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23 lines
507 B
JavaScript
23 lines
507 B
JavaScript
// Original fork from https://github.com/sindresorhus/read-chunk
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import { open } from "node:fs/promises"
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export default async (filePath, { length, startPosition }) => {
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const fileDescriptor = await open(filePath, "r")
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try {
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let { bytesRead, buffer } = await fileDescriptor.read({
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buffer: new Uint8Array(length),
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length,
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position: startPosition,
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})
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if (bytesRead < length) {
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buffer = buffer.subarray(0, bytesRead)
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}
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return buffer
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} finally {
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await fileDescriptor?.close()
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}
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}
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