------------------------- /node_modules/mime/build/build.js: -------------------------------------------------------------------------------- 1 | var db = require('mime-db'); 2 | 3 | var mapByType = {}; 4 | Object.keys(db).forEach(function(key) { 5 | var extensions = db[key].extensions; 6 | if (extensions) { 7 | mapByType[key] = extensions; 8 | } 9 | }); 10 | 11 | console.log(JSON.stringify(mapByType)); 12 | -------------------------------------------------------------------------------- /node_modules/mime/build/test.js: -------------------------------------------------------------------------------- 1 | /** 2 | * Usage: node test.js 3 | */ 4 | 5 | var mime = require('../mime'); 6 | var assert = require('assert'); 7 | var path = require('path'); 8 | 9 | // 10 | // Test mime lookups 11 | // 12 | 13 | assert.equal('text/plain', mime.lookup('text.txt')); // normal file 14 | assert.equal('text/plain', mime.lookup('TEXT.TXT')); // uppercase 15 | assert.equal('text/plain', mime.lookup('dir/text.txt')); // dir + file 16 | assert.equal('text/plain', mime.lookup('.text.txt')); // hidden file 17 | assert.equal('text/plain', mime.lookup('.txt')); // nameless 18 | assert.equal('text/plain', mime.lookup('txt')); // extension-only 19 | assert.equal('text/plain', mime.lookup('/txt')); // extension-less () 20 | assert.equal('text/plain', mime.lookup('\\txt')); // Windows, extension-less 21 | assert.equal('application/octet-stream', mime.lookup('text.nope')); // unrecognized 22 | assert.equal('fallback', mime.lookup('text.fallback', 'fallback')); // alternate default 23 | 24 | // 25 | // Test extensions 26 | // 27 | 28 | assert.equal('txt', mime.extension(mime.types.text)); 29 | assert.equal('html', mime.extension(mime.types.htm)); 30 | assert.equal('bin', mime.extension('application/octet-stream')); 31 | assert.equal('bin', mime.extension('application/octet-stream ')); 32 | assert.equal('html', mime.extension(' text/html; charset=UTF-8')); 33 | assert.equal('html', mime.extension('text/html; charset=UTF-8 ')); 34 | assert.equal('html', mime.extension('text/html; charset=UTF-8')); 35 | assert.equal('html', mime.extension('text/html ; charset=UTF-8')); 36 | assert.equal('html', mime.extension('text/html;charset=UTF-8')); 37 | assert.equal('html', mime.extension('text/Html;charset=UTF-8')); 38 | assert.equal(undefined, mime.extension('unrecognized')); 39 | 40 | // 41 | // Test node.types lookups 42 | // 43 | 44 | assert.equal('application/font-woff', mime.lookup('file.woff')); 45 | assert.equal('application/octet-stream', mime.lookup('file.buffer')); 46 | assert.equal('audio/mp4', mime.lookup('file.m4a')); 47 | assert.equal('font/opentype', mime.lookup('file.otf')); 48 | 49 | // 50 | // Test charsets 51 | // 52 | 53 | assert.equal('UTF-8', mime.charsets.lookup('text/plain')); 54 | assert.equal(undefined, mime.charsets.lookup(mime.types.js)); 55 | assert.equal('fallback', mime.charsets.lookup('application/octet-stream', 'fallback')); 56 | 57 | console.log('\nAll tests passed'); 58 | -------------------------------------------------------------------------------- /node_modules/mime/cli.js: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env node 2 | 3 | var mime = require('./mime.js'); 4 | var file = process.argv[2]; 5 | var type = mime.lookup(file); 6 | 7 | process.stdout.write(type + '\n'); 8 | 9 | -------------------------------------------------------------------------------- /node_modules/mime/mime.js: -------------------------------------------------------------------------------- 1 | var path = require('path'); 2 | var fs = require('fs'); 3 | 4 | function Mime() { 5 | // Map of extension -> mime type 6 | this.types = Object.create(null); 7 | 8 | // Map of mime type -> extension 9 | this.extensions = Object.create(null); 10 | } 11 | 12 | /** 13 | * Define mimetype -> extension mappings. Each key is a mime-type that maps 14 | * to an array of extensions associated with the type. The first extension is 15 | * used as the default extension for the type. 16 | * 17 | * e.g. mime.define({'audio/ogg', ['oga', 'ogg', 'spx']}); 18 | * 19 | * @param map (Object) type definitions 20 | */ 21 | Mime.prototype.define = function (map) { 22 | for (var type in map) { 23 | var exts = map[type]; 24 | for (var i = 0; i < exts.length; i++) { 25 | if (process.env.DEBUG_MIME && this.types[exts]) { 26 | console.warn(this._loading.replace(/.*\//, ''), 'changes "' + exts[i] + '" extension type from ' + 27 | this.types[exts] + ' to ' + type); 28 | } 29 | 30 | this.types[exts[i]] = type; 31 | } 32 | 33 | // Default extension is the first one we encounter 34 | if (!this.extensions[type]) { 35 | this.extensions[type] = exts[0]; 36 | } 37 | } 38 | }; 39 | 40 | /** 41 | * Load an Apache2-style ".types" file 42 | * 43 | * This may be called multiple times (it's expected). Where files declare 44 | * overlapping types/extensions, the last file wins. 45 | * 46 | * @param file (String) path of file to load. 47 | */ 48 | Mime.prototype.load = function(file) { 49 | this._loading = file; 50 | // Read file and split into lines 51 | var map = {}, 52 | content = fs.readFileSync(file, 'ascii'), 53 | lines = content.split(/[\r\n]+/); 54 | 55 | lines.forEach(function(line) { 56 | // Clean up whitespace/comments, and split into fields 57 | var fields = line.replace(/\s*#.*|^\s*|\s*$/g, '').split(/\s+/); 58 | map[fields.shift()] = fields; 59 | }); 60 | 61 | this.define(map); 62 | 63 | this._loading = null; 64 | }; 65 | 66 | /** 67 | * Lookup a mime type based on extension 68 | */ 69 | Mime.prototype.lookup = function(path, fallback) { 70 | var ext = path.replace(/.*[\.\/\\]/, '').toLowerCase(); 71 | 72 | return this.types[ext] || fallback || this.default_type; 73 | }; 74 | 75 | /** 76 | * Return file extension associated with a mime type 77 | */ 78 | Mime.prototype.extension = function(mimeType) { 79 | var type = mimeType.match(/^\s*([^;\s]*)(?:;|\s|$)/)[1].toLowerCase(); 80 | return this.extensions[type]; 81 | }; 82 | 83 | // Default instance 84 | var mime = new Mime(); 85 | 86 | // Define built-in types 87 | mime.define(require('./types.json')); 88 | 89 | // Default type 90 | mime.default_type = mime.lookup('bin'); 91 | 92 | // 93 | // Additional API specific to the default instance 94 | // 95 | 96 | mime.Mime = Mime; 97 | 98 | /** 99 | * Lookup a charset based on mime type. 100 | */ 101 | mime.charsets = { 102 | lookup: function(mimeType, fallback) { 103 | // Assume text types are utf8 104 | return (/^text\//).test(mimeType) ? 'UTF-8' : fallback; 105 | } 106 | }; 107 | 108 | module.exports = mime; 109 | -------------------------------------------------------------------------------- /node_modules/mime/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "author": { 3 | "name": "Robert Kieffer", 4 | "email": "robert@broofa.com", 5 | "url": "http://github.com/broofa" 6 | }, 7 | "scripts": { 8 | "prepublish": "node build/build.js > types.json", 9 | "test": "node build/test.js" 10 | }, 11 | "bin": { 12 | "mime": "cli.js" 13 | }, 14 | "contributors": [ 15 | { 16 | "name": "Benjamin Thomas", 17 | "email": "benjamin@benjaminthomas.org", 18 | "url": "http://github.com/bentomas" 19 | } 20 | ], 21 | "description": "A comprehensive library for mime-type mapping", 22 | "licenses": [ 23 | { 24 | "type": "MIT", 25 | "url": "https://raw.github.com/broofa/node-mime/master/LICENSE" 26 | } 27 | ], 28 | "dependencies": {}, 29 | "devDependencies": { 30 | "mime-db": "^1.2.0" 31 | }, 32 | "keywords": [ 33 | "util", 34 | "mime" 35 | ], 36 | "main": "mime.js", 37 | "name": "mime", 38 | "repository": { 39 | "url": "git+https://github.com/broofa/node-mime.git", 40 | "type": "git" 41 | }, 42 | "version": "1.3.4", 43 | "gitHead": "1628f6e0187095009dcef4805c3a49706f137974", 44 | "bugs": { 45 | "url": "https://github.com/broofa/node-mime/issues" 46 | }, 47 | "homepage": "https://github.com/broofa/node-mime", 48 | "_id": "mime@1.3.4", 49 | "_shasum": "115f9e3b6b3daf2959983cb38f149a2d40eb5d53", 50 | "_from": "mime@", 51 | "_npmVersion": "1.4.28", 52 | "_npmUser": { 53 | "name": "broofa", 54 | "email": "robert@broofa.com" 55 | }, 56 | "maintainers": [ 57 | { 58 | "name": "broofa", 59 | "email": "robert@broofa.com" 60 | }, 61 | { 62 | "name": "bentomas", 63 | "email": "benjamin@benjaminthomas.org" 64 | } 65 | ], 66 | "dist": { 67 | "shasum": "115f9e3b6b3daf2959983cb38f149a2d40eb5d53", 68 | "tarball": "http://registry.npmjs.org/mime/-/mime-1.3.4.tgz" 69 | }, 70 | "directories": {}, 71 | "_resolved": "https://registry.npmjs.org/mime/-/mime-1.3.4.tgz", 72 | "readme": "ERROR: No README data found!" 