Add polyfill for String.prototype.includes

8 years ago · f112f782e6
parent b076014983
commit f112f782e6
5 changed files with 23 additions and 0 deletions
--- a/downloads/index.html
+++ b/downloads/index.html
@ -21,6 +21,8 @@
    <script src="../static/scripts/marked.min.js"></script>
    <script src="../static/scripts/emojify.min.js"></script>
    <script src="../static/scripts/filesize.min.js"></script>
+
+    <script src="../static/scripts/custom/polyfills.js"></script>
  </head>

  <body>
--- a/guide/index.html
+++ b/guide/index.html
@ -19,6 +19,8 @@
    <script src="../static/scripts/moment.min.js"></script>
    <script src="../static/scripts/marked.min.js"></script>
    <script src="../static/scripts/emojify.min.js"></script>
+
+    <script src="../static/scripts/custom/polyfills.js"></script>
  </head>

  <body>
--- a/index.html
+++ b/index.html
@ -20,6 +20,8 @@
    <script src="./static/scripts/moment.min.js"></script>
    <script src="./static/scripts/marked.min.js"></script>
    <script src="./static/scripts/emojify.min.js"></script>
+
+    <script src="../static/scripts/custom/polyfills.js"></script>
  </head>

  <body>
--- a/install/index.html
+++ b/install/index.html
@ -19,6 +19,8 @@
    <script src="../static/scripts/moment.min.js"></script>
    <script src="../static/scripts/marked.min.js"></script>
    <script src="../static/scripts/emojify.min.js"></script>
+
+    <script src="../static/scripts/custom/polyfills.js"></script>
  </head>

  <body>
--- a/static/scripts/custom/polyfills.js
+++ b/static/scripts/custom/polyfills.js
@ -0,0 +1,15 @@
+// Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
+if (!String.prototype.includes) {
+  String.prototype.includes = function(search, start) {
+    'use strict';
+    if (typeof start !== 'number') {
+      start = 0;
+    }
+
+    if (start + search.length > this.length) {
+      return false;
+    } else {
+      return this.indexOf(search, start) !== -1;
+    }
+  };
+}