Wrap switch in IIFE

src/switch/switch.js

@@ -15,24 +15,28 @@
  * limitations under the License.
  */
 
+(function() {
+  'use strict';
+
   /**
    * Class constructor for Checkbox MDL component.
    * Implements MDL component design pattern defined at:
    * https://github.com/jasonmayes/mdl-component-design-pattern
+   *
    * @param {HTMLElement} element The element that will be upgraded.
    */
-function MaterialSwitch(element) {
-  'use strict';
-
+  var MaterialSwitch = function MaterialSwitch(element) {
     this.element_ = element;
 
     // Initialize instance.
     this.init();
-}
+  };
+  window.MaterialSwitch = MaterialSwitch;
 
   /**
    * Store constants in one place so they can be updated easily.
- * @enum {string | number}
+   *
+   * @enum {String | Number}
    * @private
    */
   MaterialSwitch.prototype.Constant_ = {
@@ -43,7 +47,8 @@ MaterialSwitch.prototype.Constant_ = {
    * Store strings for class names defined by this component that are used in
    * JavaScript. This allows us to simply change it in one place should we
    * decide to modify at a later date.
- * @enum {string}
+   *
+   * @enum {String}
    * @private
    */
   MaterialSwitch.prototype.CssClasses_ = {
@@ -63,65 +68,60 @@ MaterialSwitch.prototype.CssClasses_ = {
 
   /**
    * Handle change of state.
+   *
    * @param {Event} event The event that fired.
    * @private
    */
   MaterialSwitch.prototype.onChange_ = function(event) {
-  'use strict';
-
     this.updateClasses_();
   };
 
   /**
    * Handle focus of element.
+   *
    * @param {Event} event The event that fired.
    * @private
    */
   MaterialSwitch.prototype.onFocus_ = function(event) {
-  'use strict';
-
     this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
   };
 
   /**
    * Handle lost focus of element.
+   *
    * @param {Event} event The event that fired.
    * @private
    */
   MaterialSwitch.prototype.onBlur_ = function(event) {
-  'use strict';
-
     this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
   };
 
   /**
    * Handle mouseup.
+   *
    * @param {Event} event The event that fired.
    * @private
    */
   MaterialSwitch.prototype.onMouseUp_ = function(event) {
-  'use strict';
-
     this.blur_();
   };
 
   /**
    * Handle class updates.
+   *
    * @private
    */
   MaterialSwitch.prototype.updateClasses_ = function() {
-  'use strict';
     this.checkDisabled();
     this.checkToggleState();
   };
 
   /**
    * Add blur.
+   *
    * @private
    */
   MaterialSwitch.prototype.blur_ = function(event) {
-  'use strict';
-
     // TODO: figure out why there's a focus event being fired after our blur,
     // so that we can avoid this hack.
     window.setTimeout(function() {
@@ -133,10 +133,10 @@ MaterialSwitch.prototype.blur_ = function(event) {
 
   /**
    * Check the components disabled state.
+   *
    * @public
    */
   MaterialSwitch.prototype.checkDisabled = function() {
-  'use strict';
     if (this.inputElement_.disabled) {
       this.element_.classList.add(this.CssClasses_.IS_DISABLED);
     } else {
@@ -146,10 +146,10 @@ MaterialSwitch.prototype.checkDisabled = function() {
 
   /**
    * Check the components toggled state.
+   *
    * @public
    */
   MaterialSwitch.prototype.checkToggleState = function() {
-  'use strict';
     if (this.inputElement_.checked) {
       this.element_.classList.add(this.CssClasses_.IS_CHECKED);
     } else {
@@ -159,44 +159,40 @@ MaterialSwitch.prototype.checkToggleState = function() {
 
   /**
    * Disable switch.
+   *
    * @public
    */
   MaterialSwitch.prototype.disable = function() {
-  'use strict';
-
     this.inputElement_.disabled = true;
     this.updateClasses_();
   };
 
   /**
    * Enable switch.
+   *
    * @public
    */
   MaterialSwitch.prototype.enable = function() {
-  'use strict';
-
     this.inputElement_.disabled = false;
     this.updateClasses_();
   };
 
   /**
    * Activate switch.
+   *
    * @public
    */
   MaterialSwitch.prototype.on = function() {
-  'use strict';
-
     this.inputElement_.checked = true;
     this.updateClasses_();
   };
 
   /**
    * Deactivate switch.
+   *
    * @public
    */
   MaterialSwitch.prototype.off = function() {
-  'use strict';
-
     this.inputElement_.checked = false;
     this.updateClasses_();
   };
@@ -205,8 +201,6 @@ MaterialSwitch.prototype.off = function() {
    * Initialize element.
    */
   MaterialSwitch.prototype.init = function() {
-  'use strict';
-
     if (this.element_) {
       this.inputElement_ = this.element_.querySelector('.' +
           this.CssClasses_.INPUT);
@@ -259,11 +253,12 @@ MaterialSwitch.prototype.init = function() {
     }
   };
 
-/*
+  /**
    * Downgrade the component.
+   *
+   * @private
    */
   MaterialSwitch.prototype.mdlDowngrade_ = function() {
-  'use strict';
     if (this.rippleContainerElement_) {
       this.rippleContainerElement_.removeEventListener('mouseup', this.boundMouseUpHandler);
     }
@@ -281,3 +276,4 @@ componentHandler.register({
     cssClass: 'mdl-js-switch',
     widget: true
   });
+})();