This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
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531 lines
17 KiB
531 lines
17 KiB
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.eventTargetShim = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ |
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/** |
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* @author Toru Nagashima |
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* @copyright 2015 Toru Nagashima. All rights reserved. |
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* See LICENSE file in root directory for full license. |
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*/ |
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"use strict"; |
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|
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/** |
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* Creates a unique key. |
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* |
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* @param {string} name - A name to create. |
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* @returns {symbol|string} |
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* @private |
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*/ |
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var createUniqueKey = exports.createUniqueKey = (typeof Symbol !== "undefined" ? |
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Symbol : |
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function createUniqueKey(name) { |
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return "[[" + name + "_" + Math.random().toFixed(8).slice(2) + "]]"; |
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}); |
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/** |
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* The key of listeners. |
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* |
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* @type {symbol|string} |
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* @private |
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*/ |
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exports.LISTENERS = createUniqueKey("listeners"); |
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/** |
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* A value of kind for listeners which are registered in the capturing phase. |
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* |
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* @type {number} |
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* @private |
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*/ |
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exports.CAPTURE = 1; |
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/** |
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* A value of kind for listeners which are registered in the bubbling phase. |
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* |
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* @type {number} |
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* @private |
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*/ |
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exports.BUBBLE = 2; |
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/** |
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* A value of kind for listeners which are registered as an attribute. |
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* |
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* @type {number} |
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* @private |
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*/ |
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exports.ATTRIBUTE = 3; |
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/** |
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* @typedef object ListenerNode |
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* @property {function} listener - A listener function. |
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* @property {number} kind - The kind of the listener. |
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* @property {ListenerNode|null} next - The next node. |
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* If this node is the last, this is `null`. |
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*/ |
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/** |
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* Creates a node of singly linked list for a list of listeners. |
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* |
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* @param {function} listener - A listener function. |
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* @param {number} kind - The kind of the listener. |
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* @returns {ListenerNode} The created listener node. |
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*/ |
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exports.newNode = function newNode(listener, kind) { |
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return {listener: listener, kind: kind, next: null}; |
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}; |
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},{}],2:[function(require,module,exports){ |
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/** |
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* @author Toru Nagashima |
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* @copyright 2015 Toru Nagashima. All rights reserved. |
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* See LICENSE file in root directory for full license. |
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*/ |
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"use strict"; |
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//----------------------------------------------------------------------------- |
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// Requirements |
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//----------------------------------------------------------------------------- |
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var Commons = require("./commons"); |
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var LISTENERS = Commons.LISTENERS; |
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var ATTRIBUTE = Commons.ATTRIBUTE; |
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var newNode = Commons.newNode; |
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//----------------------------------------------------------------------------- |
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// Helpers |
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//----------------------------------------------------------------------------- |
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/** |
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* Gets a specified attribute listener from a given EventTarget object. |
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* |
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* @param {EventTarget} eventTarget - An EventTarget object to get. |
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* @param {string} type - An event type to get. |
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* @returns {function|null} The found attribute listener. |
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*/ |
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function getAttributeListener(eventTarget, type) { |
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var node = eventTarget[LISTENERS][type]; |
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while (node != null) { |
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if (node.kind === ATTRIBUTE) { |
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return node.listener; |
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} |
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node = node.next; |
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} |
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return null; |
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} |
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/** |
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* Sets a specified attribute listener to a given EventTarget object. |
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* |
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* @param {EventTarget} eventTarget - An EventTarget object to set. |
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* @param {string} type - An event type to set. |
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* @param {function|null} listener - A listener to be set. |
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* @returns {void} |
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*/ |
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function setAttributeListener(eventTarget, type, listener) { |
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if (typeof listener !== "function" && typeof listener !== "object") { |
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listener = null; // eslint-disable-line no-param-reassign |
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} |
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var prev = null; |
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var node = eventTarget[LISTENERS][type]; |
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while (node != null) { |
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if (node.kind === ATTRIBUTE) { |
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// Remove old value. |
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if (prev == null) { |
