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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
/*!
* Bootstrap tab.js v5.3.0-alpha1 (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('./util/index.js'), require('./dom/event-handler.js'), require('./dom/selector-engine.js'), require('./base-component.js')) :
typeof define === 'function' && define.amd ? define(['./util/index', './dom/event-handler', './dom/selector-engine', './base-component'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tab = factory(global.Index, global.EventHandler, global.SelectorEngine, global.BaseComponent));
})(this, (function (index_js, EventHandler, SelectorEngine, BaseComponent) { 'use strict';
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.3.0-alpha1): tab.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
/**
* Constants
*/
const NAME = 'tab';
const DATA_KEY = 'bs.tab';
const EVENT_KEY = `.${DATA_KEY}`;
const EVENT_HIDE = `hide${EVENT_KEY}`;
const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
const EVENT_SHOW = `show${EVENT_KEY}`;
const EVENT_SHOWN = `shown${EVENT_KEY}`;
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}`;
const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
const EVENT_LOAD_DATA_API = `load${EVENT_KEY}`;
const ARROW_LEFT_KEY = 'ArrowLeft';
const ARROW_RIGHT_KEY = 'ArrowRight';
const ARROW_UP_KEY = 'ArrowUp';
const ARROW_DOWN_KEY = 'ArrowDown';
const CLASS_NAME_ACTIVE = 'active';
const CLASS_NAME_FADE = 'fade';
const CLASS_NAME_SHOW = 'show';
const CLASS_DROPDOWN = 'dropdown';
const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
const SELECTOR_DROPDOWN_MENU = '.dropdown-menu';
const NOT_SELECTOR_DROPDOWN_TOGGLE = ':not(.dropdown-toggle)';
const SELECTOR_TAB_PANEL = '.list-group, .nav, [role="tablist"]';
const SELECTOR_OUTER = '.nav-item, .list-group-item';
const SELECTOR_INNER = `.nav-link${NOT_SELECTOR_DROPDOWN_TOGGLE}, .list-group-item${NOT_SELECTOR_DROPDOWN_TOGGLE}, [role="tab"]${NOT_SELECTOR_DROPDOWN_TOGGLE}`;
const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="tab"], [data-bs-toggle="pill"], [data-bs-toggle="list"]'; // todo:v6: could be only `tab`
const SELECTOR_INNER_ELEM = `${SELECTOR_INNER}, ${SELECTOR_DATA_TOGGLE}`;
const SELECTOR_DATA_TOGGLE_ACTIVE = `.${CLASS_NAME_ACTIVE}[data-bs-toggle="tab"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="pill"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="list"]`;
/**
* Class definition
*/
class Tab extends BaseComponent {
constructor(element) {
super(element);
this._parent = this._element.closest(SELECTOR_TAB_PANEL);
if (!this._parent) {
return;
// todo: should Throw exception on v6
// throw new TypeError(`${element.outerHTML} has not a valid parent ${SELECTOR_INNER_ELEM}`)
}
// Set up initial aria attributes
this._setInitialAttributes(this._parent, this._getChildren());
EventHandler.on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
}
// Getters
static get NAME() {
return NAME;
}
// Public
show() {
// Shows this elem and deactivate the active sibling if exists
const innerElem = this._element;
if (this._elemIsActive(innerElem)) {
return;
}
// Search for active tab on same parent to deactivate it
const active = this._getActiveElem();
const hideEvent = active ? EventHandler.trigger(active, EVENT_HIDE, {
relatedTarget: innerElem
}) : null;
const showEvent = EventHandler.trigger(innerElem, EVENT_SHOW, {
relatedTarget: active
});
if (showEvent.defaultPrevented || hideEvent && hideEvent.defaultPrevented) {
return;
}
this._deactivate(active, innerElem);
this._activate(innerElem, active);
}
// Private
_activate(element, relatedElem) {
if (!element) {
return;
}
element.classList.add(CLASS_NAME_ACTIVE);
this._activate(SelectorEngine.getElementFromSelector(element)); // Search and activate/show the proper section
const complete = () => {
if (element.getAttribute('role') !== 'tab') {
element.classList.add(CLASS_NAME_SHOW);
return;
}
element.removeAttribute('tabindex');
element.setAttribute('aria-selected', true);
this._toggleDropDown(element, true);
EventHandler.trigger(element, EVENT_SHOWN, {
relatedTarget: relatedElem
});
};
this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
}
_deactivate(element, relatedElem) {
