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MessagesMap/konvaperform/js/vendor/what-input.js

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+/**
+ * what-input - A global utility for tracking the current input method (mouse, keyboard or touch).
+ * @version v5.2.3
+ * @link https://github.com/ten1seven/what-input
+ * @license MIT
+ */
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("whatInput", [], factory);
+	else if(typeof exports === 'object')
+		exports["whatInput"] = factory();
+	else
+		root["whatInput"] = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId])
+/******/ 			return installedModules[moduleId].exports;
+
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			exports: {},
+/******/ 			id: moduleId,
+/******/ 			loaded: false
+/******/ 		};
+
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+
+/******/ 		// Flag the module as loaded
+/******/ 		module.loaded = true;
+
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+
+
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports) {
+
+	'use strict';
+
+	module.exports = function () {
+	  /*
+	   * bail out if there is no document or window
+	   * (i.e. in a node/non-DOM environment)
+	   *
+	   * Return a stubbed API instead
+	   */
+	  if (typeof document === 'undefined' || typeof window === 'undefined') {
+	    return {
+	      // always return "initial" because no interaction will ever be detected
+	      ask: function ask() {
+	        return 'initial';
+	      },
+
+	      // always return null
+	      element: function element() {
+	        return null;
+	      },
+
+	      // no-op
+	      ignoreKeys: function ignoreKeys() {},
+
+	      // no-op
+	      specificKeys: function specificKeys() {},
+
+	      // no-op
+	      registerOnChange: function registerOnChange() {},
+
+	      // no-op
+	      unRegisterOnChange: function unRegisterOnChange() {}
+	    };
+	  }
+
+	  /*
+	   * variables
+	   */
+
+	  // cache document.documentElement
+	  var docElem = document.documentElement;
+
+	  // currently focused dom element
+	  var currentElement = null;
+
+	  // last used input type
+	  var currentInput = 'initial';
+
+	  // last used input intent
+	  var currentIntent = currentInput;
+
+	  // UNIX timestamp of current event
+	  var currentTimestamp = Date.now();
+
+	  // check for sessionStorage support
+	  // then check for session variables and use if available
+	  try {
+	    if (window.sessionStorage.getItem('what-input')) {
+	      currentInput = window.sessionStorage.getItem('what-input');
+	    }
+
+	    if (window.sessionStorage.getItem('what-intent')) {
+	      currentIntent = window.sessionStorage.getItem('what-intent');
+	    }
+	  } catch (e) {}
+
+	  // form input types
+	  var formInputs = ['button', 'input', 'select', 'textarea'];
+
+	  // empty array for holding callback functions
+	  var functionList = [];
+
+	  // list of modifier keys commonly used with the mouse and
+	  // can be safely ignored to prevent false keyboard detection
+	  var ignoreMap = [16, // shift
+	  17, // control
+	  18, // alt
+	  91, // Windows key / left Apple cmd
+	  93 // Windows menu / right Apple cmd
+	  ];
+
+	  var specificMap = [];
+
+	  // mapping of events to input types
+	  var inputMap = {
+	    keydown: 'keyboard',
+	    keyup: 'keyboard',
+	    mousedown: 'mouse',
+	    mousemove: 'mouse',
+	    MSPointerDown: 'pointer',
+	    MSPointerMove: 'pointer',
+	    pointerdown: 'pointer',
+	    pointermove: 'pointer',
+	    touchstart: 'touch',
+	    touchend: 'touch'
+
+	    // boolean: true if the page is being scrolled
+	  };var isScrolling = false;
+
+	  // store current mouse position
+	  var mousePos = {
+	    x: null,
+	    y: null
+
+	    // map of IE 10 pointer events
+	  };var pointerMap = {
+	    2: 'touch',
+	    3: 'touch', // treat pen like touch
+	    4: 'mouse'
+
+	    // check support for passive event listeners
+	  };var supportsPassive = false;
+
+	  try {
+	    var opts = Object.defineProperty({}, 'passive', {
+	      get: function get() {
+	        supportsPassive = true;
+	      }
+	    });
+
+	    window.addEventListener('test', null, opts);
+	  } catch (e) {}
+
+	  /*
+	   * set up
+	   */
+
+	  var setUp = function setUp() {
+	    // add correct mouse wheel event mapping to `inputMap`
+	    inputMap[detectWheel()] = 'mouse';