73 | } 74 | -------------------------------------------------------------------------------- /node_modules/mime/types.json: -------------------------------------------------------------------------------- 1 | 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2 | -------------------------------------------------------------------------------- /node_modules/underscore/LICENSE: -------------------------------------------------------------------------------- 1 | Copyright (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative 2 | Reporters & Editors 3 | 4 | Permission is hereby granted, free of charge, to any person 5 | obtaining a copy of this software and associated documentation 6 | files (the "Software"), to deal in the Software without 7 | restriction, including without limitation the rights to use, 8 | copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the 10 | Software is furnished to do so, subject to the following 11 | conditions: 12 | 13 | The above copyright notice and this permission notice shall be 14 | included in all copies or substantial portions of the Software. 15 | 16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 18 | OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 20 | HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 21 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 | OTHER DEALINGS IN THE SOFTWARE. 24 | -------------------------------------------------------------------------------- /node_modules/underscore/README.md: -------------------------------------------------------------------------------- 1 | __ 2 | /\ \ __ 3 | __ __ ___ \_\ \ __ _ __ ____ ___ ___ _ __ __ /\_\ ____ 4 | /\ \/\ \ /' _ `\ /'_ \ /'__`\/\ __\/ ,__\ / ___\ / __`\/\ __\/'__`\ \/\ \ /',__\ 5 | \ \ \_\ \/\ \/\ \/\ \ \ \/\ __/\ \ \//\__, `\/\ \__//\ \ \ \ \ \//\ __/ __ \ \ \/\__, `\ 6 | \ \____/\ \_\ \_\ \___,_\ \____\\ \_\\/\____/\ \____\ \____/\ \_\\ \____\/\_\ _\ \ \/\____/ 7 | \/___/ \/_/\/_/\/__,_ /\/____/ \/_/ \/___/ \/____/\/___/ \/_/ \/____/\/_//\ \_\ \/___/ 8 | \ \____/ 9 | \/___/ 10 | 11 | Underscore.js is a utility-belt library for JavaScript that provides 12 | support for the usual functional suspects (each, map, reduce, filter...) 13 | without extending any core JavaScript objects. 14 | 15 | For Docs, License, Tests, and pre-packed downloads, see: 16 | http://underscorejs.org 17 | 18 | Underscore is an open-sourced component of DocumentCloud: 19 | https://github.com/documentcloud 20 | 21 | Many thanks to our contributors: 22 | https://github.com/jashkenas/underscore/contributors 23 | -------------------------------------------------------------------------------- /node_modules/underscore/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "underscore", 3 | "description": "JavaScript's functional programming helper library.", 4 | "homepage": "http://underscorejs.org", 5 | "keywords": [ 6 | "util", 7 | "functional", 8 | "server", 9 | "client", 10 | "browser" 11 | ], 12 | "author": { 13 | "name": "Jeremy Ashkenas", 14 | "email": "jeremy@documentcloud.org" 15 | }, 16 | "repository": { 17 | "type": "git", 18 | "url": "git://github.com/jashkenas/underscore.git" 19 | }, 20 | "main": "underscore.js", 21 | "version": "1.8.3", 22 | "devDependencies": { 23 | "docco": "*", 24 | "eslint": "0.6.x", 25 | "karma": "~0.12.31", 26 | "karma-qunit": "~0.1.4", 27 | "qunit-cli": "~0.2.0", 28 | "uglify-js": "2.4.x" 29 | }, 30 | "scripts": { 31 | "test": "npm run test-node && npm run lint", 32 | "lint": "eslint underscore.js test/*.js", 33 | "test-node": "qunit-cli test/*.js", 34 | "test-browser": "npm i karma-phantomjs-launcher && ./node_modules/karma/bin/karma start", 35 | "build": "uglifyjs underscore.js -c \"evaluate=false\" --comments \"/ .*/\" -m --source-map underscore-min.map -o underscore-min.js", 36 | "doc": "docco underscore.js" 37 | }, 38 | "license": "MIT", 39 | "files": [ 40 | "underscore.js", 41 | "underscore-min.js", 42 | "underscore-min.map", 43 | "LICENSE" 44 | ], 45 | "gitHead": "e4743ab712b8ab42ad4ccb48b155034d02394e4d", 46 | "bugs": { 47 | "url": "https://github.com/jashkenas/underscore/issues" 48 | }, 49 | "_id": "underscore@1.8.3", 50 | "_shasum": "4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022", 51 | "_from": "underscore@", 52 | "_npmVersion": "1.4.28", 53 | "_npmUser": { 54 | "name": "jashkenas", 55 | "email": "jashkenas@gmail.com" 56 | }, 57 | "maintainers": [ 58 | { 59 | "name": "jashkenas", 60 | "email": "jashkenas@gmail.com" 61 | } 62 | ], 63 | "dist": { 64 | "shasum": "4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022", 65 | "tarball": "http://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz" 66 | }, 67 | "directories": {}, 68 | "_resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz", 69 | "readme": "ERROR: No README data found!" 70 | } 71 | -------------------------------------------------------------------------------- /node_modules/underscore/underscore-min.js: 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-------------------------------------------------------------------------------- /node_modules/underscore/underscore.js: -------------------------------------------------------------------------------- 1 | // Underscore.js 1.8.3 2 | // http://underscorejs.org 3 | // (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors 4 | // Underscore may be freely distributed under the MIT license. 5 | 6 | (function() { 7 | 8 | // Baseline setup 9 | // -------------- 10 | 11 | // Establish the root object, `window` in the browser, or `exports` on the server. 12 | var root = this; 13 | 14 | // Save the previous value of the `_` variable. 15 | var previousUnderscore = root._; 16 | 17 | // Save bytes in the minified (but not gzipped) version: 18 | var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; 19 | 20 | // Create quick reference variables for speed access to core prototypes. 21 | var 22 | push = ArrayProto.push, 23 | slice = ArrayProto.slice, 24 | toString = ObjProto.toString, 25 | hasOwnProperty = ObjProto.hasOwnProperty; 26 | 27 | // All **ECMAScript 5** native function implementations that we hope to use 28 | // are declared here. 29 | var 30 | nativeIsArray = Array.isArray, 31 | nativeKeys = Object.keys, 32 | nativeBind = FuncProto.bind, 33 | nativeCreate = Object.create; 34 | 35 | // Naked function reference for surrogate-prototype-swapping. 36 | var Ctor = function(){}; 37 | 38 | // Create a safe reference to the Underscore object for use below. 39 | var _ = function(obj) { 40 | if (obj instanceof _) return obj; 41 | if (!(this instanceof _)) return new _(obj); 42 | this._wrapped = obj; 43 | }; 44 | 45 | // Export the Underscore object for **Node.js**, with 46 | // backwards-compatibility for the old `require()` API. If we're in 47 | // the browser, add `_` as a global object. 48 | if (typeof exports !== 'undefined') { 49 | if (typeof module !== 'undefined' && module.exports) { 50 | exports = module.exports = _; 51 | } 52 | exports._ = _; 53 | } else { 54 | root._ = _; 55 | } 56 | 57 | // Current version. 58 | _.VERSION = '1.8.3'; 59 | 60 | // Internal function that returns an efficient (for current engines) version 61 | // of the passed-in callback, to be repeatedly applied in other Underscore 62 | // functions. 63 | var optimizeCb = function(func, context, argCount) { 64 | if (context === void 0) return func; 65 | switch (argCount == null ? 3 : argCount) { 66 | case 1: return function(value) { 67 | return func.call(context, value); 68 | }; 69 | case 2: return function(value, other) { 70 | return func.call(context, value, other); 71 | }; 72 | case 3: return function(value, index, collection) { 73 | return func.call(context, value, index, collection); 74 | }; 75 | case 4: return function(accumulator, value, index, collection) { 76 | return func.call(context, accumulator, value, index, collection); 77 | }; 78 | } 79 | return function() { 80 | return func.apply(context, arguments); 81 | }; 82 | }; 83 | 84 | // A mostly-internal function to generate callbacks that can be applied 85 | // to each element in a collection, returning the desired result — either 86 | // identity, an arbitrary callback, a property matcher, or a property accessor. 87 | var cb = function(value, context, argCount) { 88 | if (value == null) return _.identity; 89 | if (_.isFunction(value)) return optimizeCb(value, context, argCount); 90 | if (_.isObject(value)) return _.matcher(value); 91 | return _.property(value); 92 | }; 93 | _.iteratee = function(value, context) { 94 | return cb(value, context, Infinity); 95 | }; 96 | 97 | // An internal function for creating assigner functions. 98 | var createAssigner = function(keysFunc, undefinedOnly) { 99 | return function(obj) { 100 | var length = arguments.length; 101 | if (length < 2 || obj == null) return obj; 102 | for (var index = 1; index < length; index++) { 103 | var source = arguments[index], 104 | keys = keysFunc(source), 105 | l = keys.length; 106 | for (var i = 0; i < l; i++) { 107 | var key = keys[i]; 108 | if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key]; 109 | } 110 | } 111 | return obj; 112 | }; 113 | }; 114 | 115 | // An internal function for creating a new object that inherits from another. 