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import Polyfill from './polyfill'
import Util from '../util'
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.1.3): dom/selectorEngine.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
const SelectorEngine = (() => {
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const closest = Polyfill.closest
const find = Polyfill.find
const findOne = Polyfill.findOne
return {
matches(element, selector) {
return element.matches(selector)
},
find(selector, element = document.documentElement) {
if (typeof selector !== 'string') {
return null
}
return find.call(element, selector)
},
findOne(selector, element = document.documentElement) {
if (typeof selector !== 'string') {
return null
}
return findOne.call(element, selector)
},
children(element, selector) {
if (typeof selector !== 'string') {
return null
}
const children = Util.makeArray(element.children)
return children.filter((child) => this.matches(child, selector))
},
parents(element, selector) {
if (typeof selector !== 'string') {
return null
}
const parents = []
let ancestor = element.parentNode
while (ancestor && ancestor.nodeType === Node.ELEMENT_NODE) {
if (ancestor.matches(selector)) {
parents.push(ancestor)
}
ancestor = ancestor.parentNode
}
return parents
},
closest(element, selector) {
if (typeof selector !== 'string') {
return null
}
return closest(element, selector)
},
prev(element, selector) {
if (typeof selector !== 'string') {
return null
}
const siblings = []
let previous = element.previousSibling
while (previous) {
if (previous.matches(selector)) {
siblings.push(previous)
}
previous = previous.previousSibling
}
return siblings
}
}
})()
export default SelectorEngine
|
