56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
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import { createWriteStream } from 'fs'
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import { ensureDir } from 'fs-extra/esm'
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import { dirname, join } from 'path'
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import { pipeline } from 'stream'
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import * as yauzl from 'yauzl'
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import { logger, loggerTagsFactory } from './logger.js'
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const lTags = loggerTagsFactory('unzip')
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export async function unzip (source: string, destination: string) {
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await ensureDir(destination)
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logger.info(`Unzip ${source} to ${destination}`, lTags())
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return new Promise<void>((res, rej) => {
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yauzl.open(source, { lazyEntries: true }, (err, zipFile) => {
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if (err) return rej(err)
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zipFile.readEntry()
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zipFile.on('entry', async entry => {
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const entryPath = join(destination, entry.fileName)
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try {
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if (/\/$/.test(entry.fileName)) {
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await ensureDir(entryPath)
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logger.debug(`Creating directory from zip ${entryPath}`, lTags())
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zipFile.readEntry()
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return
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}
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await ensureDir(dirname(entryPath))
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} catch (err) {
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return rej(err)
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}
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zipFile.openReadStream(entry, (readErr, readStream) => {
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if (readErr) return rej(readErr)
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logger.debug(`Creating file from zip ${entryPath}`, lTags())
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const writeStream = createWriteStream(entryPath)
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writeStream.on('close', () => zipFile.readEntry())
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pipeline(readStream, writeStream, pipelineErr => {
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if (pipelineErr) return rej(pipelineErr)
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})
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})
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})
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zipFile.on('end', () => res())
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})
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})
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}
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