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https://github.com/yu-i-i/overleaf-cep.git
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dd15ade2b9
[history-v1] make HistoryStore generic and add backupHistoryStore GitOrigin-RevId: 65d275de182dbcf5d4b6bf3c610b71b58db68e70
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
// @ts-check
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/**
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* Promises are promises and streams are streams, and ne'er the twain shall
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* meet.
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* @module
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*/
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'use strict'
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const Stream = require('node:stream')
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const zlib = require('node:zlib')
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const { WritableBuffer } = require('@overleaf/stream-utils')
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/**
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* Create a promise for the result of reading a stream to a buffer.
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*
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* @param {Stream.Readable} readStream
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* @return {Promise<Buffer>}
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*/
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async function readStreamToBuffer(readStream) {
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const bufferStream = new WritableBuffer()
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await Stream.promises.pipeline(readStream, bufferStream)
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return bufferStream.contents()
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}
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exports.readStreamToBuffer = readStreamToBuffer
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/**
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* Create a promise for the result of un-gzipping a stream to a buffer.
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*
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* @param {NodeJS.ReadableStream} readStream
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* @return {Promise<Buffer>}
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*/
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async function gunzipStreamToBuffer(readStream) {
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const gunzip = zlib.createGunzip()
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const bufferStream = new WritableBuffer()
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await Stream.promises.pipeline(readStream, gunzip, bufferStream)
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return bufferStream.contents()
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}
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exports.gunzipStreamToBuffer = gunzipStreamToBuffer
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