116 | var baseCreate = function(prototype) { 117 | if (!_.isObject(prototype)) return {}; 118 | if (nativeCreate) return nativeCreate(prototype); 119 | Ctor.prototype = prototype; 120 | var result = new Ctor; 121 | Ctor.prototype = null; 122 | return result; 123 | }; 124 | 125 | var property = function(key) { 126 | return function(obj) { 127 | return obj == null ? void 0 : obj[key]; 128 | }; 129 | }; 130 | 131 | // Helper for collection methods to determine whether a collection 132 | // should be iterated as an array or as an object 133 | // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength 134 | // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094 135 | var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1; 136 | var getLength = property('length'); 137 | var isArrayLike = function(collection) { 138 | var length = getLength(collection); 139 | return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX; 140 | }; 141 | 142 | // Collection Functions 143 | // -------------------- 144 | 145 | // The cornerstone, an `each` implementation, aka `forEach`. 146 | // Handles raw objects in addition to array-likes. Treats all 147 | // sparse array-likes as if they were dense. 148 | _.each = _.forEach = function(obj, iteratee, context) { 149 | iteratee = optimizeCb(iteratee, context); 150 | var i, length; 151 | if (isArrayLike(obj)) { 152 | for (i = 0, length = obj.length; i < length; i++) { 153 | iteratee(obj[i], i, obj); 154 | } 155 | } else { 156 | var keys = _.keys(obj); 157 | for (i = 0, length = keys.length; i < length; i++) { 158 | iteratee(obj[keys[i]], keys[i], obj); 159 | } 160 | } 161 | return obj; 162 | }; 163 | 164 | // Return the results of applying the iteratee to each element. 165 | _.map = _.collect = function(obj, iteratee, context) { 166 | iteratee = cb(iteratee, context); 167 | var keys = !isArrayLike(obj) && _.keys(obj), 168 | length = (keys || obj).length, 169 | results = Array(length); 170 | for (var index = 0; index < length; index++) { 171 | var currentKey = keys ? keys[index] : index; 172 | results[index] = iteratee(obj[currentKey], currentKey, obj); 173 | } 174 | return results; 175 | }; 176 | 177 | // Create a reducing function iterating left or right. 178 | function createReduce(dir) { 179 | // Optimized iterator function as using arguments.length 180 | // in the main function will deoptimize the, see #1991. 181 | function iterator(obj, iteratee, memo, keys, index, length) { 182 | for (; index >= 0 && index < length; index += dir) { 183 | var currentKey = keys ? keys[index] : index; 184 | memo = iteratee(memo, obj[currentKey], currentKey, obj); 185 | } 186 | return memo; 187 | } 188 | 189 | return function(obj, iteratee, memo, context) { 190 | iteratee = optimizeCb(iteratee, context, 4); 191 | var keys = !isArrayLike(obj) && _.keys(obj), 192 | length = (keys || obj).length, 193 | index = dir > 0 ? 0 : length - 1; 194 | // Determine the initial value if none is provided. 195 | if (arguments.length < 3) { 196 | memo = obj[keys ? keys[index] : index]; 197 | index += dir; 198 | } 199 | return iterator(obj, iteratee, memo, keys, index, length); 200 | }; 201 | } 202 | 203 | // **Reduce** builds up a single result from a list of values, aka `inject`, 204 | // or `foldl`. 205 | _.reduce = _.foldl = _.inject = createReduce(1); 206 | 207 | // The right-associative version of reduce, also known as `foldr`. 208 | _.reduceRight = _.foldr = createReduce(-1); 209 | 210 | // Return the first value which passes a truth test. Aliased as `detect`. 211 | _.find = _.detect = function(obj, predicate, context) { 212 | var key; 213 | if (isArrayLike(obj)) { 214 | key = _.findIndex(obj, predicate, context); 215 | } else { 216 | key = _.findKey(obj, predicate, context); 217 | } 218 | if (key !== void 0 && key !== -1) return obj[key]; 219 | }; 220 | 221 | // Return all the elements that pass a truth test. 222 | // Aliased as `select`. 223 | _.filter = _.select = function(obj, predicate, context) { 224 | var results = []; 225 | predicate = cb(predicate, context); 226 | _.each(obj, function(value, index, list) { 227 | if (predicate(value, index, list)) results.push(value); 228 | }); 229 | return results; 230 | }; 231 | 232 | // Return all the elements for which a truth test fails. 233 | _.reject = function(obj, predicate, context) { 234 | return _.filter(obj, _.negate(cb(predicate)), context); 235 | }; 236 | 237 | // Determine whether all of the elements match a truth test. 238 | // Aliased as `all`. 239 | _.every = _.all = function(obj, predicate, context) { 240 | predicate = cb(predicate, context); 241 | var keys = !isArrayLike(obj) && _.keys(obj), 242 | length = (keys || obj).length; 243 | for (var index = 0; index < length; index++) { 244 | var currentKey = keys ? keys[index] : index; 245 | if (!predicate(obj[currentKey], currentKey, obj)) return false; 246 | } 247 | return true; 248 | }; 249 | 250 | // Determine if at least one element in the object matches a truth test. 251 | // Aliased as `any`. 252 | _.some = _.any = function(obj, predicate, context) { 253 | predicate = cb(predicate, context); 254 | var keys = !isArrayLike(obj) && _.keys(obj), 255 | length = (keys || obj).length; 256 | for (var index = 0; index < length; index++) { 257 | var currentKey = keys ? keys[index] : index; 258 | if (predicate(obj[currentKey], currentKey, obj)) return true; 259 | } 260 | return false; 261 | }; 262 | 263 | // Determine if the array or object contains a given item (using `===`). 264 | // Aliased as `includes` and `include`. 265 | _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) { 266 | if (!isArrayLike(obj)) obj = _.values(obj); 267 | if (typeof fromIndex != 'number' || guard) fromIndex = 0; 268 | return _.indexOf(obj, item, fromIndex) >= 0; 269 | }; 270 | 271 | // Invoke a method (with arguments) on every item in a collection. 272 | _.invoke = function(obj, method) { 273 | var args = slice.call(arguments, 2); 274 | var isFunc = _.isFunction(method); 275 | return _.map(obj, function(value) { 276 | var func = isFunc ? method : value[method]; 277 | return func == null ? func : func.apply(value, args); 278 | }); 279 | }; 280 | 281 | // Convenience version of a common use case of `map`: fetching a property. 282 | _.pluck = function(obj, key) { 283 | return _.map(obj, _.property(key)); 284 | }; 285 | 286 | // Convenience version of a common use case of `filter`: selecting only objects 287 | // containing specific `key:value` pairs. 288 | _.where = function(obj, attrs) { 289 | return _.filter(obj, _.matcher(attrs)); 290 | }; 291 | 292 | // Convenience version of a common use case of `find`: getting the first object 293 | // containing specific `key:value` pairs. 294 | _.findWhere = function(obj, attrs) { 295 | return _.find(obj, _.matcher(attrs)); 296 | }; 297 | 298 | // Return the maximum element (or element-based computation). 299 | _.max = function(obj, iteratee, context) { 300 | var result = -Infinity, lastComputed = -Infinity, 301 | value, computed; 302 | if (iteratee == null && obj != null) { 303 | obj = isArrayLike(obj) ? obj : _.values(obj); 304 | for (var i = 0, length = obj.length; i < length; i++) { 305 | value = obj[i]; 306 | if (value > result) { 307 | result = value; 308 | } 309 | } 310 | } else { 311 | iteratee = cb(iteratee, context); 312 | _.each(obj, function(value, index, list) { 313 | computed = iteratee(value, index, list); 314 | if (computed > lastComputed || computed === -Infinity && result === -Infinity) { 315 | result = value; 316 | lastComputed = computed; 317 | } 318 | }); 319 | } 320 | return result; 321 | }; 322 | 323 | // Return the minimum element (or element-based computation). 324 | _.min = function(obj, iteratee, context) { 325 | var result = Infinity, lastComputed = Infinity, 326 | value, computed; 327 | if (iteratee == null && obj != null) { 328 | obj = isArrayLike(obj) ? obj : _.values(obj); 329 | for (var i = 0, length = obj.length; i < length; i++) { 330 | value = obj[i]; 331 | if (value < result) { 332 | result = value; 333 | } 334 | } 335 | } else { 336 | iteratee = cb(iteratee, context); 337 | _.each(obj, function(value, index, list) { 338 | computed = iteratee(value, index, list); 339 | if (computed < lastComputed || computed === Infinity && result === Infinity) { 340 | result = value; 341 | lastComputed = computed; 342 | } 343 | }); 344 | } 345 | return result; 346 | }; 347 | 348 | // Shuffle a collection, using the modern version of the 349 | // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). 350 | _.shuffle = function(obj) { 351 | var set = isArrayLike(obj) ? obj : _.values(obj); 352 | var length = set.length; 353 | var shuffled = Array(length); 354 | for (var index = 0, rand; index < length; index++) { 355 | rand = _.random(0, index); 356 | if (rand !