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polyfill.js minor tweaks (#32011)

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* rename function to `supportsScopeQuery`
* use a ternary in `findOne` function return value
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XhmikosR 2020-11-01 07:38:55 +02:00 committed by GitHub
parent d1dcc1e5e6
commit e6f8428b28
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1 changed files with 3 additions and 7 deletions
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10
js/src/dom/polyfill.js
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@ -27,7 +27,7 @@ const defaultPreventedPreservedOnDispatch = (() => {
})()
const scopeSelectorRegex = /:scope\b/
const supportScopeQuery = (() => {
const supportsScopeQuery = (() => {
const element = document.createElement('div')
try {
@ -39,7 +39,7 @@ const supportScopeQuery = (() => {
return true
})()
if (!supportScopeQuery) {
if (!supportsScopeQuery) {
find = function (selector) {
if (!scopeSelectorRegex.test(selector)) {
return this.querySelectorAll(selector)
@ -71,11 +71,7 @@ if (!supportScopeQuery) {
const matches = find.call(this, selector)
if (typeof matches[0] !== 'undefined') {
return matches[0]
}
return null
return matches[0] ? matches[0] : null
}
}