| /*! |
| * Bootstrap swipe.js v5.2.1 (https://getbootstrap.com/) |
| * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors) |
| * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) |
| */ |
| (function (global, factory) { |
| typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./config'), require('../dom/event-handler'), require('./index')) : |
| typeof define === 'function' && define.amd ? define(['./config', '../dom/event-handler', './index'], factory) : |
| (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Swipe = factory(global.Config, global.EventHandler, global.Index)); |
| })(this, (function (Config, EventHandler, index) { 'use strict'; |
| |
| const _interopDefaultLegacy = e => e && typeof e === 'object' && 'default' in e ? e : { default: e }; |
| |
| const Config__default = /*#__PURE__*/_interopDefaultLegacy(Config); |
| const EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler); |
| |
| /** |
| * -------------------------------------------------------------------------- |
| * Bootstrap (v5.2.1): util/swipe.js |
| * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) |
| * -------------------------------------------------------------------------- |
| */ |
| /** |
| * Constants |
| */ |
| |
| const NAME = 'swipe'; |
| const EVENT_KEY = '.bs.swipe'; |
| const EVENT_TOUCHSTART = `touchstart${EVENT_KEY}`; |
| const EVENT_TOUCHMOVE = `touchmove${EVENT_KEY}`; |
| const EVENT_TOUCHEND = `touchend${EVENT_KEY}`; |
| const EVENT_POINTERDOWN = `pointerdown${EVENT_KEY}`; |
| const EVENT_POINTERUP = `pointerup${EVENT_KEY}`; |
| const POINTER_TYPE_TOUCH = 'touch'; |
| const POINTER_TYPE_PEN = 'pen'; |
| const CLASS_NAME_POINTER_EVENT = 'pointer-event'; |
| const SWIPE_THRESHOLD = 40; |
| const Default = { |
| endCallback: null, |
| leftCallback: null, |
| rightCallback: null |
| }; |
| const DefaultType = { |
| endCallback: '(function|null)', |
| leftCallback: '(function|null)', |
| rightCallback: '(function|null)' |
| }; |
| /** |
| * Class definition |
| */ |
| |
| class Swipe extends Config__default.default { |
| constructor(element, config) { |
| super(); |
| this._element = element; |
| |
| if (!element || !Swipe.isSupported()) { |
| return; |
| } |
| |
| this._config = this._getConfig(config); |
| this._deltaX = 0; |
| this._supportPointerEvents = Boolean(window.PointerEvent); |
| |
| this._initEvents(); |
| } // Getters |
| |
| |
| static get Default() { |
| return Default; |
| } |
| |
| static get DefaultType() { |
| return DefaultType; |
| } |
| |
| static get NAME() { |
| return NAME; |
| } // Public |
| |
| |
| dispose() { |
| EventHandler__default.default.off(this._element, EVENT_KEY); |
| } // Private |
| |
| |
| _start(event) { |
| if (!this._supportPointerEvents) { |
| this._deltaX = event.touches[0].clientX; |
| return; |
| } |
| |
| if (this._eventIsPointerPenTouch(event)) { |
| this._deltaX = event.clientX; |
| } |
| } |
| |
| _end(event) { |
| if (this._eventIsPointerPenTouch(event)) { |
| this._deltaX = event.clientX - this._deltaX; |
| } |
| |
| this._handleSwipe(); |
| |
| index.execute(this._config.endCallback); |
| } |
| |
| _move(event) { |
| this._deltaX = event.touches && event.touches.length > 1 ? 0 : event.touches[0].clientX - this._deltaX; |
| } |
| |
| _handleSwipe() { |
| const absDeltaX = Math.abs(this._deltaX); |
| |
| if (absDeltaX <= SWIPE_THRESHOLD) { |
| return; |
| } |
| |
| const direction = absDeltaX / this._deltaX; |
| this._deltaX = 0; |
| |
| if (!direction) { |
| return; |
| } |
| |
| index.execute(direction > 0 ? this._config.rightCallback : this._config.leftCallback); |
| } |
| |
| _initEvents() { |
| if (this._supportPointerEvents) { |
| EventHandler__default.default.on(this._element, EVENT_POINTERDOWN, event => this._start(event)); |
| EventHandler__default.default.on(this._element, EVENT_POINTERUP, event => this._end(event)); |
| |
| this._element.classList.add(CLASS_NAME_POINTER_EVENT); |
| } else { |
| EventHandler__default.default.on(this._element, EVENT_TOUCHSTART, event => this._start(event)); |
| EventHandler__default.default.on(this._element, EVENT_TOUCHMOVE, event => this._move(event)); |
| EventHandler__default.default.on(this._element, EVENT_TOUCHEND, event => this._end(event)); |
| } |
| } |
| |
| _eventIsPointerPenTouch(event) { |
| return this._supportPointerEvents && (event.pointerType === POINTER_TYPE_PEN || event.pointerType === POINTER_TYPE_TOUCH); |
| } // Static |
| |
| |
| static isSupported() { |
| return 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0; |
| } |
| |
| } |
| |
| return Swipe; |
| |
| })); |
| //# sourceMappingURL=swipe.js.map |