== index) shuffled[index] = shuffled[rand]; 357 | shuffled[rand] = set[index]; 358 | } 359 | return shuffled; 360 | }; 361 | 362 | // Sample **n** random values from a collection. 363 | // If **n** is not specified, returns a single random element. 364 | // The internal `guard` argument allows it to work with `map`. 365 | _.sample = function(obj, n, guard) { 366 | if (n == null || guard) { 367 | if (!isArrayLike(obj)) obj = _.values(obj); 368 | return obj[_.random(obj.length - 1)]; 369 | } 370 | return _.shuffle(obj).slice(0, Math.max(0, n)); 371 | }; 372 | 373 | // Sort the object's values by a criterion produced by an iteratee. 374 | _.sortBy = function(obj, iteratee, context) { 375 | iteratee = cb(iteratee, context); 376 | return _.pluck(_.map(obj, function(value, index, list) { 377 | return { 378 | value: value, 379 | index: index, 380 | criteria: iteratee(value, index, list) 381 | }; 382 | }).sort(function(left, right) { 383 | var a = left.criteria; 384 | var b = right.criteria; 385 | if (a !== b) { 386 | if (a > b || a === void 0) return 1; 387 | if (a < b || b === void 0) return -1; 388 | } 389 | return left.index - right.index; 390 | }), 'value'); 391 | }; 392 | 393 | // An internal function used for aggregate "group by" operations. 394 | var group = function(behavior) { 395 | return function(obj, iteratee, context) { 396 | var result = {}; 397 | iteratee = cb(iteratee, context); 398 | _.each(obj, function(value, index) { 399 | var key = iteratee(value, index, obj); 400 | behavior(result, value, key); 401 | }); 402 | return result; 403 | }; 404 | }; 405 | 406 | // Groups the object's values by a criterion. Pass either a string attribute 407 | // to group by, or a function that returns the criterion. 408 | _.groupBy = group(function(result, value, key) { 409 | if (_.has(result, key)) result[key].push(value); else result[key] = [value]; 410 | }); 411 | 412 | // Indexes the object's values by a criterion, similar to `groupBy`, but for 413 | // when you know that your index values will be unique. 414 | _.indexBy = group(function(result, value, key) { 415 | result[key] = value; 416 | }); 417 | 418 | // Counts instances of an object that group by a certain criterion. Pass 419 | // either a string attribute to count by, or a function that returns the 420 | // criterion. 421 | _.countBy = group(function(result, value, key) { 422 | if (_.has(result, key)) result[key]++; else result[key] = 1; 423 | }); 424 | 425 | // Safely create a real, live array from anything iterable. 426 | _.toArray = function(obj) { 427 | if (!obj) return []; 428 | if (_.isArray(obj)) return slice.call(obj); 429 | if (isArrayLike(obj)) return _.map(obj, _.identity); 430 | return _.values(obj); 431 | }; 432 | 433 | // Return the number of elements in an object. 434 | _.size = function(obj) { 435 | if (obj == null) return 0; 436 | return isArrayLike(obj) ? obj.length : _.keys(obj).length; 437 | }; 438 | 439 | // Split a collection into two arrays: one whose elements all satisfy the given 440 | // predicate, and one whose elements all do not satisfy the predicate. 441 | _.partition = function(obj, predicate, context) { 442 | predicate = cb(predicate, context); 443 | var pass = [], fail = []; 444 | _.each(obj, function(value, key, obj) { 445 | (predicate(value, key, obj) ? pass : fail).push(value); 446 | }); 447 | return [pass, fail]; 448 | }; 449 | 450 | // Array Functions 451 | // --------------- 452 | 453 | // Get the first element of an array. Passing **n** will return the first N 454 | // values in the array. Aliased as `head` and `take`. The **guard** check 455 | // allows it to work with `_.map`. 456 | _.first = _.head = _.take = function(array, n, guard) { 457 | if (array == null) return void 0; 458 | if (n == null || guard) return array[0]; 459 | return _.initial(array, array.length - n); 460 | }; 461 | 462 | // Returns everything but the last entry of the array. Especially useful on 463 | // the arguments object. Passing **n** will return all the values in 464 | // the array, excluding the last N. 465 | _.initial = function(array, n, guard) { 466 | return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n))); 467 | }; 468 | 469 | // Get the last element of an array. Passing **n** will return the last N 470 | // values in the array. 471 | _.last = function(array, n, guard) { 472 | if (array == null) return void 0; 473 | if (n == null || guard) return array[array.length - 1]; 474 | return _.rest(array, Math.max(0, array.length - n)); 475 | }; 476 | 477 | // Returns everything but the first entry of the array. Aliased as `tail` and `drop`. 478 | // Especially useful on the arguments object. Passing an **n** will return 479 | // the rest N values in the array. 480 | _.rest = _.tail = _.drop = function(array, n, guard) { 481 | return slice.call(array, n == null || guard ? 1 : n); 482 | }; 483 | 484 | // Trim out all falsy values from an array. 485 | _.compact = function(array) { 486 | return _.filter(array, _.identity); 487 | }; 488 | 489 | // Internal implementation of a recursive `flatten` function. 490 | var flatten = function(input, shallow, strict, startIndex) { 491 | var output = [], idx = 0; 492 | for (var i = startIndex || 0, length = getLength(input); i < length; i++) { 493 | var value = input[i]; 494 | if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) { 495 | //flatten current level of array or arguments object 496 | if (!shallow) value = flatten(value, shallow, strict); 497 | var j = 0, len = value.length; 498 | output.length += len; 499 | while (j < len) { 500 | output[idx++] = value[j++]; 501 | } 502 | } else if (!strict) { 503 | output[idx++] = value; 504 | } 505 | } 506 | return output; 507 | }; 508 | 509 | // Flatten out an array, either recursively (by default), or just one level. 510 | _.flatten = function(array, shallow) { 511 | return flatten(array, shallow, false); 512 | }; 513 | 514 | // Return a version of the array that does not contain the specified value(s). 515 | _.without = function(array) { 516 | return _.difference(array, slice.call(arguments, 1)); 517 | }; 518 | 519 | // Produce a duplicate-free version of the array. If the array has already 520 | // been sorted, you have the option of using a faster algorithm. 521 | // Aliased as `unique`. 522 | _.uniq = _.unique = function(array, isSorted, iteratee, context) { 523 | if (!_.isBoolean(isSorted)) { 524 | context = iteratee; 525 | iteratee = isSorted; 526 | isSorted = false; 527 | } 528 | if (iteratee != null) iteratee = cb(iteratee, context); 529 | var result = []; 530 | var seen = []; 531 | for (var i = 0, length = getLength(array); i < length; i++) { 532 | var value = array[i], 533 | computed = iteratee ? iteratee(value, i, array) : value; 534 | if (isSorted) { 535 | if (!i || seen !== computed) result.push(value); 536 | seen = computed; 537 | } else if (iteratee) { 538 | if (!_.contains(seen, computed)) { 539 | seen.push(computed); 540 | result.push(value); 541 | } 542 | } else if (!_.contains(result, value)) { 543 | result.push(value); 544 | } 545 | } 546 | return result; 547 | }; 548 | 549 | // Produce an array that contains the union: each distinct element from all of 550 | // the passed-in arrays. 551 | _.union = function() { 552 | return _.uniq(flatten(arguments, true, true)); 553 | }; 554 | 555 | // Produce an array that contains every item shared between all the 556 | // passed-in arrays. 557 | _.intersection = function(array) { 558 | var result = []; 559 | var argsLength = arguments.length; 560 | for (var i = 0, length = getLength(array); i < length; i++) { 561 | var item = array[i]; 562 | if (_.contains(result, item)) continue; 563 | for (var j = 1; j < argsLength; j++) { 564 | if (!_.contains(arguments[j], item)) break; 565 | } 566 | if (j === argsLength) result.push(item); 567 | } 568 | return result; 569 | }; 570 | 571 | // Take the difference between one array and a number of other arrays. 572 | // Only the elements present in just the first array will remain. 573 | _.difference = function(array) { 574 | var rest = flatten(arguments, true, true, 1); 575 | return _.filter(array, function(value){ 576 | return !_.contains(rest, value); 577 | }); 578 | }; 579 | 580 | // Zip together multiple lists into a single array -- elements that share 581 | // an index go together. 582 | _.zip = function() { 583 | return _.unzip(arguments); 584 | }; 585 | 586 | // Complement of _.zip. Unzip accepts an array of arrays and groups 587 | // each array's elements on shared indices 588 | _.unzip = function(array) { 589 | var length = array && _.max(array, getLength).length || 0; 590 | var result = Array(length); 591 | 592 | for (var index = 0; index < length; index++) { 593 | result[index] = _.pluck(array, index); 594 | } 595 | return result; 596 | }; 597 | 598 | // Converts lists into objects. Pass either a single array of `[key, value]` 599 | // pairs, or two parallel arrays of the same length -- one of keys, and one of 600 | // the corresponding values. 