Nits by Jake

GoogleChromeLabs · Jul 20, 2018 · df7e112 · df7e112
1 parent 13ac3ed
commit df7e112
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Showing 3 changed files with 7 additions and 7 deletions.
diff --git a/src/codecs/browser-webp/decoder.ts b/src/codecs/browser-webp/decoder.ts
@@ -1,9 +1,8 @@
 import { canDecodeImage, createImageBitmapPolyfill } from '../../lib/util';
 
 export const name = 'Browser WebP Decoder';
-export const supportedMimeTypes = ['image/webp'];
-export async function decode(file: File): Promise<ImageBitmap> {
-  return createImageBitmapPolyfill(file);
+export async function decode(blob: Blob): Promise<ImageBitmap> {
+  return createImageBitmapPolyfill(blob);
 }
 
 // tslint:disable-next-line:max-line-length It’s a data URL. Whatcha gonna do?
@@ -13,6 +12,7 @@ export function isSupported(): Promise<boolean> {
   return canDecodeImage(webpFile);
 }
 
+const supportedMimeTypes = ['image/webp'];
 export function canHandleMimeType(mimeType: string): boolean {
   return supportedMimeTypes.includes(mimeType);
 }
diff --git a/src/codecs/webp/decoder.ts b/src/codecs/webp/decoder.ts
@@ -2,17 +2,17 @@ import { blobToArrayBuffer, imageDataToBitmap } from '../../lib/util';
 import DecoderWorker  from './Decoder.worker';
 
 export const name = 'WASM WebP Decoder';
-export const supportedMimeTypes = ['image/webp'];
-export async function decode(file: File): Promise<ImageBitmap> {
+export async function decode(blob: Blob): Promise<ImageBitmap> {
   const decoder = await new DecoderWorker();
-  const imageData = await decoder.decode(await blobToArrayBuffer(file));
+  const imageData = await decoder.decode(await blobToArrayBuffer(blob));
   return imageDataToBitmap(imageData);
 }
 
 export async function isSupported(): Promise<boolean> {
   return true;
 }
 
+const supportedMimeTypes = ['image/webp'];
 export function canHandleMimeType(mimeType: string): boolean {
   return supportedMimeTypes.includes(mimeType);
 }
diff --git a/src/lib/util.ts b/src/lib/util.ts
@@ -128,7 +128,7 @@ const magicNumberToMimeType = new Map<RegExp, string>([
   [/^RIFF....WEBPVP8 /, 'image/webp'],
 ]);
 
-export async function sniffMimeType(blob: Blob): Promise<string | ''> {
+export async function sniffMimeType(blob: Blob): Promise<string> {
   const firstChunk = await blobToArrayBuffer(blob.slice(0, 16));
   const firstChunkString =
     Array.from(new Uint8Array(firstChunk))