wheel - npm Package Compare versions

Comparing version 0.0.5 to 1.0.0

index.js

 /**
- * This module unifies handling of mouse whee event across different browsers
+ * This module used to unify mouse wheel behavior between different browsers in 2014
+ * Now it's just a wrapper around addEventListener('wheel');
  *
- * See https://developer.mozilla.org/en-US/docs/Web/Reference/Events/wheel?redirectlocale=en-US&redirectslug=DOM%2FMozilla_event_reference%2Fwheel
- * for more details
- *
  * Usage:
@@ -15,3 +13,2 @@ *  var addWheelListener = require('wheel').addWheelListener;
  */
-// by default we shortcut to 'addEventListener':
 
@@ -25,96 +22,8 @@ module.exports = addWheelListener;
 
-var prefix = "", _addEventListener, _removeEventListener,  support;
-
-detectEventModel(typeof window !== 'undefined' && window,
-                typeof document !== 'undefined' && document);
-
-function addWheelListener( elem, callback, useCapture ) {
-    _addWheelListener( elem, support, callback, useCapture );
-
-    // handle MozMousePixelScroll in older Firefox
-    if( support == "DOMMouseScroll" ) {
-        _addWheelListener( elem, "MozMousePixelScroll", callback, useCapture );
-    }
+function addWheelListener(element, listener, useCapture) {
+  element.addEventListener('wheel', listener, useCapture);
 }
 
-function removeWheelListener( elem, callback, useCapture ) {
-    _removeWheelListener( elem, support, callback, useCapture );
-
-    // handle MozMousePixelScroll in older Firefox
-    if( support == "DOMMouseScroll" ) {
-        _removeWheelListener( elem, "MozMousePixelScroll", callback, useCapture );
-    }
-}
-
-  // TODO: in theory this anonymous function may result in incorrect
-  // unsubscription in some browsers. But in practice, I don't think we should
-  // worry too much about it (those browsers are on the way out)
-function _addWheelListener( elem, eventName, callback, useCapture ) {
-  elem[ _addEventListener ]( prefix + eventName, support == "wheel" ? callback : function( originalEvent ) {
-    !originalEvent && ( originalEvent = window.event );
-
-    // create a normalized event object
-    var event = {
-      // keep a ref to the original event object
-      originalEvent: originalEvent,
-      target: originalEvent.target || originalEvent.srcElement,
-      type: "wheel",
-      deltaMode: originalEvent.type == "MozMousePixelScroll" ? 0 : 1,
-      deltaX: 0,
-      deltaY: 0,
-      deltaZ: 0,
-      clientX: originalEvent.clientX,
-      clientY: originalEvent.clientY,
-      preventDefault: function() {
-        originalEvent.preventDefault ?
-            originalEvent.preventDefault() :
-            originalEvent.returnValue = false;
-      },
-      stopPropagation: function() {
-        if(originalEvent.stopPropagation)
-          originalEvent.stopPropagation();
-      },
-      stopImmediatePropagation: function() {
-        if(originalEvent.stopImmediatePropagation)
-          originalEvent.stopImmediatePropagation();
-      }
-    };
-
-    // calculate deltaY (and deltaX) according to the event
-    if ( support == "mousewheel" ) {
-      event.deltaY = - 1/40 * originalEvent.wheelDelta;
-      // Webkit also support wheelDeltaX
-      originalEvent.wheelDeltaX && ( event.deltaX = - 1/40 * originalEvent.wheelDeltaX );
-    } else {
-      event.deltaY = originalEvent.detail;
-    }
-
-    // it's time to fire the callback
-    return callback( event );
-
-  }, useCapture || false );
-}
-
-function _removeWheelListener( elem, eventName, callback, useCapture ) {
-  elem[ _removeEventListener ]( prefix + eventName, callback, useCapture || false );
-}
-
-function detectEventModel(window, document) {
-  if ( window && window.addEventListener ) {
-      _addEventListener = "addEventListener";
-      _removeEventListener = "removeEventListener";
-  } else {
-      _addEventListener = "attachEvent";
-      _removeEventListener = "detachEvent";
-      prefix = "on";
-  }
-
-  if (document) {
-    // detect available wheel event
-    support = "onwheel" in document.createElement("div") ? "wheel" : // Modern browsers support "wheel"
-              document.onmousewheel !== undefined ? "mousewheel" : // Webkit and IE support at least "mousewheel"
-              "DOMMouseScroll"; // let's assume that remaining browsers are older Firefox
-  } else {
-    support = "wheel";
-  }
-}
+function removeWheelListener( element, listener, useCapture ) {
+  element.removeEventListener('wheel', listener, useCapture);
+}

package.json

 {
   "name": "wheel",
-  "version": "0.0.5",
+  "version": "1.0.0",
   "description": "Mouse wheel event unified for all browsers",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

 # wheel  [![Build Status](https://travis-ci.org/anvaka/wheel.svg)](https://travis-ci.org/anvaka/wheel)
 
-This module unifies handling of mouse whee event across different browsers.
+In 2014 this module was supposed to unify handling of mouse whee event across
+different browsers.
 
-See [MDN](https://developer.mozilla.org/en-US/docs/Web/Reference/Events/wheel?redirectlocale=en-US&redirectslug=DOM%2FMozilla_event_reference%2Fwheel)
-for more details.
+Now it's just a wrapper on top of `element.addEventListener('wheel', callback)`;
 
@@ -8,0 +8,0 @@ # Usage

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3581

decreased by-49.65%

Number of package files

6

decreased by-14.29%

Lines of code

29

decreased by-73.39%

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