Add an unload() method for clearing the dictionary.

README.md

@@ -36,6 +36,14 @@ or using $('selector')._t() function
 $('div#example')._t('some text');
 ```
 
+If you'd like to switch languages, you can unload the current dictionary and load a new one:
+
+```javascript
+$.i18n.load('en');
+$.i18n.unload();
+$.i18n.load('ja');
+```
+
 Wildcards
 ---------
 

jquery.i18n.js

@@ -6,7 +6,7 @@
  *
  * Licensed under the MIT license.
  *
- * Version: 1.1.1 (Wed, 28 Jan 2015 15:16:19 GMT)
+ * Version: 1.1.1 (Fri, 11 Aug 2017 03:37:25 GMT)
  */
 (function($) {
   /**
@@ -37,11 +37,22 @@
       } else {
         this.dict = i18n_dict;
       }
+
       if (missingPattern) {
         this.missingPattern = missingPattern;
       }
     },
 
+    /**
+     * unload()
+     *
+     * Unloads translations and clears the dictionary.
+     */
+    unload: function() {
+      this.dict           = null;
+      this.missingPattern = null;
+    },
+
     /**
      * _()
      *

specs/jquery.i18n.spec.js

@@ -1,75 +1,83 @@
 describe ('jquery.i18n plugin', function() {
-  
+
 	it ('translates a key into the string', function() {
 		$.i18n.load({ a_key: 'translated string' });
-		
+
 		expect($.i18n._('a_key')).toEqual('translated string');
 	});
-	
+
 	it ('returns the key when there is no translation', function() {
 		$.i18n.load({ a_key: 'translated string' });
-		
+
 		expect($.i18n._('another_key')).toEqual('another_key');
 	});
 
 	it ('returns the missing pattern when there is no translation, and a missing pattern is provided', function() {
 		$.i18n.load({ a_key: 'translated string' }, "{{ %s }}");
-		
+
 		expect($.i18n._('another_key')).toEqual('{{ another_key }}');
 	});
-	
+
 	describe ('variable substitution', function() {
-	  
+
 		describe ('variable lists', function() {
-		  
+
 			it ('allows a string variable to be substituted into a translation', function() {
 				$.i18n.load({ a_key: 'translated string %s' });
 
 				expect($.i18n._('a_key', ['variable'])).toEqual('translated string variable');
 			});
-		
+
 			it ('allows many string variable to be substituted into a translation', function() {
 				$.i18n.load({ a_key: 'translated string %s - %s - %s' });
 
 				expect($.i18n._('a_key', ['variables', 'in', 'list'])).toEqual('translated string variables - in - list');
 			});
-		
+
 			it ('handles variables at the start of a translation', function() {
 				$.i18n.load({ a_key: '%s and %s' });
 
 				expect($.i18n._('a_key', ['string 1', 'string 2'])).toEqual('string 1 and string 2');
 			});
-		
+
 			it ('treats %%s as a literal %s', function() {
 				$.i18n.load({ a_key: '%s and a literal %%s and %s' });
 
 				expect($.i18n._('a_key', ['string 1', 'string 2'])).toEqual('string 1 and a literal %s and string 2');
 			});
-			
+
 		});
-		
+
 		describe ('numbered variables', function() {
-			
+
 			it ('put 2 numbered variables out of order', function() {
 				$.i18n.load({ a_key: 'translated string %2$s - %1$s' });
 
 				expect($.i18n._('a_key', ['order', 'in'])).toEqual('translated string in - order');
 			});
-			
+
 			it ('put 2 numbered variables in order', function() {
 				$.i18n.load({ a_key: 'translated string %1$s - %2$s' });
 
 				expect($.i18n._('a_key', ['order', 'in'])).toEqual('translated string order - in');
 			});
-		
+
 			it ('put many numbered variables in random order', function() {
 				$.i18n.load({ a_key: 'translated string %3$s %1$s - %2$s' });
 
 				expect($.i18n._('a_key', ['in', 'order',  'many' ])).toEqual('translated string many in - order');
 			});
-			
+
 		});
-		
+
 	});
-
+
+	it ('allows the dictionary to be cleared', function() {
+		$.i18n.load({ a_key: 'translated string' });
+		expect($.i18n._('a_key')).toEqual('translated string');
+		$.i18n.unload();
+		expect($.i18n._('a_key')).toEqual('a_key');
+		expect($.i18n.dict).toBeNull();
+	});
+
 });

src/jquery.i18n.js

@@ -37,11 +37,22 @@
       } else {
         this.dict = i18n_dict;
       }
+
       if (missingPattern) {
         this.missingPattern = missingPattern;
       }
     },
 
+    /**
+     * unload()
+     *
+     * Unloads translations and clears the dictionary.
+     */
+    unload: function() {
+      this.dict           = null;
+      this.missingPattern = null;
+    },
+
     /**
      * _()
      *