fix: blobToArrayBuffer

holtwick · Oct 29, 2024 · d4c9f35 · d4c9f35
1 parent 6fbbac5
commit d4c9f35
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Showing 2 changed files with 21 additions and 17 deletions.
diff --git a/src/common/bin/index.ts b/src/common/bin/index.ts
@@ -95,22 +95,25 @@ export function bitfield(bitfield = 0) {
 // Cast
 
 export async function blobToArrayBuffer(blob: Blob | File): Promise<ArrayBuffer | undefined> {
-  return await blob.arrayBuffer()
-  // try {
-  //   return new Promise((resolve, reject) => {
-  //     try {
-  //       const reader = new FileReader()
-  //       reader.onloadend = () => resolve(reader.result as ArrayBuffer)
-  //       reader.onerror = err => reject(err)
-  //       reader.onabort = err => reject(err)
-  //       reader.readAsArrayBuffer(blob)
-  //     }
-  //     catch (err) {
-  //       reject(err)
-  //     }
-  //   })
-  // }
-  // catch (err) {}
+  if (blob.arrayBuffer)
+    return await blob.arrayBuffer()
+
+  // Fallback for older browsers
+  try {
+    return new Promise((resolve, reject) => {
+      try {
+        const reader = new FileReader()
+        reader.onloadend = () => resolve(reader.result as ArrayBuffer)
+        reader.onerror = err => reject(err)
+        reader.onabort = err => reject(err)
+        reader.readAsArrayBuffer(blob)
+      }
+      catch (err) {
+        reject(err)
+      }
+    })
+  }
+  catch (err) {}
 }
 
 export async function blobToUint8Array(blob: Blob | File): Promise<Uint8Array | undefined> {

diff --git a/src/common/data/datauri.ts b/src/common/data/datauri.ts
@@ -1,3 +1,4 @@
+import { blobToArrayBuffer } from '../bin'
 import { fromBase64, toBase64 } from './bin'
 
 export function dataUriToUint8Array(dataUri: string): Uint8Array | undefined {
@@ -18,7 +19,7 @@ export function dataUriToBlob(dataUri: string): Blob | undefined {
 }
 
 export async function blobToDataUri(blob: Blob): Promise<string | undefined> {
-  const bin = await blob.arrayBuffer()
+  const bin = await blobToArrayBuffer(blob)
   if (bin)
     return `data:${blob.type},${toBase64(bin)}`
 }