@mdbootstrap/bootstrap-dark-mode
Version:
Responsive Dark Mode theme built with Bootstrap 5 with Dark Mode toggle button that switches between dark and light themes.
343 lines (267 loc) • 9.61 kB
JavaScript
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.3): collapse.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import {
defineJQueryPlugin,
getElement,
getSelectorFromElement,
getElementFromSelector,
reflow,
typeCheckConfig,
} from './util/index';
import Data from './dom/data';
import EventHandler from './dom/event-handler';
import Manipulator from './dom/manipulator';
import SelectorEngine from './dom/selector-engine';
import BaseComponent from './base-component';
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'collapse';
const DATA_KEY = 'bs.collapse';
const EVENT_KEY = `.${DATA_KEY}`;
const DATA_API_KEY = '.data-api';
const Default = {
toggle: true,
parent: null,
};
const DefaultType = {
toggle: 'boolean',
parent: '(null|element)',
};
const EVENT_SHOW = `show${EVENT_KEY}`;
const EVENT_SHOWN = `shown${EVENT_KEY}`;
const EVENT_HIDE = `hide${EVENT_KEY}`;
const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
const CLASS_NAME_SHOW = 'show';
const CLASS_NAME_COLLAPSE = 'collapse';
const CLASS_NAME_COLLAPSING = 'collapsing';
const CLASS_NAME_COLLAPSED = 'collapsed';
const CLASS_NAME_DEEPER_CHILDREN = `:scope .${CLASS_NAME_COLLAPSE} .${CLASS_NAME_COLLAPSE}`;
const CLASS_NAME_HORIZONTAL = 'collapse-horizontal';
const WIDTH = 'width';
const HEIGHT = 'height';
const SELECTOR_ACTIVES = '.collapse.show, .collapse.collapsing';
const SELECTOR_DATA_TOGGLE = '[data-mdb-toggle="collapse"]';
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Collapse extends BaseComponent {
constructor(element, config) {
super(element);
this._isTransitioning = false;
this._config = this._getConfig(config);
this._triggerArray = [];
const toggleList = SelectorEngine.find(SELECTOR_DATA_TOGGLE);
for (let i = 0, len = toggleList.length; i < len; i++) {
const elem = toggleList[i];
const selector = getSelectorFromElement(elem);
const filterElement = SelectorEngine.find(selector).filter(
(foundElem) => foundElem === this._element
);
if (selector !== null && filterElement.length) {
this._selector = selector;
this._triggerArray.push(elem);
}
}
this._initializeChildren();
if (!this._config.parent) {
this._addAriaAndCollapsedClass(this._triggerArray, this._isShown());
}
if (this._config.toggle) {
this.toggle();
}
}
// Getters
static get Default() {
return Default;
}
static get NAME() {
return NAME;
}
// Public
toggle() {
if (this._isShown()) {
this.hide();
} else {
this.show();
}
}
show() {
if (this._isTransitioning || this._isShown()) {
return;
}
let actives = [];
let activesData;
if (this._config.parent) {
const children = SelectorEngine.find(CLASS_NAME_DEEPER_CHILDREN, this._config.parent);
actives = SelectorEngine.find(SELECTOR_ACTIVES, this._config.parent).filter(
(elem) => !children.includes(elem)
); // remove children if greater depth
}
const container = SelectorEngine.findOne(this._selector);
if (actives.length) {
const tempActiveData = actives.find((elem) => container !== elem);
activesData = tempActiveData ? Collapse.getInstance(tempActiveData) : null;
if (activesData && activesData._isTransitioning) {
return;
}
}
const startEvent = EventHandler.trigger(this._element, EVENT_SHOW);
if (startEvent.defaultPrevented) {
return;
}
actives.forEach((elemActive) => {
if (container !== elemActive) {
Collapse.getOrCreateInstance(elemActive, { toggle: false }).hide();
}
if (!activesData) {
Data.set(elemActive, DATA_KEY, null);
}
});
const dimension = this._getDimension();
this._element.classList.remove(CLASS_NAME_COLLAPSE);
this._element.classList.add(CLASS_NAME_COLLAPSING);
this._element.style[dimension] = 0;
this._addAriaAndCollapsedClass(this._triggerArray, true);