+
+	    addListeners();
+	    doUpdate('input');
+	    doUpdate('intent');
+	  };
+
+	  /*
+	   * events
+	   */
+
+	  var addListeners = function addListeners() {
+	    // `pointermove`, `MSPointerMove`, `mousemove` and mouse wheel event binding
+	    // can only demonstrate potential, but not actual, interaction
+	    // and are treated separately
+	    var options = supportsPassive ? { passive: true } : false;
+
+	    // pointer events (mouse, pen, touch)
+	    if (window.PointerEvent) {
+	      window.addEventListener('pointerdown', setInput);
+	      window.addEventListener('pointermove', setIntent);
+	    } else if (window.MSPointerEvent) {
+	      window.addEventListener('MSPointerDown', setInput);
+	      window.addEventListener('MSPointerMove', setIntent);
+	    } else {
+	      // mouse events
+	      window.addEventListener('mousedown', setInput);
+	      window.addEventListener('mousemove', setIntent);
+
+	      // touch events
+	      if ('ontouchstart' in window) {
+	        window.addEventListener('touchstart', setInput, options);
+	        window.addEventListener('touchend', setInput);
+	      }
+	    }
+
+	    // mouse wheel
+	    window.addEventListener(detectWheel(), setIntent, options);
+
+	    // keyboard events
+	    window.addEventListener('keydown', setInput);
+	    window.addEventListener('keyup', setInput);
+
+	    // focus events
+	    window.addEventListener('focusin', setElement);
+	    window.addEventListener('focusout', clearElement);
+	  };
+
+	  // checks conditions before updating new input
+	  var setInput = function setInput(event) {
+	    var eventKey = event.which;
+	    var value = inputMap[event.type];
+
+	    if (value === 'pointer') {
+	      value = pointerType(event);
+	    }
+
+	    var ignoreMatch = !specificMap.length && ignoreMap.indexOf(eventKey) === -1;
+
+	    var specificMatch = specificMap.length && specificMap.indexOf(eventKey) !== -1;
+
+	    var shouldUpdate = value === 'keyboard' && eventKey && (ignoreMatch || specificMatch) || value === 'mouse' || value === 'touch';
+
+	    // prevent touch detection from being overridden by event execution order
+	    if (validateTouch(value)) {
+	      shouldUpdate = false;
+	    }
+
+	    if (shouldUpdate && currentInput !== value) {
+	      currentInput = value;
+
+	      try {
+	        window.sessionStorage.setItem('what-input', currentInput);
+	      } catch (e) {}
+
+	      doUpdate('input');
+	    }
+
+	    if (shouldUpdate && currentIntent !== value) {
+	      // preserve intent for keyboard interaction with form fields
+	      var activeElem = document.activeElement;
+	      var notFormInput = activeElem && activeElem.nodeName && (formInputs.indexOf(activeElem.nodeName.toLowerCase()) === -1 || activeElem.nodeName.toLowerCase() === 'button' && !checkClosest(activeElem, 'form'));
+
+	      if (notFormInput) {
+	        currentIntent = value;
+
+	        try {
+	          window.sessionStorage.setItem('what-intent', currentIntent);
+	        } catch (e) {}
+
+	        doUpdate('intent');
+	      }
+	    }
+	  };
+
+	  // updates the doc and `inputTypes` array with new input
+	  var doUpdate = function doUpdate(which) {
+	    docElem.setAttribute('data-what' + which, which === 'input' ? currentInput : currentIntent);
+
+	    fireFunctions(which);
+	  };
+
+	  // updates input intent for `mousemove` and `pointermove`
+	  var setIntent = function setIntent(event) {
+	    var value = inputMap[event.type];
+
+	    if (value === 'pointer') {
+	      value = pointerType(event);
+	    }
+
+	    // test to see if `mousemove` happened relative to the screen to detect scrolling versus mousemove
+	    detectScrolling(event);
+
+	    // only execute if scrolling isn't happening
+	    if ((!isScrolling && !validateTouch(value) || isScrolling && event.type === 'wheel' || event.type === 'mousewheel' || event.type === 'DOMMouseScroll') && currentIntent !== value) {
+	      currentIntent = value;
+
+	      try {
+	        window.sessionStorage.setItem('what-intent', currentIntent);
+	      } catch (e) {}
+
+	      doUpdate('intent');
+	    }
+	  };
+
+	  var setElement = function setElement(event) {
+	    if (!event.target.nodeName) {
+	      // If nodeName is undefined, clear the element
+	      // This can happen if click inside an <svg> element.
