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Diffstat (limited to 'js/src/dom/polyfill.js')
-rw-r--r--js/src/dom/polyfill.js65
1 files changed, 0 insertions, 65 deletions
diff --git a/js/src/dom/polyfill.js b/js/src/dom/polyfill.js
deleted file mode 100644
index c5318a1300..0000000000
--- a/js/src/dom/polyfill.js
+++ /dev/null
@@ -1,65 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v5.0.0-alpha2): dom/polyfill.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import { getUID } from '../util/index'
-
-let find = Element.prototype.querySelectorAll
-let findOne = Element.prototype.querySelector
-
-const scopeSelectorRegex = /:scope\b/
-const supportsScopeQuery = (() => {
- const element = document.createElement('div')
-
- try {
- element.querySelectorAll(':scope *')
- } catch (_) {
- return false
- }
-
- return true
-})()
-
-if (!supportsScopeQuery) {
- find = function (selector) {
- if (!scopeSelectorRegex.test(selector)) {
- return this.querySelectorAll(selector)
- }
-
- const hasId = Boolean(this.id)
-
- if (!hasId) {
- this.id = getUID('scope')
- }
-
- let nodeList = null
- try {
- selector = selector.replace(scopeSelectorRegex, `#${this.id}`)
- nodeList = this.querySelectorAll(selector)
- } finally {
- if (!hasId) {
- this.removeAttribute('id')
- }
- }
-
- return nodeList
- }
-
- findOne = function (selector) {
- if (!scopeSelectorRegex.test(selector)) {
- return this.querySelector(selector)
- }
-
- const matches = find.call(this, selector)
-
- return matches[0] ? matches[0] : null
- }
-}
-
-export {
- find,
- findOne
-}