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eventTarget[LISTENERS][type] = node.next; |
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} |
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else { |
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prev.next = node.next; |
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} |
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} |
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else { |
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prev = node; |
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} |
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node = node.next; |
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} |
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// Add new value. |
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if (listener != null) { |
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if (prev == null) { |
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eventTarget[LISTENERS][type] = newNode(listener, ATTRIBUTE); |
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} |
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else { |
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prev.next = newNode(listener, ATTRIBUTE); |
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} |
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} |
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} |
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//----------------------------------------------------------------------------- |
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// Public Interface |
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//----------------------------------------------------------------------------- |
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/** |
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* Defines an `EventTarget` implementation which has `onfoobar` attributes. |
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* |
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* @param {EventTarget} EventTargetBase - A base implementation of EventTarget. |
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* @param {string[]} types - A list of event types which are defined as attribute listeners. |
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* @returns {EventTarget} The defined `EventTarget` implementation which has attribute listeners. |
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*/ |
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exports.defineCustomEventTarget = function(EventTargetBase, types) { |
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function EventTarget() { |
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EventTargetBase.call(this); |
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} |
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var descripter = { |
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constructor: { |
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value: EventTarget, |
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configurable: true, |
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writable: true |
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} |
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}; |
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types.forEach(function(type) { |
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descripter["on" + type] = { |
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get: function() { return getAttributeListener(this, type); }, |
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set: function(listener) { setAttributeListener(this, type, listener); }, |
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configurable: true, |
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enumerable: true |
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}; |
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}); |
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EventTarget.prototype = Object.create(EventTargetBase.prototype, descripter); |
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return EventTarget; |
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}; |
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},{"./commons":1}],3:[function(require,module,exports){ |
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/** |
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* @author Toru Nagashima |
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* @copyright 2015 Toru Nagashima. All rights reserved. |
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* See LICENSE file in root directory for full license. |
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*/ |
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"use strict"; |
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//----------------------------------------------------------------------------- |
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// Requirements |
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//----------------------------------------------------------------------------- |
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var Commons = require("./commons"); |
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var CustomEventTarget = require("./custom-event-target"); |
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var EventWrapper = require("./event-wrapper"); |
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var LISTENERS = Commons.LISTENERS; |
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var CAPTURE = Commons.CAPTURE; |
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var BUBBLE = Commons.BUBBLE; |
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var ATTRIBUTE = Commons.ATTRIBUTE; |
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var newNode = Commons.newNode; |
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var defineCustomEventTarget = CustomEventTarget.defineCustomEventTarget; |
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var createEventWrapper = EventWrapper.createEventWrapper; |
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var STOP_IMMEDIATE_PROPAGATION_FLAG = |
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EventWrapper.STOP_IMMEDIATE_PROPAGATION_FLAG; |
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//----------------------------------------------------------------------------- |
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// Constants |
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//----------------------------------------------------------------------------- |
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/** |
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* A flag which shows there is the native `EventTarget` interface object. |
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* |
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* @type {boolean} |
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* @private |
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*/ |
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var HAS_EVENTTARGET_INTERFACE = ( |
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typeof window !== "undefined" && |
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typeof window.EventTarget !== "undefined" |
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); |
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//----------------------------------------------------------------------------- |
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// Public Interface |
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//----------------------------------------------------------------------------- |
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/** |
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* An implementation for `EventTarget` interface. |
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* |
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* @constructor |
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* @public |
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*/ |
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var EventTarget = module.exports = function EventTarget() { |
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if (this instanceof EventTarget) { |
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// this[LISTENERS] is a Map. |
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// Its key is event type. |
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// Its value is ListenerNode object or null. |
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// |
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// interface ListenerNode { |
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// var listener: Function |
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// var kind: CAPTURE|BUBBLE|ATTRIBUTE |
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// var next: ListenerNode|null |
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// } |
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Object.defineProperty(this, LISTENERS, {value: Object.create(null)}); |
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} |
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else if (arguments.length === 1 && Array.isArray(arguments[0])) { |
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return defineCustomEventTarget(EventTarget, arguments[0]); |
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} |
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else if (arguments.length > 0) { |
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var types = Array(arguments.length); |
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for (var i = 0; i < arguments.length; ++i) { |
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types[i] = arguments[i]; |