601 | _.object = function(list, values) { 602 | var result = {}; 603 | for (var i = 0, length = getLength(list); i < length; i++) { 604 | if (values) { 605 | result[list[i]] = values[i]; 606 | } else { 607 | result[list[i][0]] = list[i][1]; 608 | } 609 | } 610 | return result; 611 | }; 612 | 613 | // Generator function to create the findIndex and findLastIndex functions 614 | function createPredicateIndexFinder(dir) { 615 | return function(array, predicate, context) { 616 | predicate = cb(predicate, context); 617 | var length = getLength(array); 618 | var index = dir > 0 ? 0 : length - 1; 619 | for (; index >= 0 && index < length; index += dir) { 620 | if (predicate(array[index], index, array)) return index; 621 | } 622 | return -1; 623 | }; 624 | } 625 | 626 | // Returns the first index on an array-like that passes a predicate test 627 | _.findIndex = createPredicateIndexFinder(1); 628 | _.findLastIndex = createPredicateIndexFinder(-1); 629 | 630 | // Use a comparator function to figure out the smallest index at which 631 | // an object should be inserted so as to maintain order. Uses binary search. 632 | _.sortedIndex = function(array, obj, iteratee, context) { 633 | iteratee = cb(iteratee, context, 1); 634 | var value = iteratee(obj); 635 | var low = 0, high = getLength(array); 636 | while (low < high) { 637 | var mid = Math.floor((low + high) / 2); 638 | if (iteratee(array[mid]) < value) low = mid + 1; else high = mid; 639 | } 640 | return low; 641 | }; 642 | 643 | // Generator function to create the indexOf and lastIndexOf functions 644 | function createIndexFinder(dir, predicateFind, sortedIndex) { 645 | return function(array, item, idx) { 646 | var i = 0, length = getLength(array); 647 | if (typeof idx == 'number') { 648 | if (dir > 0) { 649 | i = idx >= 0 ? idx : Math.max(idx + length, i); 650 | } else { 651 | length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1; 652 | } 653 | } else if (sortedIndex && idx && length) { 654 | idx = sortedIndex(array, item); 655 | return array[idx] === item ? idx : -1; 656 | } 657 | if (item !== item) { 658 | idx = predicateFind(slice.call(array, i, length), _.isNaN); 659 | return idx >= 0 ? idx + i : -1; 660 | } 661 | for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) { 662 | if (array[idx] === item) return idx; 663 | } 664 | return -1; 665 | }; 666 | } 667 | 668 | // Return the position of the first occurrence of an item in an array, 669 | // or -1 if the item is not included in the array. 670 | // If the array is large and already in sort order, pass `true` 671 | // for **isSorted** to use binary search. 672 | _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex); 673 | _.lastIndexOf = createIndexFinder(-1, _.findLastIndex); 674 | 675 | // Generate an integer Array containing an arithmetic progression. A port of 676 | // the native Python `range()` function. See 677 | // [the Python documentation](http://docs.python.org/library/functions.html#range). 678 | _.range = function(start, stop, step) { 679 | if (stop == null) { 680 | stop = start || 0; 681 | start = 0; 682 | } 683 | step = step || 1; 684 | 685 | var length = Math.max(Math.ceil((stop - start) / step), 0); 686 | var range = Array(length); 687 | 688 | for (var idx = 0; idx < length; idx++, start += step) { 689 | range[idx] = start; 690 | } 691 | 692 | return range; 693 | }; 694 | 695 | // Function (ahem) Functions 696 | // ------------------ 697 | 698 | // Determines whether to execute a function as a constructor 699 | // or a normal function with the provided arguments 700 | var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) { 701 | if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args); 702 | var self = baseCreate(sourceFunc.prototype); 703 | var result = sourceFunc.apply(self, args); 704 | if (_.isObject(result)) return result; 705 | return self; 706 | }; 707 | 708 | // Create a function bound to a given object (assigning `this`, and arguments, 709 | // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if 710 | // available. 711 | _.bind = function(func, context) { 712 | if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); 713 | if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function'); 714 | var args = slice.call(arguments, 2); 715 | var bound = function() { 716 | return executeBound(func, bound, context, this, args.concat(slice.call(arguments))); 717 | }; 718 | return bound; 719 | }; 720 | 721 | // Partially apply a function by creating a version that has had some of its 722 | // arguments pre-filled, without changing its dynamic `this` context. _ acts 723 | // as a placeholder, allowing any combination of arguments to be pre-filled. 724 | _.partial = function(func) { 725 | var boundArgs = slice.call(arguments, 1); 726 | var bound = function() { 727 | var position = 0, length = boundArgs.length; 728 | var args = Array(length); 729 | for (var i = 0; i < length; i++) { 730 | args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i]; 731 | } 732 | while (position < arguments.length) args.push(arguments[position++]); 733 | return executeBound(func, bound, this, this, args); 734 | }; 735 | return bound; 736 | }; 737 | 738 | // Bind a number of an object's methods to that object. Remaining arguments 739 | // are the method names to be bound. Useful for ensuring that all callbacks 740 | // defined on an object belong to it. 741 | _.bindAll = function(obj) { 742 | var i, length = arguments.length, key; 743 | if (length <= 1) throw new Error('bindAll must be passed function names'); 744 | for (i = 1; i < length; i++) { 745 | key = arguments[i]; 746 | obj[key] = _.bind(obj[key], obj); 747 | } 748 | return obj; 749 | }; 750 | 751 | // Memoize an expensive function by storing its results. 752 | _.memoize = function(func, hasher) { 753 | var memoize = function(key) { 754 | var cache = memoize.cache; 755 | var address = '' + (hasher ? hasher.apply(this, arguments) : key); 756 | if (!_.has(cache, address)) cache[address] = func.apply(this, arguments); 757 | return cache[address]; 758 | }; 759 | memoize.cache = {}; 760 | return memoize; 761 | }; 762 | 763 | // Delays a function for the given number of milliseconds, and then calls 764 | // it with the arguments supplied. 765 | _.delay = function(func, wait) { 766 | var args = slice.call(arguments, 2); 767 | return setTimeout(function(){ 768 | return func.apply(null, args); 769 | }, wait); 770 | }; 771 | 772 | // Defers a function, scheduling it to run after the current call stack has 773 | // cleared. 774 | _.defer = _.partial(_.delay, _, 1); 775 | 776 | // Returns a function, that, when invoked, will only be triggered at most once 777 | // during a given window of time. Normally, the throttled function will run 778 | // as much as it can, without ever going more than once per `wait` duration; 779 | // but if you'd like to disable the execution on the leading edge, pass 780 | // `{leading: false}`. To disable execution on the trailing edge, ditto. 781 | _.throttle = function(func, wait, options) { 782 | var context, args, result; 783 | var timeout = null; 784 | var previous = 0; 785 | if (!options) options = {}; 786 | var later = function() { 787 | previous = options.leading === false ? 0 : _.now(); 788 | timeout = null; 789 | result = func.apply(context, args); 790 | if (!timeout) context = args = null; 791 | }; 792 | return function() { 793 | var now = _.now(); 794 | if (!previous && options.leading === false) previous = now; 795 | var remaining = wait - (now - previous); 796 | context = this; 797 | args = arguments; 798 | if (remaining <= 0 || remaining > wait) { 799 | if (timeout) { 800 | clearTimeout(timeout); 801 | timeout = null; 802 | } 803 | previous = now; 804 | result = func.apply(context, args); 805 | if (!timeout) context = args = null; 806 | } else if (!timeout && options.trailing !== false) { 807 | timeout = setTimeout(later, remaining); 808 | } 809 | return result; 810 | }; 811 | }; 812 | 813 | // Returns a function, that, as long as it continues to be invoked, will not 814 | // be triggered. The function will be called after it stops being called for 815 | // N milliseconds. If `immediate` is passed, trigger the function on the 816 | // leading edge, instead of the trailing. 