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test(upload-client): allow large byte uploads #1532

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test(upload-client): allow large byte uploads #1532

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25 changes: 14 additions & 11 deletions packages/upload-client/test/helpers/car.js
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Original file line number Diff line number Diff line change
@@ -1,23 +1,26 @@
import { CarWriter } from '@ipld/car'
import * as CAR from '@ucanto/transport/car'
import { toBlock } from './block.js'
import { createFileEncoderStream } from '../../src/unixfs.js'

/**
* @param {Uint8Array} bytes
*/
export async function toCAR(bytes) {
const block = await toBlock(bytes)
// @ts-expect-error old multiformats in @ipld/car
const { writer, out } = CarWriter.create(block.cid)
writer.put(block)
const readableStream = ((createFileEncoderStream(new Blob([bytes]), {})))

let blocks = [], chunks = []
// @ts-expect-error readable Stream is also an async iterable
for await (let block of readableStream) blocks.push(block)
const rootCID = blocks.at(-1)?.cid

const { writer, out } = CarWriter.create(rootCID)

for (const block of blocks) writer.put(block)
writer.close()

const chunks = []
for await (const chunk of out) {
chunks.push(chunk)
}
for await (const chunk of out) chunks.push(chunk)

const blob = new Blob(chunks)
const cid = await CAR.codec.link(new Uint8Array(await blob.arrayBuffer()))

return Object.assign(blob, { cid, roots: [block.cid] })
return Object.assign(blob, { cid, roots: [rootCID] })
}
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