1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*!
* Bootstrap swipe.js v5.3.0 (https://getbootstrap.com/)
* Copyright 2011-2023 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('../dom/event-handler.js'), require('./config.js'), require('./index.js')) :
typeof define === 'function' && define.amd ? define(['../dom/event-handler', './config', './index'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Swipe = factory(global.EventHandler, global.Config, global.Index));
})(this, (function (EventHandler, Config, index_js) { 'use strict';
/**
* --------------------------------------------------------------------------
* Bootstrap 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 {
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.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_js.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_js.execute(direction > 0 ? this._config.rightCallback : this._config.leftCallback);
}
_initEvents() {
if (this._supportPointerEvents) {
EventHandler.on(this._element, EVENT_POINTERDOWN, event => this._start(event));
EventHandler.on(this._element, EVENT_POINTERUP, event => this._end(event));
this._element.classList.add(CLASS_NAME_POINTER_EVENT);
} else {
EventHandler.on(this._element, EVENT_TOUCHSTART, event => this._start(event));
EventHandler.on(this._element, EVENT_TOUCHMOVE, event => this._move(event));
EventHandler.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
|
