From: David Thompson <dthompson2@worcester.edu>
Date: Sat, 21 Mar 2015 14:44:25 +0000 (-0400)
Subject: 2015: live: Add Array#find polyfill.
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=bd956053c376facbb521a62ed358107636004782;p=libreplanet-static.git

2015: live: Add Array#find polyfill.
---

diff --git a/2015/assets/js/stream.js b/2015/assets/js/stream.js
index 9b6d67fc..a910e28e 100644
--- a/2015/assets/js/stream.js
+++ b/2015/assets/js/stream.js
@@ -21,6 +21,29 @@
  * @licend  The above is the entire license notice for the JavaScript code in this page
  */
 
+if (!Array.prototype.find) {
+  Array.prototype.find = function(predicate) {
+    if (this == null) {
+      throw new TypeError('Array.prototype.find called on null or undefined');
+    }
+    if (typeof predicate !== 'function') {
+      throw new TypeError('predicate must be a function');
+    }
+    var list = Object(this);
+    var length = list.length >>> 0;
+    var thisArg = arguments[1];
+    var value;
+
+    for (var i = 0; i < length; i++) {
+      value = list[i];
+      if (predicate.call(thisArg, value, i, list)) {
+        return value;
+      }
+    }
+    return undefined;
+  };
+}
+
 var app = {};
 
 app.icecastUrl = "//live.fsf.org";