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Fix wrong assertions that all media events have a mimetype (#8946)

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Michael Telatynski 2022-06-30 14:35:40 +01:00 • committed by GitHub
parent 7a80ea4bbe
commit bb859d5886
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2 changed files with 3 additions and 3 deletions
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4
src/utils/Image.ts
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@ -16,7 +16,7 @@
import { arrayHasDiff } from "./arrays";
export function mayBeAnimated(mimeType: string): boolean {
export function mayBeAnimated(mimeType?: string): boolean {
// AVIF animation support at the time of writing is only available in Chrome hence not having `blobIsAnimated` check
return ["image/gif", "image/webp", "image/png", "image/apng", "image/avif"].includes(mimeType);
}
@ -34,7 +34,7 @@ function arrayBufferReadStr(arr: ArrayBuffer, start: number, len: number): strin
return String.fromCharCode.apply(null, arrayBufferRead(arr, start, len));
}
export async function blobIsAnimated(mimeType: string, blob: Blob): Promise<boolean> {
export async function blobIsAnimated(mimeType: string | undefined, blob: Blob): Promise<boolean> {
switch (mimeType) {
case "image/webp": {
// Only extended file format WEBP images support animation, so grab the expected data range and verify header.