817 | _.debounce = function(func, wait, immediate) { 818 | var timeout, args, context, timestamp, result; 819 | 820 | var later = function() { 821 | var last = _.now() - timestamp; 822 | 823 | if (last < wait && last >= 0) { 824 | timeout = setTimeout(later, wait - last); 825 | } else { 826 | timeout = null; 827 | if (!immediate) { 828 | result = func.apply(context, args); 829 | if (!timeout) context = args = null; 830 | } 831 | } 832 | }; 833 | 834 | return function() { 835 | context = this; 836 | args = arguments; 837 | timestamp = _.now(); 838 | var callNow = immediate && !timeout; 839 | if (!timeout) timeout = setTimeout(later, wait); 840 | if (callNow) { 841 | result = func.apply(context, args); 842 | context = args = null; 843 | } 844 | 845 | return result; 846 | }; 847 | }; 848 | 849 | // Returns the first function passed as an argument to the second, 850 | // allowing you to adjust arguments, run code before and after, and 851 | // conditionally execute the original function. 852 | _.wrap = function(func, wrapper) { 853 | return _.partial(wrapper, func); 854 | }; 855 | 856 | // Returns a negated version of the passed-in predicate. 857 | _.negate = function(predicate) { 858 | return function() { 859 | return !predicate.apply(this, arguments); 860 | }; 861 | }; 862 | 863 | // Returns a function that is the composition of a list of functions, each 864 | // consuming the return value of the function that follows. 865 | _.compose = function() { 866 | var args = arguments; 867 | var start = args.length - 1; 868 | return function() { 869 | var i = start; 870 | var result = args[start].apply(this, arguments); 871 | while (i--) result = args[i].call(this, result); 872 | return result; 873 | }; 874 | }; 875 | 876 | // Returns a function that will only be executed on and after the Nth call. 877 | _.after = function(times, func) { 878 | return function() { 879 | if (--times < 1) { 880 | return func.apply(this, arguments); 881 | } 882 | }; 883 | }; 884 | 885 | // Returns a function that will only be executed up to (but not including) the Nth call. 886 | _.before = function(times, func) { 887 | var memo; 888 | return function() { 889 | if (--times > 0) { 890 | memo = func.apply(this, arguments); 891 | } 892 | if (times <= 1) func = null; 893 | return memo; 894 | }; 895 | }; 896 | 897 | // Returns a function that will be executed at most one time, no matter how 898 | // often you call it. Useful for lazy initialization. 899 | _.once = _.partial(_.before, 2); 900 | 901 | // Object Functions 902 | // ---------------- 903 | 904 | // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed. 905 | var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString'); 906 | var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString', 907 | 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; 908 | 909 | function collectNonEnumProps(obj, keys) { 910 | var nonEnumIdx = nonEnumerableProps.length; 911 | var constructor = obj.constructor; 912 | var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto; 913 | 914 | // Constructor is a special case. 915 | var prop = 'constructor'; 916 | if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop); 917 | 918 | while (nonEnumIdx--) { 919 | prop = nonEnumerableProps[nonEnumIdx]; 920 | if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) { 921 | keys.push(prop); 922 | } 923 | } 924 | } 925 | 926 | // Retrieve the names of an object's own properties. 927 | // Delegates to **ECMAScript 5**'s native `Object.keys` 928 | _.keys = function(obj) { 929 | if (!_.isObject(obj)) return []; 930 | if (nativeKeys) return nativeKeys(obj); 931 | var keys = []; 932 | for (var key in obj) if (_.has(obj, key)) keys.push(key); 933 | // Ahem, IE < 9. 934 | if (hasEnumBug) collectNonEnumProps(obj, keys); 935 | return keys; 936 | }; 937 | 938 | // Retrieve all the property names of an object. 939 | _.allKeys = function(obj) { 940 | if (!_.isObject(obj)) return []; 941 | var keys = []; 942 | for (var key in obj) keys.push(key); 943 | // Ahem, IE < 9. 944 | if (hasEnumBug) collectNonEnumProps(obj, keys); 945 | return keys; 946 | }; 947 | 948 | // Retrieve the values of an object's properties. 949 | _.values = function(obj) { 950 | var keys = _.keys(obj); 951 | var length = keys.length; 952 | var values = Array(length); 953 | for (var i = 0; i < length; i++) { 954 | values[i] = obj[keys[i]]; 955 | } 956 | return values; 957 | }; 958 | 959 | // Returns the results of applying the iteratee to each element of the object 960 | // In contrast to _.map it returns an object 961 | _.mapObject = function(obj, iteratee, context) { 962 | iteratee = cb(iteratee, context); 963 | var keys = _.keys(obj), 964 | length = keys.length, 965 | results = {}, 966 | currentKey; 967 | for (var index = 0; index < length; index++) { 968 | currentKey = keys[index]; 969 | results[currentKey] = iteratee(obj[currentKey], currentKey, obj); 970 | } 971 | return results; 972 | }; 973 | 974 | // Convert an object into a list of `[key, value]` pairs. 975 | _.pairs = function(obj) { 976 | var keys = _.keys(obj); 977 | var length = keys.length; 978 | var pairs = Array(length); 979 | for (var i = 0; i < length; i++) { 980 | pairs[i] = [keys[i], obj[keys[i]]]; 981 | } 982 | return pairs; 983 | }; 984 | 985 | // Invert the keys and values of an object. The values must be serializable. 986 | _.invert = function(obj) { 987 | var result = {}; 988 | var keys = _.keys(obj); 989 | for (var i = 0, length = keys.length; i < length; i++) { 990 | result[obj[keys[i]]] = keys[i]; 991 | } 992 | return result; 993 | }; 994 | 995 | // Return a sorted list of the function names available on the object. 996 | // Aliased as `methods` 997 | _.functions = _.methods = function(obj) { 998 | var names = []; 999 | for (var key in obj) { 1000 | if (_.isFunction(obj[key])) names.push(key); 1001 | } 1002 | return names.sort(); 1003 | }; 1004 | 1005 | // Extend a given object with all the properties in passed-in object(s). 1006 | _.extend = createAssigner(_.allKeys); 1007 | 1008 | // Assigns a given object with all the own properties in the passed-in object(s) 1009 | // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) 1010 | _.extendOwn = _.assign = createAssigner(_.keys); 1011 | 1012 | // Returns the first key on an object that passes a predicate test 1013 | _.findKey = function(obj, predicate, context) { 1014 | predicate = cb(predicate, context); 1015 | var keys = _.keys(obj), key; 1016 | for (var i = 0, length = keys.length; i < length; i++) { 1017 | key = keys[i]; 1018 | if (predicate(obj[key], key, obj)) return key; 1019 | } 1020 | }; 1021 | 1022 | // Return a copy of the object only containing the whitelisted properties. 1023 | _.pick = function(object, oiteratee, context) { 1024 | var result = {}, obj = object, iteratee, keys; 1025 | if (obj == null) return result; 1026 | if (_.isFunction(oiteratee)) { 1027 | keys = _.allKeys(obj); 1028 | iteratee = optimizeCb(oiteratee, context); 1029 | } else { 1030 | keys = flatten(arguments, false, false, 1); 1031 | iteratee = function(value, key, obj) { return key in obj; }; 1032 | obj = Object(obj); 1033 | } 1034 | for (var i = 0, length = keys.length; i < length; i++) { 1035 | var key = keys[i]; 1036 | var value = obj[key]; 1037 | if (iteratee(value, key, obj)) result[key] = value; 1038 | } 1039 | return result; 1040 | }; 1041 | 1042 | // Return a copy of the object without the blacklisted properties. 1043 | _.omit = function(obj, iteratee, context) { 1044 | if (_.isFunction(iteratee)) { 1045 | iteratee = _.negate(iteratee); 1046 | } else { 1047 | var keys = _.map(flatten(arguments, false, false, 1), String); 1048 | iteratee = function(value, key) { 1049 | return !_.contains(keys, key); 1050 | }; 1051 | } 1052 | return _.pick(obj, iteratee, context); 1053 | }; 1054 | 1055 | // Fill in a given object with default properties. 1056 | _.defaults = createAssigner(_.allKeys, true); 1057 | 1058 | // Creates an object that inherits from the given prototype object. 1059 | // If additional properties are provided then they will be added to the 1060 | // created object. 1061 | _.create = function(prototype, props) { 1062 | var result = baseCreate(prototype); 1063 | if (props) _.extendOwn(result, props); 1064 | return result; 1065 | }; 1066 | 1067 | // Create a (shallow-cloned) duplicate of an object. 1068 | _.clone = function(obj) { 1069 | if (!_.isObject(obj)) return obj; 1070 | return _.isArray(obj) ? obj.slice() : _.extend({}, obj); 1071 | }; 1072 | 1073 | // Invokes interceptor with the obj, and then returns obj. 1074 | // The primary purpose of this method is to "tap into" a method chain, in 1075 | // order to perform operations on intermediate results within the chain. 1076 | _.tap = function(obj, interceptor) { 1077 | interceptor(obj); 1078 | return obj; 1079 | }; 1080 | 1081 | // Returns whether an object has a given set of `key:value` pairs. 1082 | _.isMatch = function(object, attrs) { 1083 | var keys = _.keys(attrs), length = keys.length; 1084 | if (object == null) return !length; 1085 | var obj = Object(object); 1086 | for (var i = 0; i < length; i++) { 1087 | var key = keys[i]; 1088 | if (attrs[key] !