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/**
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* --------------------------------------------------------------------------
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* Bootstrap dom/selector-engine.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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import { isDisabled, isVisible, parseSelector } from '../util/index'
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const getSelector = element => {
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let selector = element.getAttribute('data-bs-target')
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if (!selector || selector === '#') {
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let hrefAttribute = element.getAttribute('href')
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// The only valid content that could double as a selector are IDs or classes,
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// so everything starting with `#` or `.`. If a "real" URL is used as the selector,
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// `document.querySelector` will rightfully complain it is invalid.
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// See https://github.com/twbs/bootstrap/issues/32273
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if (!hrefAttribute || (!hrefAttribute.includes('#') && !hrefAttribute.startsWith('.'))) {
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return null
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}
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// Just in case some CMS puts out a full URL with the anchor appended
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if (hrefAttribute.includes('#') && !hrefAttribute.startsWith('#')) {
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hrefAttribute = `#${hrefAttribute.split('#')[1]}`
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}
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selector = hrefAttribute && hrefAttribute !== '#' ? hrefAttribute.trim() : null
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}
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return selector ? selector.split(',').map(sel => parseSelector(sel)).join(',') : null
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}
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const SelectorEngine = {
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find(selector, element = document.documentElement) {
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return [].concat(...Element.prototype.querySelectorAll.call(element, selector))
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},
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findOne(selector, element = document.documentElement) {
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return Element.prototype.querySelector.call(element, selector)
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},
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children(element, selector) {
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return [].concat(...element.children).filter(child => child.matches(selector))
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},
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parents(element, selector) {
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const parents = []
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let ancestor = element.parentNode.closest(selector)
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while (ancestor) {
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parents.push(ancestor)
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ancestor = ancestor.parentNode.closest(selector)
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}
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return parents
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},
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prev(element, selector) {
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let previous = element.previousElementSibling
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while (previous) {
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if (previous.matches(selector)) {
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return [previous]
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}
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previous = previous.previousElementSibling
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}
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return []
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},
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// TODO: this is now unused; remove later along with prev()
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next(element, selector) {
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let next = element.nextElementSibling
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while (next) {
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if (next.matches(selector)) {
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return [next]
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}
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next = next.nextElementSibling
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}
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return []
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},
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focusableChildren(element) {
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const focusables = [
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'a',
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'button',
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'input',
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'textarea',
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'select',
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'details',
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'[tabindex]',
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'[contenteditable="true"]'
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].map(selector => `${selector}:not([tabindex^="-"])`).join(',')
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return this.find(focusables, element).filter(el => !isDisabled(el) && isVisible(el))
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},
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getSelectorFromElement(element) {
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const selector = getSelector(element)
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if (selector) {
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return SelectorEngine.findOne(selector) ? selector : null
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}
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return null
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},
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getElementFromSelector(element) {
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const selector = getSelector(element)
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return selector ? SelectorEngine.findOne(selector) : null
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},
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getMultipleElementsFromSelector(element) {
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const selector = getSelector(element)
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return selector ? SelectorEngine.find(selector) : []
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}
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}
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export default SelectorEngine
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