if (!element) {
return;
}
element.classList.remove(CLASS_NAME_ACTIVE);
element.blur();
this._deactivate(SelectorEngine.getElementFromSelector(element)); // Search and deactivate the shown section too
const complete = () => {
if (element.getAttribute('role') !== 'tab') {
element.classList.remove(CLASS_NAME_SHOW);
return;
}
element.setAttribute('aria-selected', false);
element.setAttribute('tabindex', '-1');
this._toggleDropDown(element, false);
EventHandler.trigger(element, EVENT_HIDDEN, {
relatedTarget: relatedElem
});
};
this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
}
_keydown(event) {
if (![ARROW_LEFT_KEY, ARROW_RIGHT_KEY, ARROW_UP_KEY, ARROW_DOWN_KEY].includes(event.key)) {
return;
}
event.stopPropagation(); // stopPropagation/preventDefault both added to support up/down keys without scrolling the page
event.preventDefault();
const isNext = [ARROW_RIGHT_KEY, ARROW_DOWN_KEY].includes(event.key);
const nextActiveElement = index_js.getNextActiveElement(this._getChildren().filter(element => !index_js.isDisabled(element)), event.target, isNext, true);
if (nextActiveElement) {
nextActiveElement.focus({
preventScroll: true
});
Tab.getOrCreateInstance(nextActiveElement).show();
}
}
_getChildren() {
// collection of inner elements
return SelectorEngine.find(SELECTOR_INNER_ELEM, this._parent);
}
_getActiveElem() {
return this._getChildren().find(child => this._elemIsActive(child)) || null;
}
_setInitialAttributes(parent, children) {
this._setAttributeIfNotExists(parent, 'role', 'tablist');
for (const child of children) {
this._setInitialAttributesOnChild(child);
}
}
_setInitialAttributesOnChild(child) {
child = this._getInnerElement(child);
const isActive = this._elemIsActive(child);
const outerElem = this._getOuterElement(child);
child.setAttribute('aria-selected', isActive);
if (outerElem !== child) {
this._setAttributeIfNotExists(outerElem, 'role', 'presentation');
}
if (!isActive) {
child.setAttribute('tabindex', '-1');
}
this._setAttributeIfNotExists(child, 'role', 'tab');
// set attributes to the related panel too
this._setInitialAttributesOnTargetPanel(child);
}
_setInitialAttributesOnTargetPanel(child) {
const target = SelectorEngine.getElementFromSelector(child);
if (!target) {
return;
}
this._setAttributeIfNotExists(target, 'role', 'tabpanel');
if (child.id) {
this._setAttributeIfNotExists(target, 'aria-labelledby', `#${child.id}`);
}
}
_toggleDropDown(element, open) {
const outerElem = this._getOuterElement(element);
if (!outerElem.classList.contains(CLASS_DROPDOWN)) {
return;
}
const toggle = (selector, className) => {
const element = SelectorEngine.findOne(selector, outerElem);
if (element) {
element.classList.toggle(className, open);
}
};
toggle(SELECTOR_DROPDOWN_TOGGLE, CLASS_NAME_ACTIVE);
toggle(SELECTOR_DROPDOWN_MENU, CLASS_NAME_SHOW);
outerElem.setAttribute('aria-expanded', open);
}
_setAttributeIfNotExists(element, attribute, value) {
if (!element.hasAttribute(attribute)) {
element.setAttribute(attribute, value);
}
}
_elemIsActive(elem) {
return elem.classList.contains(CLASS_NAME_ACTIVE);
}
// Try to get the inner element (usually the .nav-link)
_getInnerElement(elem) {
return elem.matches(SELECTOR_INNER_ELEM) ? elem : SelectorEngine.findOne(SELECTOR_INNER_ELEM, elem);
}
// Try to get the outer element (usually the .nav-item)
_getOuterElement(elem) {
return elem.closest(SELECTOR_OUTER) || elem;
}
// Static
static jQueryInterface(config) {
return this.each(function () {
const data = Tab.getOrCreateInstance(this);
if (typeof config !== 'string') {
return;
}
if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
throw new TypeError(`No method named "${config}"`);
}
data[config]();
});
}
}
/**
* Data API implementation
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
if (['A', 'AREA'].includes(this.tagName)) {
event.preventDefault();
}
if (index_js.isDisabled(this)) {
return;
}
Tab.getOrCreateInstance(this).show();
});
/**
* Initialize on focus
*/
EventHandler.on(window, EVENT_LOAD_DATA_API, () => {
for (const element of SelectorEngine.find(SELECTOR_DATA_TOGGLE_ACTIVE)) {
Tab.getOrCreateInstance(element);
}
});
/**
* jQuery
*/
index_js.defineJQueryPlugin(Tab);
return Tab;
}));
//# sourceMappingURL=tab.js.map
|
