861edad459
Removes `rimraf` for a smaller custom lib Benchmarks (in ms): ``` rimraf 1 518.536376 rimraf 2 416.112451 rimraf 3 451.905842 rimraf 4 525.117395 rimraf 5 434.230384 ---- Average: 469.18ms ----------- recursive delete 1 121.493979 recursive delete 2 130.335272 recursive delete 3 149.798316 recursive delete 4 182.184688 recursive delete 5 130.346207 --- Average: 142.83ms ``` `recursiveDelete` finishes in ~30% of the time it takes `rimraf` (3.3 times faster)
61 lines
1.6 KiB
TypeScript
61 lines
1.6 KiB
TypeScript
import fs from 'fs'
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import { join } from 'path'
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import { promisify } from 'util'
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const readdir = promisify(fs.readdir)
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const stat = promisify(fs.stat)
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const rmdir = promisify(fs.rmdir)
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const unlink = promisify(fs.unlink)
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const sleep = promisify(setTimeout)
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const unlinkFile = async (p: string, t = 1): Promise<void> => {
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try {
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await unlink(p)
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} catch (e) {
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if ((e.code === 'EBUSY' || e.code === 'ENOTEMPTY' || e.code === 'EPERM' || e.code === 'EMFILE') && t < 3) {
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await sleep(t * 100)
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return unlinkFile(p, t++)
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}
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if (e.code === 'ENOENT') {
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return
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}
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throw e
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}
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}
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/**
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* Recursively delete directory contents
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* @param {string} dir Directory to delete the contents of
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* @param {RegExp} filter Filter for the file name, only the name part is considered, not the full path
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* @param {boolean} ensure Esures that parameter dir exists, this is not passed recursively
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* @returns Promise void
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*/
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export async function recursiveDelete(dir: string, filter?: RegExp, ensure?: boolean): Promise<void> {
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let result
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try {
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result = await readdir(dir)
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} catch (e) {
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if (e.code === 'ENOENT' && !ensure) return
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throw e
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}
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await Promise.all(result.map(async (part: string) => {
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const absolutePath = join(dir, part)
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const pathStat = await stat(absolutePath).catch((e) => {
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if (e.code !== 'ENOENT') throw e
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})
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if (!pathStat) return
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if (pathStat.isDirectory()) {
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await recursiveDelete(absolutePath, filter)
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return rmdir(absolutePath)
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}
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if (!filter || filter.test(part)) {
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return unlinkFile(absolutePath)
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}
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}))
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}
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