wavesurfer.js

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/util.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">src/</a> util.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 27.54% Statements 19/69 </div> <div class='fl pad1y space-right2'> 11.76% Branches 4/34 </div> <div class='fl pad1y space-right2'> 33.33% Functions 6/18 </div> <div class='fl pad1y space-right2'> 28.79% Lines 19/66 </div> </div> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153</td><td class="line-coverage quiet">  1×   6× 6× 6× 57×     6×       2× 2× 5× 2×       2×       2× 2× 5× 4×       2×       1×                                                                                   1×                                                                                                                                                   1×  </td><td class="text"><pre class="prettyprint lang-js">/* Common utilities */ WaveSurfer.util = { extend: function (dest) { var sources = Array.prototype.slice.call(arguments, 1); sources.forEach(function (source) { Object.keys(source).forEach(function (key) { dest[key] = source[key]; }); }); return dest; },   min: function(values) { var min = +Infinity; for (var i in values) { if (values[i] < min) { min = values[i]; } }   return min; },   max: function(values) { var max = -Infinity; for (var i in values) { if (values[i] > max) { max = values[i]; } }   return max; },   getId: function () { return 'wavesurfer_' + Math.random().toString(32).substring(2); },   ajax: function (options) { var ajax = Object.create(WaveSurfer.Observer); var xhr = new XMLHttpRequest(); var fired100 = false;   xhr.open(options.method || 'GET', options.url, true); xhr.responseType = options.responseType || 'json';   xhr.addEventListener('progress', function (e) { ajax.fireEvent('progress', e); if (e.lengthComputable && e.loaded == e.total) { fired100 = true; } });   xhr.addEventListener('load', function (e) { if (!fired100) { ajax.fireEvent('progress', e); } ajax.fireEvent('load', e);   if (200 == xhr.status || 206 == xhr.status) { ajax.fireEvent('success', xhr.response, e); } else { ajax.fireEvent('error', e); } });   xhr.addEventListener('error', function (e) { ajax.fireEvent('error', e); });   xhr.send(); ajax.xhr = xhr; return ajax; } };   /* Observer */ WaveSurfer.Observer = { /** * Attach a handler function for an event. */ on: function (event, fn) { if (!this.handlers) { this.handlers = {}; }   var handlers = this.handlers[event]; if (!handlers) { handlers = this.handlers[event] = []; } handlers.push(fn);   // Return an event descriptor return { name: event, callback: fn, un: this.un.bind(this, event, fn) }; },   /** * Remove an event handler. */ un: function (event, fn) { if (!this.handlers) { return; }   var handlers = this.handlers[event]; if (handlers) { if (fn) { for (var i = handlers.length - 1; i >= 0; i--) { if (handlers[i] == fn) { handlers.splice(i, 1); } } } else { handlers.length = 0; } } },   /** * Remove all event handlers. */ unAll: function () { this.handlers = null; },   /** * Attach a handler to an event. The handler is executed at most once per * event type. */ once: function (event, handler) { var my = this; var fn = function () { handler.apply(this, arguments); setTimeout(function () { my.un(event, fn); }, 0); }; return this.on(event, fn); },   fireEvent: function (event) { if (!this.handlers) { return; } var handlers = this.handlers[event]; var args = Array.prototype.slice.call(arguments, 1); handlers && handlers.forEach(function (fn) { fn.apply(null, args); }); } };   /* Make the main WaveSurfer object an observer */ WaveSurfer.util.extend(WaveSurfer, WaveSurfer.Observer);  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Sat Oct 01 2016 11:49:33 GMT+0200 (CEST) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>