== obj[key] || !(key in obj)) return false; 1089 | } 1090 | return true; 1091 | }; 1092 | 1093 | 1094 | // Internal recursive comparison function for `isEqual`. 1095 | var eq = function(a, b, aStack, bStack) { 1096 | // Identical objects are equal. `0 === -0`, but they aren't identical. 1097 | // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal). 1098 | if (a === b) return a !== 0 || 1 / a === 1 / b; 1099 | // A strict comparison is necessary because `null == undefined`. 1100 | if (a == null || b == null) return a === b; 1101 | // Unwrap any wrapped objects. 1102 | if (a instanceof _) a = a._wrapped; 1103 | if (b instanceof _) b = b._wrapped; 1104 | // Compare `[[Class]]` names. 1105 | var className = toString.call(a); 1106 | if (className !== toString.call(b)) return false; 1107 | switch (className) { 1108 | // Strings, numbers, regular expressions, dates, and booleans are compared by value. 1109 | case '[object RegExp]': 1110 | // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i') 1111 | case '[object String]': 1112 | // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is 1113 | // equivalent to `new String("5")`. 1114 | return '' + a === '' + b; 1115 | case '[object Number]': 1116 | // `NaN`s are equivalent, but non-reflexive. 1117 | // Object(NaN) is equivalent to NaN 1118 | if (+a !== +a) return +b !== +b; 1119 | // An `egal` comparison is performed for other numeric values. 1120 | return +a === 0 ? 1 / +a === 1 / b : +a === +b; 1121 | case '[object Date]': 1122 | case '[object Boolean]': 1123 | // Coerce dates and booleans to numeric primitive values. Dates are compared by their 1124 | // millisecond representations. Note that invalid dates with millisecond representations 1125 | // of `NaN` are not equivalent. 1126 | return +a === +b; 1127 | } 1128 | 1129 | var areArrays = className === '[object Array]'; 1130 | if (!areArrays) { 1131 | if (typeof a != 'object' || typeof b != 'object') return false; 1132 | 1133 | // Objects with different constructors are not equivalent, but `Object`s or `Array`s 1134 | // from different frames are. 1135 | var aCtor = a.constructor, bCtor = b.constructor; 1136 | if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor && 1137 | _.isFunction(bCtor) && bCtor instanceof bCtor) 1138 | && ('constructor' in a && 'constructor' in b)) { 1139 | return false; 1140 | } 1141 | } 1142 | // Assume equality for cyclic structures. The algorithm for detecting cyclic 1143 | // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`. 1144 | 1145 | // Initializing stack of traversed objects. 1146 | // It's done here since we only need them for objects and arrays comparison. 1147 | aStack = aStack || []; 1148 | bStack = bStack || []; 1149 | var length = aStack.length; 1150 | while (length--) { 1151 | // Linear search. Performance is inversely proportional to the number of 1152 | // unique nested structures. 1153 | if (aStack[length] === a) return bStack[length] === b; 1154 | } 1155 | 1156 | // Add the first object to the stack of traversed objects. 1157 | aStack.push(a); 1158 | bStack.push(b); 1159 | 1160 | // Recursively compare objects and arrays. 1161 | if (areArrays) { 1162 | // Compare array lengths to determine if a deep comparison is necessary. 1163 | length = a.length; 1164 | if (length !== b.length) return false; 1165 | // Deep compare the contents, ignoring non-numeric properties. 1166 | while (length--) { 1167 | if (!eq(a[length], b[length], aStack, bStack)) return false; 1168 | } 1169 | } else { 1170 | // Deep compare objects. 1171 | var keys = _.keys(a), key; 1172 | length = keys.length; 1173 | // Ensure that both objects contain the same number of properties before comparing deep equality. 1174 | if (_.keys(b).length !== length) return false; 1175 | while (length--) { 1176 | // Deep compare each member 1177 | key = keys[length]; 1178 | if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false; 1179 | } 1180 | } 1181 | // Remove the first object from the stack of traversed objects. 1182 | aStack.pop(); 1183 | bStack.pop(); 1184 | return true; 1185 | }; 1186 | 1187 | // Perform a deep comparison to check if two objects are equal. 1188 | _.isEqual = function(a, b) { 1189 | return eq(a, b); 1190 | }; 1191 | 1192 | // Is a given array, string, or object empty? 1193 | // An "empty" object has no enumerable own-properties. 1194 | _.isEmpty = function(obj) { 1195 | if (obj == null) return true; 1196 | if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0; 1197 | return _.keys(obj).length === 0; 1198 | }; 1199 | 1200 | // Is a given value a DOM element? 1201 | _.isElement = function(obj) { 1202 | return !!(obj && obj.nodeType === 1); 1203 | }; 1204 | 1205 | // Is a given value an array? 1206 | // Delegates to ECMA5's native Array.isArray 1207 | _.isArray = nativeIsArray || function(obj) { 1208 | return toString.call(obj) === '[object Array]'; 1209 | }; 1210 | 1211 | // Is a given variable an object? 1212 | _.isObject = function(obj) { 1213 | var type = typeof obj; 1214 | return type === 'function' || type === 'object' && !!obj; 1215 | }; 1216 | 1217 | // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError. 1218 | _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) { 1219 | _['is' + name] = function(obj) { 1220 | return toString.call(obj) === '[object ' + name + ']'; 1221 | }; 1222 | }); 1223 | 1224 | // Define a fallback version of the method in browsers (ahem, IE < 9), where 1225 | // there isn't any inspectable "Arguments" type. 1226 | if (!_.isArguments(arguments)) { 1227 | _.isArguments = function(obj) { 1228 | return _.has(obj, 'callee'); 1229 | }; 1230 | } 1231 | 1232 | // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8, 1233 | // IE 11 (#1621), and in Safari 8 (#1929). 1234 | if (typeof /./ != 'function' && typeof Int8Array != 'object') { 1235 | _.isFunction = function(obj) { 1236 | return typeof obj == 'function' || false; 1237 | }; 1238 | } 1239 | 1240 | // Is a given object a finite number? 1241 | _.isFinite = function(obj) { 1242 | return isFinite(obj) && !isNaN(parseFloat(obj)); 1243 | }; 1244 | 1245 | // Is the given value `NaN`? (NaN is the only number which does not equal itself). 1246 | _.isNaN = function(obj) { 1247 | return _.isNumber(obj) && obj !== +obj; 1248 | }; 1249 | 1250 | // Is a given value a boolean? 1251 | _.isBoolean = function(obj) { 1252 | return obj === true || obj === false || toString.call(obj) === '[object Boolean]'; 1253 | }; 1254 | 1255 | // Is a given value equal to null? 1256 | _.isNull = function(obj) { 1257 | return obj === null; 1258 | }; 1259 | 1260 | // Is a given variable undefined? 1261 | _.isUndefined = function(obj) { 1262 | return obj === void 0; 1263 | }; 1264 | 1265 | // Shortcut function for checking if an object has a given property directly 1266 | // on itself (in other words, not on a prototype). 1267 | _.has = function(obj, key) { 1268 | return obj != null && hasOwnProperty.call(obj, key); 1269 | }; 1270 | 1271 | // Utility Functions 1272 | // ----------------- 1273 | 1274 | // Run Underscore.js in *noConflict* mode, returning the `_` variable to its 1275 | // previous owner. Returns a reference to the Underscore object. 1276 | _.noConflict = function() { 1277 | root._ = previousUnderscore; 1278 | return this; 1279 | }; 1280 | 1281 | // Keep the identity function around for default iteratees. 1282 | _.identity = function(value) { 1283 | return value; 1284 | }; 1285 | 1286 | // Predicate-generating functions. Often useful outside of Underscore. 1287 | _.constant = function(value) { 1288 | return function() { 1289 | return value; 1290 | }; 1291 | }; 1292 | 1293 | _.noop = function(){}; 1294 | 1295 | _.property = property; 1296 | 1297 | // Generates a function for a given object that returns a given property. 1298 | _.propertyOf = function(obj) { 1299 | return obj == null ? function(){} : function(key) { 1300 | return obj[key]; 1301 | }; 1302 | }; 1303 | 1304 | // Returns a predicate for checking whether an object has a given set of 1305 | // `key:value` pairs. 1306 | _.matcher = _.matches = function(attrs) { 1307 | attrs = _.extendOwn({}, attrs); 1308 | return function(obj) { 1309 | return _.isMatch(obj, attrs); 1310 | }; 1311 | }; 1312 | 1313 | // Run a function **n** times. 1314 | _.times = function(n, iteratee, context) { 1315 | var accum = Array(Math.max(0, n)); 1316 | iteratee = optimizeCb(iteratee, context, 1); 1317 | for (var i = 0; i < n; i++) accum[i] = iteratee(i); 1318 | return accum; 1319 | }; 1320 | 1321 | // Return a random integer between min and max (inclusive). 1322 | _.random = function(min, max) { 1323 | if (max == null) { 1324 | max = min; 1325 | min = 0; 1326 | } 1327 | return min + Math.floor(Math.random() * (max - min + 1)); 1328 | }; 1329 | 1330 | // A (possibly faster) way to get the current timestamp as an integer. 