+	      clearElement();
+	      return;
+	    }
+
+	    currentElement = event.target.nodeName.toLowerCase();
+	    docElem.setAttribute('data-whatelement', currentElement);
+
+	    if (event.target.classList && event.target.classList.length) {
+	      docElem.setAttribute('data-whatclasses', event.target.classList.toString().replace(' ', ','));
+	    }
+	  };
+
+	  var clearElement = function clearElement() {
+	    currentElement = null;
+
+	    docElem.removeAttribute('data-whatelement');
+	    docElem.removeAttribute('data-whatclasses');
+	  };
+
+	  /*
+	   * utilities
+	   */
+
+	  var pointerType = function pointerType(event) {
+	    if (typeof event.pointerType === 'number') {
+	      return pointerMap[event.pointerType];
+	    } else {
+	      // treat pen like touch
+	      return event.pointerType === 'pen' ? 'touch' : event.pointerType;
+	    }
+	  };
+
+	  // prevent touch detection from being overridden by event execution order
+	  var validateTouch = function validateTouch(value) {
+	    var timestamp = Date.now();
+
+	    var touchIsValid = value === 'mouse' && currentInput === 'touch' && timestamp - currentTimestamp < 200;
+
+	    currentTimestamp = timestamp;
+
+	    return touchIsValid;
+	  };
+
+	  // detect version of mouse wheel event to use
+	  // via https://developer.mozilla.org/en-US/docs/Web/API/Element/wheel_event
+	  var detectWheel = function detectWheel() {
+	    var wheelType = null;
+
+	    // Modern browsers support "wheel"
+	    if ('onwheel' in document.createElement('div')) {
+	      wheelType = 'wheel';
+	    } else {
+	      // Webkit and IE support at least "mousewheel"
+	      // or assume that remaining browsers are older Firefox
+	      wheelType = document.onmousewheel !== undefined ? 'mousewheel' : 'DOMMouseScroll';
+	    }
+
+	    return wheelType;
+	  };
+
+	  // runs callback functions
+	  var fireFunctions = function fireFunctions(type) {
+	    for (var i = 0, len = functionList.length; i < len; i++) {
+	      if (functionList[i].type === type) {
+	        functionList[i].fn.call(undefined, type === 'input' ? currentInput : currentIntent);
+	      }
+	    }
+	  };
+
+	  // finds matching element in an object
+	  var objPos = function objPos(match) {
+	    for (var i = 0, len = functionList.length; i < len; i++) {
+	      if (functionList[i].fn === match) {
+	        return i;
+	      }
+	    }
+	  };
+
+	  var detectScrolling = function detectScrolling(event) {
+	    if (mousePos['x'] !== event.screenX || mousePos['y'] !== event.screenY) {
+	      isScrolling = false;
+
+	      mousePos['x'] = event.screenX;
+	      mousePos['y'] = event.screenY;
+	    } else {
+	      isScrolling = true;
+	    }
+	  };
+
+	  // manual version of `closest()`
+	  var checkClosest = function checkClosest(elem, tag) {
+	    var ElementPrototype = window.Element.prototype;
+
+	    if (!ElementPrototype.matches) {
+	      ElementPrototype.matches = ElementPrototype.msMatchesSelector || ElementPrototype.webkitMatchesSelector;
+	    }
+
+	    if (!ElementPrototype.closest) {
+	      do {
+	        if (elem.matches(tag)) {
+	          return elem;
+	        }
+
+	        elem = elem.parentElement || elem.parentNode;
+	      } while (elem !== null && elem.nodeType === 1);
+
+	      return null;
+	    } else {
+	      return elem.closest(tag);
+	    }
+	  };
+
+	  /*
+	   * init
+	   */
+
+	  // don't start script unless browser cuts the mustard
+	  // (also passes if polyfills are used)
+	  if ('addEventListener' in window && Array.prototype.indexOf) {
+	    setUp();
+	  }
+
+	  /*
+	   * api
+	   */
+
+	  return {
+	    // returns string: the current input type
+	    // opt: 'intent'|'input'
+	    // 'input' (default): returns the same value as the `data-whatinput` attribute
+	    // 'intent': includes `data-whatintent` value if it's different than `data-whatinput`
+	    ask: function ask(opt) {
+	      return opt === 'intent' ? currentIntent : currentInput;
+	    },
+
+	    // returns string: the currently focused element or null
+	    element: function element() {
+	      return currentElement;
+	    },
+
+	    // overwrites ignored keys with provided array
+	    ignoreKeys: function ignoreKeys(arr) {
+	      ignoreMap = arr;
+	    },
+
+	    // overwrites specific char keys to update on
+	    specificKeys: function specificKeys(arr) {
+	      specificMap = arr;
+	    },
+
+	    // attach functions to input and intent "events"
+	    // funct: function to fire on change
+	    // eventType: 'input'|'intent'
+	    registerOnChange: function registerOnChange(fn, eventType) {
+	      functionList.push({
+	        fn: fn,
+	        type: eventType || 'input'
+	      });
+	    },
+
+	    unRegisterOnChange: function unRegisterOnChange(fn) {
+	      var position = objPos(fn);
+
+	      if (position || position === 0) {
+	        functionList.splice(position, 1);
+	      }
+	    }
+	  };
+	}();
+
+/***/ })
+/******/ ])
+});
+;