44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
'use strict'
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const { ZipArchive } = require('archiver')
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const { createWriteStream } = require('fs')
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const { lstat, readFile, readlink, readdir } = require('fs/promises')
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const { join, relative, sep } = require('path')
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const archiveDate = new Date('2000-01-01T00:00:00.000Z')
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function archiveName(root, value) {
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return relative(root, value).split(sep).join('/')
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}
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async function appendDirectory(archive, root, directory) {
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for (const entry of await readdir(directory, { withFileTypes: true })) {
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const absolute = join(directory, entry.name)
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const name = archiveName(root, absolute)
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const stats = await lstat(absolute)
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if (stats.isSymbolicLink()) {
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archive.symlink(name, await readlink(absolute), stats.mode)
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} else if (stats.isDirectory()) {
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archive.append('', { name: `${name}/`, date: archiveDate })
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await appendDirectory(archive, root, absolute)
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} else if (stats.isFile()) {
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archive.append(await readFile(absolute), { name, mode: stats.mode, date: archiveDate })
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}
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}
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}
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async function archiveDirectory(source, output) {
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const destination = createWriteStream(output)
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const archive = new ZipArchive({ zlib: { level: 9 } })
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const completed = new Promise((resolve, reject) => {
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destination.once('close', resolve)
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destination.once('error', reject)
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archive.once('error', reject)
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})
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archive.pipe(destination)
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await appendDirectory(archive, source, source)
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await archive.finalize()
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await completed
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}
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module.exports = archiveDirectory
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