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Convert emptyDir() to async function; remove items in parallel #885

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Apr 6, 2021
Merged

Convert emptyDir() to async function; remove items in parallel #885

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29 changes: 10 additions & 19 deletions lib/empty/index.js
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Original file line number Diff line number Diff line change
@@ -1,29 +1,20 @@
'use strict'

const u = require('universalify').fromCallback
const fs = require('graceful-fs')
const u = require('universalify').fromPromise
const fs = require('../fs')
const path = require('path')
const mkdir = require('../mkdirs')
const remove = require('../remove')

const emptyDir = u(function emptyDir (dir, callback) {
callback = callback || function () {}
fs.readdir(dir, (err, items) => {
if (err) return mkdir.mkdirs(dir, callback)

items = items.map(item => path.join(dir, item))

deleteItem()
const emptyDir = u(async function emptyDir (dir) {
let items
try {
items = await fs.readdir(dir)
} catch {
return mkdir.mkdirs(dir)
}

function deleteItem () {
const item = items.pop()
if (!item) return callback()
remove.remove(item, err => {
if (err) return callback(err)
deleteItem()
})
}
})
return Promise.all(items.map(item => remove.remove(path.join(dir, item))))
})

function emptyDirSync (dir) {
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