10 replies

Error testing file upload

This is probably something stupid on my side... But maybe someone can help

I'm testing image upload with convex-test. For simplicity i just create a 100 Byte Blob like this:

const image = new Blob([new ArrayBuffer(100)]);
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

const image = new Blob([new ArrayBuffer(100)]);
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

However this throws the following error inside

store

store

function:

TypeError: blob.arrayBuffer is not a function
    at blobSha (/home/michael/dev/prototest/node_modules/convex-test/dist/index.js:833:36)

TypeError: blob.arrayBuffer is not a function
    at blobSha (/home/michael/dev/prototest/node_modules/convex-test/dist/index.js:833:36)

When I use the blob from a real image it works as expected:

const imageUrl = "https://fakeimg.pl/800x600/";
const response = await fetch(imageUrl);
const image = await response.blob();
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

const imageUrl = "https://fakeimg.pl/800x600/";
const response = await fetch(imageUrl);
const image = await response.blob();
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

Any idea what I'm doing wrong when creating the Blob data?

Convex Community•2y ago•

10 replies

TripleSpeeder

Error testing file upload

This is probably something stupid on my side... But maybe someone can help

I'm testing image upload with convex-test. For simplicity i just create a 100 Byte Blob like this:

const image = new Blob([new ArrayBuffer(100)]);
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

const image = new Blob([new ArrayBuffer(100)]);
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

However this throws the following error inside

store

store

function:

TypeError: blob.arrayBuffer is not a function
    at blobSha (/home/michael/dev/prototest/node_modules/convex-test/dist/index.js:833:36)

TypeError: blob.arrayBuffer is not a function
    at blobSha (/home/michael/dev/prototest/node_modules/convex-test/dist/index.js:833:36)

When I use the blob from a real image it works as expected:

const imageUrl = "https://fakeimg.pl/800x600/";
const response = await fetch(imageUrl);
const image = await response.blob();
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

const imageUrl = "https://fakeimg.pl/800x600/";
const response = await fetch(imageUrl);
const image = await response.blob();
// Store the image in Convex
const storageId = await t.run(async (ctx) => {
   return ctx.storage.store(image);
});

Any idea what I'm doing wrong when creating the Blob data?

Error testing file upload

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