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musescore-downloader
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fix: waitForDocumentLoaded

This commit is contained in:
Xmader 2020-10-23 10:46:45 -04:00
parent dd959c995b
commit c63b30bc5d
1 changed files with 4 additions and 2 deletions
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6
src/utils.ts
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@ -22,11 +22,13 @@ export const fetchData = async (url: string, init?: RequestInit): Promise<Uint8A
export const waitForDocumentLoaded = (): Promise<void> => {
if (document.readyState !== 'complete') {
return new Promise(resolve => {
document.addEventListener('readystatechange', () => {
const cb = () => {
if (document.readyState === 'complete') {
resolve()
document.removeEventListener('readystatechange', cb)
}
}, { once: true })
}
document.addEventListener('readystatechange', cb)
})
} else {
return Promise.resolve()