Merge pull request #3 from rspective/browserize

make the module work in a browser
voucherifyio · Dec 2, 2015 · b2cc4b6 · b2cc4b6
2 parents a0703ae + c806251
commit b2cc4b6
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Showing 4 changed files with 80 additions and 34 deletions.
diff --git a/README.md b/README.md
@@ -4,7 +4,9 @@ Generate unique, hard to guess coupon, voucher codes.
 
 This library originates from [Voucherify](http://www.voucherify.io/?utm_source=inbound&utm_medium=github&utm_campaign=js-voucher-code-generator-beta).
 
-### Usage
+### Installation
+
+#### In Node.js
 
 Install with npm:
 
@@ -13,10 +15,19 @@ $ npm install --save voucher-code-generator
 ```
 
 Include with require:
+
 ```
 var voucher_codes = require('voucher-code-generator');
 ```
 
+#### In a browser
+
+```
+<script src="voucher_codes.js"></script>
+```
+
+### Usage
+
 Generate 5 codes, each 8 characters long:
 ```
 voucher_codes.generate({

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "voucher-code-generator",
-    "version": "0.0.2",
+    "version": "0.0.3",
 
     "homepage": "http://www.voucherify.io/",
     "description": "Voucher Code Generator",

diff --git a/test/test.html b/test/test.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title></title>
+    <script src="../voucher_codes.js"></script>
+</head>
+<body>
+    <ul id="codes"></ul>
+    <script>
+        var codesList = document.getElementById("codes");
+        var codes = voucher_codes.generate({
+            length: 6,
+            count: 4
+        });
+        codes.forEach(function(code) {
+            codesList.innerHTML += "<li>" + code + "</li>";
+        });
+    </script>
+</body>
+</html>
diff --git a/voucher_codes.js b/voucher_codes.js
@@ -1,36 +1,50 @@
-"use strict";
-
-function randomInt(min, max) {
-    return Math.floor(Math.random() * (max - min + 1)) + min;
-}
-
-function randomElem(arr) {
-    return arr[randomInt(0, arr.length-1)];
-}
-
-function generateOne(config) {
-    var length = config.length || 8;
-    var charset = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
-    var code = "";
-    for (var i = 0; i < length; i++) {
-        code += randomElem(charset);
+;(function() {
+    "use strict";
+
+    var root = this;
+
+    function randomInt(min, max) {
+        return Math.floor(Math.random() * (max - min + 1)) + min;
+    }
+
+    function randomElem(arr) {
+        return arr[randomInt(0, arr.length - 1)];
+    }
+
+    function generateOne(config) {
+        var length = config.length || 8;
+        var charset = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        var code = "";
+        for (var i = 0; i < length; i++) {
+            code += randomElem(charset);
+        }
+        return code;
+    }
+
+    function generate(config) {
+        var count = config.count || 1;
+        var codes = {};
+        while (count > 0) {
+            var code = generateOne(config);
+            if (codes[code] === undefined) {
+                codes[code] = true;
+                count--;
+            }
+        }
+        return Object.keys(codes);
     }
-    return code;
-}
-
-function generate(config) {
-    var count = config.count || 1;
-    var codes = {};
-    while (count > 0) {
-        var code =  generateOne(config);
-        if (codes[code] === undefined) {
-            codes[code] = true;
-            count--;
+
+    var voucher_codes = {
+        generate: generate
+    };
+
+    if (typeof exports !== 'undefined') {
+        if (typeof module !== 'undefined' && module.exports) {
+            exports = module.exports = voucher_codes;
         }
+        exports = voucher_codes;
+    } else {
+        root.voucher_codes = voucher_codes;
     }
-    return Object.keys(codes);
-}
 
-module.exports = {
-    generate: generate
-};
+}).call(this);