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} |
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// To use to extend with attribute listener properties. |
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// e.g. |
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// class MyCustomObject extends EventTarget("message", "error") { |
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// //... |
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// } |
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return defineCustomEventTarget(EventTarget, types); |
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} |
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else { |
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throw new TypeError("Cannot call a class as a function"); |
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} |
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}; |
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EventTarget.prototype = Object.create( |
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(HAS_EVENTTARGET_INTERFACE ? window.EventTarget : Object).prototype, |
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{ |
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constructor: { |
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value: EventTarget, |
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writable: true, |
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configurable: true |
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}, |
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addEventListener: { |
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value: function addEventListener(type, listener, capture) { |
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if (listener == null) { |
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return false; |
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} |
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if (typeof listener !== "function" && typeof listener !== "object") { |
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throw new TypeError("\"listener\" is not an object."); |
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} |
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var kind = (capture ? CAPTURE : BUBBLE); |
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var node = this[LISTENERS][type]; |
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if (node == null) { |
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this[LISTENERS][type] = newNode(listener, kind); |
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return true; |
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} |
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var prev = null; |
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while (node != null) { |
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if (node.listener === listener && node.kind === kind) { |
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// Should ignore a duplicated listener. |
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return false; |
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} |
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prev = node; |
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node = node.next; |
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} |
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prev.next = newNode(listener, kind); |
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return true; |
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}, |
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configurable: true, |
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writable: true |
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}, |
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removeEventListener: { |
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value: function removeEventListener(type, listener, capture) { |
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if (listener == null) { |
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return false; |
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} |
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var kind = (capture ? CAPTURE : BUBBLE); |
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var prev = null; |
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var node = this[LISTENERS][type]; |
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while (node != null) { |
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if (node.listener === listener && node.kind === kind) { |
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if (prev == null) { |
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this[LISTENERS][type] = node.next; |
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} |
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else { |
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prev.next = node.next; |
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} |
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return true; |
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} |
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prev = node; |
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node = node.next; |
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} |
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return false; |
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}, |
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configurable: true, |
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writable: true |
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}, |
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dispatchEvent: { |
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value: function dispatchEvent(event) { |
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// If listeners aren't registered, terminate. |
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var node = this[LISTENERS][event.type]; |
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if (node == null) { |
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return true; |
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} |
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|
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// Since we cannot rewrite several properties, so wrap object. |
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var wrapped = createEventWrapper(event, this); |
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|
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// This doesn't process capturing phase and bubbling phase. |
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// This isn't participating in a tree. |
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while (node != null) { |
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if (typeof node.listener === "function") { |
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node.listener.call(this, wrapped); |
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} |
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else if (node.kind !== ATTRIBUTE && typeof node.listener.handleEvent === "function") { |
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node.listener.handleEvent(wrapped); |
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} |
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if (wrapped[STOP_IMMEDIATE_PROPAGATION_FLAG]) { |
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break; |
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} |
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node = node.next; |
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} |
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return !wrapped.defaultPrevented; |
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}, |
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configurable: true, |
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writable: true |
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} |
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} |
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); |
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},{"./commons":1,"./custom-event-target":2,"./event-wrapper":4}],4:[function(require,module,exports){ |
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/** |
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* @author Toru Nagashima |
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* @copyright 2015 Toru Nagashima. All rights reserved. |
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* See LICENSE file in root directory for full license. |
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*/ |
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|
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"use strict"; |
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|
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//----------------------------------------------------------------------------- |
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// Requirements |
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//----------------------------------------------------------------------------- |
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|
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var createUniqueKey = require("./commons").createUniqueKey; |
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|
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//----------------------------------------------------------------------------- |
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// Constsnts |
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//----------------------------------------------------------------------------- |
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|