1331 | _.now = Date.now || function() { 1332 | return new Date().getTime(); 1333 | }; 1334 | 1335 | // List of HTML entities for escaping. 1336 | var escapeMap = { 1337 | '&': '&', 1338 | '<': '<', 1339 | '>': '>', 1340 | '"': '"', 1341 | "'": ''', 1342 | '`': '`' 1343 | }; 1344 | var unescapeMap = _.invert(escapeMap); 1345 | 1346 | // Functions for escaping and unescaping strings to/from HTML interpolation. 1347 | var createEscaper = function(map) { 1348 | var escaper = function(match) { 1349 | return map[match]; 1350 | }; 1351 | // Regexes for identifying a key that needs to be escaped 1352 | var source = '(?:' + _.keys(map).join('|') + ')'; 1353 | var testRegexp = RegExp(source); 1354 | var replaceRegexp = RegExp(source, 'g'); 1355 | return function(string) { 1356 | string = string == null ? '' : '' + string; 1357 | return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string; 1358 | }; 1359 | }; 1360 | _.escape = createEscaper(escapeMap); 1361 | _.unescape = createEscaper(unescapeMap); 1362 | 1363 | // If the value of the named `property` is a function then invoke it with the 1364 | // `object` as context; otherwise, return it. 1365 | _.result = function(object, property, fallback) { 1366 | var value = object == null ? void 0 : object[property]; 1367 | if (value === void 0) { 1368 | value = fallback; 1369 | } 1370 | return _.isFunction(value) ? value.call(object) : value; 1371 | }; 1372 | 1373 | // Generate a unique integer id (unique within the entire client session). 1374 | // Useful for temporary DOM ids. 1375 | var idCounter = 0; 1376 | _.uniqueId = function(prefix) { 1377 | var id = ++idCounter + ''; 1378 | return prefix ? prefix + id : id; 1379 | }; 1380 | 1381 | // By default, Underscore uses ERB-style template delimiters, change the 1382 | // following template settings to use alternative delimiters. 1383 | _.templateSettings = { 1384 | evaluate : /<%([\s\S]+?)%>/g, 1385 | interpolate : /<%=([\s\S]+?)%>/g, 1386 | escape : /<%-([\s\S]+?)%>/g 1387 | }; 1388 | 1389 | // When customizing `templateSettings`, if you don't want to define an 1390 | // interpolation, evaluation or escaping regex, we need one that is 1391 | // guaranteed not to match. 1392 | var noMatch = /(.)^/; 1393 | 1394 | // Certain characters need to be escaped so that they can be put into a 1395 | // string literal. 1396 | var escapes = { 1397 | "'": "'", 1398 | '\\': '\\', 1399 | '\r': 'r', 1400 | '\n': 'n', 1401 | '\u2028': 'u2028', 1402 | '\u2029': 'u2029' 1403 | }; 1404 | 1405 | var escaper = /\\|'|\r|\n|\u2028|\u2029/g; 1406 | 1407 | var escapeChar = function(match) { 1408 | return '\\' + escapes[match]; 1409 | }; 1410 | 1411 | // JavaScript micro-templating, similar to John Resig's implementation. 1412 | // Underscore templating handles arbitrary delimiters, preserves whitespace, 1413 | // and correctly escapes quotes within interpolated code. 1414 | // NB: `oldSettings` only exists for backwards compatibility. 1415 | _.template = function(text, settings, oldSettings) { 1416 | if (!settings && oldSettings) settings = oldSettings; 1417 | settings = _.defaults({}, settings, _.templateSettings); 1418 | 1419 | // Combine delimiters into one regular expression via alternation. 1420 | var matcher = RegExp([ 1421 | (settings.escape || noMatch).source, 1422 | (settings.interpolate || noMatch).source, 1423 | (settings.evaluate || noMatch).source 1424 | ].join('|') + '|$', 'g'); 1425 | 1426 | // Compile the template source, escaping string literals appropriately. 1427 | var index = 0; 1428 | var source = "__p+='"; 1429 | text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { 1430 | source += text.slice(index, offset).replace(escaper, escapeChar); 1431 | index = offset + match.length; 1432 | 1433 | if (escape) { 1434 | source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; 1435 | } else if (interpolate) { 1436 | source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; 1437 | } else if (evaluate) { 1438 | source += "';\n" + evaluate + "\n__p+='"; 1439 | } 1440 | 1441 | // Adobe VMs need the match returned to produce the correct offest. 1442 | return match; 1443 | }); 1444 | source += "';\n"; 1445 | 1446 | // If a variable is not specified, place data values in local scope. 1447 | if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n'; 1448 | 1449 | source = "var __t,__p='',__j=Array.prototype.join," + 1450 | "print=function(){__p+=__j.call(arguments,'');};\n" + 1451 | source + 'return __p;\n'; 1452 | 1453 | try { 1454 | var render = new Function(settings.variable || 'obj', '_', source); 1455 | } catch (e) { 1456 | e.source = source; 1457 | throw e; 1458 | } 1459 | 1460 | var template = function(data) { 1461 | return render.call(this, data, _); 1462 | }; 1463 | 1464 | // Provide the compiled source as a convenience for precompilation. 1465 | var argument = settings.variable || 'obj'; 1466 | template.source = 'function(' + argument + '){\n' + source + '}'; 1467 | 1468 | return template; 1469 | }; 1470 | 1471 | // Add a "chain" function. Start chaining a wrapped Underscore object. 1472 | _.chain = function(obj) { 1473 | var instance = _(obj); 1474 | instance._chain = true; 1475 | return instance; 1476 | }; 1477 | 1478 | // OOP 1479 | // --------------- 1480 | // If Underscore is called as a function, it returns a wrapped object that 1481 | // can be used OO-style. This wrapper holds altered versions of all the 1482 | // underscore functions. Wrapped objects may be chained. 1483 | 1484 | // Helper function to continue chaining intermediate results. 1485 | var result = function(instance, obj) { 1486 | return instance._chain ? _(obj).chain() : obj; 1487 | }; 1488 | 1489 | // Add your own custom functions to the Underscore object. 1490 | _.mixin = function(obj) { 1491 | _.each(_.functions(obj), function(name) { 1492 | var func = _[name] = obj[name]; 1493 | _.prototype[name] = function() { 1494 | var args = [this._wrapped]; 1495 | push.apply(args, arguments); 1496 | return result(this, func.apply(_, args)); 1497 | }; 1498 | }); 1499 | }; 1500 | 1501 | // Add all of the Underscore functions to the wrapper object. 1502 | _.mixin(_); 1503 | 1504 | // Add all mutator Array functions to the wrapper. 1505 | _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) { 1506 | var method = ArrayProto[name]; 1507 | _.prototype[name] = function() { 1508 | var obj = this._wrapped; 1509 | method.apply(obj, arguments); 1510 | if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0]; 1511 | return result(this, obj); 1512 | }; 1513 | }); 1514 | 1515 | // Add all accessor Array functions to the wrapper. 1516 | _.each(['concat', 'join', 'slice'], function(name) { 1517 | var method = ArrayProto[name]; 1518 | _.prototype[name] = function() { 1519 | return result(this, method.apply(this._wrapped, arguments)); 1520 | }; 1521 | }); 1522 | 1523 | // Extracts the result from a wrapped and chained object. 1524 | _.prototype.value = function() { 1525 | return this._wrapped; 1526 | }; 1527 | 1528 | // Provide unwrapping proxy for some methods used in engine operations 1529 | // such as arithmetic and JSON stringification. 1530 | _.prototype.valueOf = _.prototype.toJSON = _.prototype.value; 1531 | 1532 | _.prototype.toString = function() { 1533 | return '' + this._wrapped; 1534 | }; 1535 | 1536 | // AMD registration happens at the end for compatibility with AMD loaders 1537 | // that may not enforce next-turn semantics on modules. Even though general 1538 | // practice for AMD registration is to be anonymous, underscore registers 1539 | // as a named module because, like jQuery, it is a base library that is 1540 | // popular enough to be bundled in a third party lib, but not be part of 1541 | // an AMD load request. Those cases could generate an error when an 1542 | // anonymous define() is called outside of a loader request. 1543 | if (typeof define === 'function' && define.amd) { 1544 | define('underscore', [], function() { 1545 | return _; 1546 | }); 1547 | } 1548 | }.call(this)); 1549 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "unoconv2", 3 | "version": "1.0.0", 4 | "description": "Based on node-unoconv by gfloyd with a childProcess.spawn fix", 5 | "main": "index.js", 6 | "scripts": { 7 | "test": "echo \"Error: no test specified\" && exit 1" 8 | }, 9 | "repository": { 10 | "type": "git", 11 | "url": "https://github.com/HAASLEWER/unoconv2.git" 12 | }, 13 | "keywords": [ 14 | "unoconv" 15 | ], 16 | "author": "Lehan Coetzee ", 17 | "license": "ISC", 18 | "bugs": { 19 | "url": "https://github.com/HAASLEWER/unoconv2/issues" 20 | }, 21 | "homepage": "https://github.com/HAASLEWER/unoconv2", 22 | "dependencies": { 23 | "mime": "^1.3.4", 24 | "underscore": "^1.8.3" 25 | }, 26 | "devDependencies": {} 27 | } 28 | --------------------------------------------------------------------------------