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Add support for Animated (A)PNG (#8158)

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This commit is contained in:
Michael Telatynski
2022-03-28 09:38:54 +01:00
committed by GitHub
parent 7798ecfa33
commit a3e5231873
5 changed files with 106 additions and 48 deletions
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34
test/Image-test.ts
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@ -29,7 +29,10 @@ describe("Image", () => {
expect(mayBeAnimated("image/webp")).toBeTruthy();
});
it("image/png", async () => {
expect(mayBeAnimated("image/png")).toBeFalsy();
expect(mayBeAnimated("image/png")).toBeTruthy();
});
it("image/apng", async () => {
expect(mayBeAnimated("image/apng")).toBeTruthy();
});
it("image/jpeg", async () => {
expect(mayBeAnimated("image/jpeg")).toBeFalsy();
@ -37,25 +40,36 @@ describe("Image", () => {
});
describe("blobIsAnimated", () => {
const animatedGif = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "animated-logo.gif"))]);
const animatedWebp = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "animated-logo.webp"))]);
const staticGif = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "static-logo.gif"))]);
const staticWebp = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "static-logo.webp"))]);
it("Animated GIF", async () => {
expect(await blobIsAnimated("image/gif", animatedGif)).toBeTruthy();
const img = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "animated-logo.gif"))]);
expect(await blobIsAnimated("image/gif", img)).toBeTruthy();
});
it("Static GIF", async () => {
expect(await blobIsAnimated("image/gif", staticGif)).toBeFalsy();
const img = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "static-logo.gif"))]);
expect(await blobIsAnimated("image/gif", img)).toBeFalsy();
});
it("Animated WEBP", async () => {
expect(await blobIsAnimated("image/webp", animatedWebp)).toBeTruthy();
const img = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "animated-logo.webp"))]);
expect(await blobIsAnimated("image/webp", img)).toBeTruthy();
});
it("Static WEBP", async () => {
expect(await blobIsAnimated("image/webp", staticWebp)).toBeFalsy();
const img = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "static-logo.webp"))]);
expect(await blobIsAnimated("image/webp", img)).toBeFalsy();
});
it("Animated PNG", async () => {
const img = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "animated-logo.apng"))]);
expect(await blobIsAnimated("image/png", img)).toBeTruthy();
expect(await blobIsAnimated("image/apng", img)).toBeTruthy();
});
it("Static PNG", async () => {
const img = new Blob([fs.readFileSync(path.resolve(__dirname, "images", "static-logo.png"))]);
expect(await blobIsAnimated("image/png", img)).toBeFalsy();
expect(await blobIsAnimated("image/apng", img)).toBeFalsy();
});
});
});