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/** |
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* The key of the flag which is turned on by `stopImmediatePropagation` method. |
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* |
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* @type {symbol|string} |
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* @private |
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*/ |
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var STOP_IMMEDIATE_PROPAGATION_FLAG = |
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createUniqueKey("stop_immediate_propagation_flag"); |
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|
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/** |
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* The key of the flag which is turned on by `preventDefault` method. |
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* |
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* @type {symbol|string} |
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* @private |
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*/ |
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var CANCELED_FLAG = createUniqueKey("canceled_flag"); |
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|
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/** |
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* The key of the original event object. |
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* |
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* @type {symbol|string} |
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* @private |
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*/ |
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var ORIGINAL_EVENT = createUniqueKey("original_event"); |
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|
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/** |
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* Method definitions for the event wrapper. |
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* |
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* @type {object} |
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* @private |
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*/ |
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var wrapperPrototypeDefinition = Object.freeze({ |
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stopPropagation: Object.freeze({ |
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value: function stopPropagation() { |
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var e = this[ORIGINAL_EVENT]; |
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if (typeof e.stopPropagation === "function") { |
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e.stopPropagation(); |
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} |
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}, |
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writable: true, |
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configurable: true |
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}), |
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stopImmediatePropagation: Object.freeze({ |
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value: function stopImmediatePropagation() { |
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this[STOP_IMMEDIATE_PROPAGATION_FLAG] = true; |
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|
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var e = this[ORIGINAL_EVENT]; |
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if (typeof e.stopImmediatePropagation === "function") { |
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e.stopImmediatePropagation(); |
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} |
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}, |
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writable: true, |
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configurable: true |
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}), |
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preventDefault: Object.freeze({ |
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value: function preventDefault() { |
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if (this.cancelable === true) { |
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this[CANCELED_FLAG] = true; |
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} |
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var e = this[ORIGINAL_EVENT]; |
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if (typeof e.preventDefault === "function") { |
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e.preventDefault(); |
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} |
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}, |
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writable: true, |
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configurable: true |
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}), |
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defaultPrevented: Object.freeze({ |
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get: function defaultPrevented() { return this[CANCELED_FLAG]; }, |
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enumerable: true, |
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configurable: true |
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}) |
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}); |
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//----------------------------------------------------------------------------- |
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// Public Interface |
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//----------------------------------------------------------------------------- |
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|
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exports.STOP_IMMEDIATE_PROPAGATION_FLAG = STOP_IMMEDIATE_PROPAGATION_FLAG; |
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|
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/** |
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* Creates an event wrapper. |
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* |
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* We cannot modify several properties of `Event` object, so we need to create the wrapper. |
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* Plus, this wrapper supports non `Event` objects. |
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* |
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* @param {Event|{type: string}} event - An original event to create the wrapper. |
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* @param {EventTarget} eventTarget - The event target of the event. |
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* @returns {Event} The created wrapper. This object is implemented `Event` interface. |
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* @private |
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*/ |
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exports.createEventWrapper = function createEventWrapper(event, eventTarget) { |
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var timeStamp = ( |
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typeof event.timeStamp === "number" ? event.timeStamp : Date.now() |
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); |
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var propertyDefinition = { |
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type: {value: event.type, enumerable: true}, |
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target: {value: eventTarget, enumerable: true}, |
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currentTarget: {value: eventTarget, enumerable: true}, |
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eventPhase: {value: 2, enumerable: true}, |
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bubbles: {value: Boolean(event.bubbles), enumerable: true}, |
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cancelable: {value: Boolean(event.cancelable), enumerable: true}, |
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timeStamp: {value: timeStamp, enumerable: true}, |
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isTrusted: {value: false, enumerable: true} |
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}; |
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propertyDefinition[STOP_IMMEDIATE_PROPAGATION_FLAG] = {value: false, writable: true}; |
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propertyDefinition[CANCELED_FLAG] = {value: false, writable: true}; |
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propertyDefinition[ORIGINAL_EVENT] = {value: event}; |
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|
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// For CustomEvent. |
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if (typeof event.detail !== "undefined") { |
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propertyDefinition.detail = {value: event.detail, enumerable: true}; |
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} |
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|
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return Object.create( |
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Object.create(event, wrapperPrototypeDefinition), |
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propertyDefinition |
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); |
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}; |
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|
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},{"./commons":1}]},{},[3])(3) |
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}); |