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