this._isTransitioning = true;
const complete = () => {
this._isTransitioning = false;
this._element.classList.remove(CLASS_NAME_COLLAPSING);
this._element.classList.add(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW);
this._element.style[dimension] = '';
EventHandler.trigger(this._element, EVENT_SHOWN);
};
const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
const scrollSize = `scroll${capitalizedDimension}`;
this._queueCallback(complete, this._element, true);
this._element.style[dimension] = `${this._element[scrollSize]}px`;
}
hide() {
if (this._isTransitioning || !this._isShown()) {
return;
}
const startEvent = EventHandler.trigger(this._element, EVENT_HIDE);
if (startEvent.defaultPrevented) {
return;
}
const dimension = this._getDimension();
this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`;
reflow(this._element);
this._element.classList.add(CLASS_NAME_COLLAPSING);
this._element.classList.remove(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW);
const triggerArrayLength = this._triggerArray.length;
for (let i = 0; i < triggerArrayLength; i++) {
const trigger = this._triggerArray[i];
const elem = getElementFromSelector(trigger);
if (elem && !this._isShown(elem)) {
this._addAriaAndCollapsedClass([trigger], false);
}
}
this._isTransitioning = true;
const complete = () => {
this._isTransitioning = false;
this._element.classList.remove(CLASS_NAME_COLLAPSING);
this._element.classList.add(CLASS_NAME_COLLAPSE);
EventHandler.trigger(this._element, EVENT_HIDDEN);
};
this._element.style[dimension] = '';
this._queueCallback(complete, this._element, true);
}
_isShown(element = this._element) {
return element.classList.contains(CLASS_NAME_SHOW);
}
// Private
_getConfig(config) {
config = {
...Default,
...Manipulator.getDataAttributes(this._element),
...config,
};
config.toggle = Boolean(config.toggle); // Coerce string values
config.parent = getElement(config.parent);
typeCheckConfig(NAME, config, DefaultType);
return config;
}
_getDimension() {
return this._element.classList.contains(CLASS_NAME_HORIZONTAL) ? WIDTH : HEIGHT;
}
_initializeChildren() {
if (!this._config.parent) {
return;
}
const children = SelectorEngine.find(CLASS_NAME_DEEPER_CHILDREN, this._config.parent);
SelectorEngine.find(SELECTOR_DATA_TOGGLE, this._config.parent)
.filter((elem) => !children.includes(elem))
.forEach((element) => {
const selected = getElementFromSelector(element);
if (selected) {
this._addAriaAndCollapsedClass([element], this._isShown(selected));
}
});
}
_addAriaAndCollapsedClass(triggerArray, isOpen) {
if (!triggerArray.length) {
return;
}
triggerArray.forEach((elem) => {
if (isOpen) {
elem.classList.remove(CLASS_NAME_COLLAPSED);
} else {
elem.classList.add(CLASS_NAME_COLLAPSED);
}
elem.setAttribute('aria-expanded', isOpen);
});
}
// Static
static jQueryInterface(config) {
return this.each(function () {
const _config = {};
if (typeof config === 'string' && /show|hide/.test(config)) {
_config.toggle = false;
}
const data = Collapse.getOrCreateInstance(this, _config);
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`);
}
data[config]();
}
});
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
// preventDefault only for <a> elements (which change the URL) not inside the collapsible element
if (
event.target.tagName === 'A' ||
(event.delegateTarget && event.delegateTarget.tagName === 'A')
) {
event.preventDefault();
}
const selector = getSelectorFromElement(this);
const selectorElements = SelectorEngine.find(selector);
selectorElements.forEach((element) => {
Collapse.getOrCreateInstance(element, { toggle: false }).toggle();
});
});
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .Collapse to jQuery only if jQuery is present
*/
defineJQueryPlugin(Collapse);
export default Collapse;