diff options
Diffstat (limited to 'vendor/twbs/bootstrap/js/dist/util/swipe.js')
-rw-r--r-- | vendor/twbs/bootstrap/js/dist/util/swipe.js | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/vendor/twbs/bootstrap/js/dist/util/swipe.js b/vendor/twbs/bootstrap/js/dist/util/swipe.js new file mode 100644 index 000000000..b155eb194 --- /dev/null +++ b/vendor/twbs/bootstrap/js/dist/util/swipe.js @@ -0,0 +1,156 @@ +/*! + * Bootstrap swipe.js v5.2.0 (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 (v5.2.0): 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 |