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Diffstat (limited to 'js/src/dom/selector-engine.js')
-rw-r--r-- | js/src/dom/selector-engine.js | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/js/src/dom/selector-engine.js b/js/src/dom/selector-engine.js new file mode 100644 index 0000000..1ba104f --- /dev/null +++ b/js/src/dom/selector-engine.js @@ -0,0 +1,83 @@ +/** + * -------------------------------------------------------------------------- + * Bootstrap (v5.2.3): dom/selector-engine.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) + * -------------------------------------------------------------------------- + */ + +import { isDisabled, isVisible } from '../util/index' + +/** + * Constants + */ + +const SelectorEngine = { + find(selector, element = document.documentElement) { + return [].concat(...Element.prototype.querySelectorAll.call(element, selector)) + }, + + findOne(selector, element = document.documentElement) { + return Element.prototype.querySelector.call(element, selector) + }, + + children(element, selector) { + return [].concat(...element.children).filter(child => child.matches(selector)) + }, + + parents(element, selector) { + const parents = [] + let ancestor = element.parentNode.closest(selector) + + while (ancestor) { + parents.push(ancestor) + ancestor = ancestor.parentNode.closest(selector) + } + + return parents + }, + + prev(element, selector) { + let previous = element.previousElementSibling + + while (previous) { + if (previous.matches(selector)) { + return [previous] + } + + previous = previous.previousElementSibling + } + + return [] + }, + // TODO: this is now unused; remove later along with prev() + next(element, selector) { + let next = element.nextElementSibling + + while (next) { + if (next.matches(selector)) { + return [next] + } + + next = next.nextElementSibling + } + + return [] + }, + + focusableChildren(element) { + const focusables = [ + 'a', + 'button', + 'input', + 'textarea', + 'select', + 'details', + '[tabindex]', + '[contenteditable="true"]' + ].map(selector => `${selector}:not([tabindex^="-"])`).join(',') + + return this.find(focusables, element).filter(el => !isDisabled(el) && isVisible(el)) + } +} + +export default SelectorEngine |