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More defensive use of isTypeSupported

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This commit is contained in:
Jake Archibald
2021-05-27 09:14:13 +01:00
parent 40c81ef782
commit 8f9c0ff0e7
1 changed files with 9 additions and 2 deletions
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11
src/client/lazy-app/util/web-codecs/index.ts
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@@ -1,12 +1,19 @@
import { drawableToImageData } from '../canvas'; import { drawableToImageData } from '../canvas';
const hasImageDecoder = typeof ImageDecoder !== 'undefined'; const hasImageDecoder = typeof ImageDecoder !== 'undefined';
export async function isTypeSupported(mimeType: string): Promise<boolean> { export async function isTypeSupported(mimeType: string): Promise<boolean> {
if (!hasImageDecoder) { if (!hasImageDecoder) return false;
// Some old versions of this API threw here.
// It only impacted folks with experimental web platform flags enabled in Chrome 90.
// The API was updated in Chrome 91.
try {
return await ImageDecoder.isTypeSupported(mimeType);
} catch (err) {
return false; return false;
} }
return ImageDecoder.isTypeSupported(mimeType);
} }
export async function decode( export async function decode(
blob: Blob | File, blob: Blob | File,
mimeType: string, mimeType: string,