Tons of Solutions Engineering work done today for the rest of the CS team! Headway, Howard Hanna, Engels, Brighton, etc. Also completed Datasnippers auth flow and worked on Anthology's script. Cloned Anthology's courses (900..) and will clone Full Story on Monday.
This commit is contained in:
Norm Rasmussen
9
Scripts/node_modules/fs-extra/lib/remove/index.js
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Scripts/node_modules/fs-extra/lib/remove/index.js
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'use strict'
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const u = require('universalify').fromCallback
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const rimraf = require('./rimraf')
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module.exports = {
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remove: u(rimraf),
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removeSync: rimraf.sync
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}
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314
Scripts/node_modules/fs-extra/lib/remove/rimraf.js
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314
Scripts/node_modules/fs-extra/lib/remove/rimraf.js
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'use strict'
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const fs = require('graceful-fs')
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const path = require('path')
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const assert = require('assert')
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const isWindows = (process.platform === 'win32')
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function defaults (options) {
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const methods = [
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'unlink',
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'chmod',
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'stat',
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'lstat',
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'rmdir',
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'readdir'
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]
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methods.forEach(m => {
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options[m] = options[m] || fs[m]
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m = m + 'Sync'
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options[m] = options[m] || fs[m]
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})
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options.maxBusyTries = options.maxBusyTries || 3
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}
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function rimraf (p, options, cb) {
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let busyTries = 0
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if (typeof options === 'function') {
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cb = options
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options = {}
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}
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assert(p, 'rimraf: missing path')
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assert.strictEqual(typeof p, 'string', 'rimraf: path should be a string')
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assert.strictEqual(typeof cb, 'function', 'rimraf: callback function required')
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assert(options, 'rimraf: invalid options argument provided')
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assert.strictEqual(typeof options, 'object', 'rimraf: options should be object')
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defaults(options)
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rimraf_(p, options, function CB (er) {
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if (er) {
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if ((er.code === 'EBUSY' || er.code === 'ENOTEMPTY' || er.code === 'EPERM') &&
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busyTries < options.maxBusyTries) {
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busyTries++
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const time = busyTries * 100
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// try again, with the same exact callback as this one.
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return setTimeout(() => rimraf_(p, options, CB), time)
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}
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// already gone
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if (er.code === 'ENOENT') er = null
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}
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cb(er)
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})
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}
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// Two possible strategies.
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// 1. Assume it's a file. unlink it, then do the dir stuff on EPERM or EISDIR
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// 2. Assume it's a directory. readdir, then do the file stuff on ENOTDIR
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//
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// Both result in an extra syscall when you guess wrong. However, there
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// are likely far more normal files in the world than directories. This
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// is based on the assumption that a the average number of files per
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// directory is >= 1.
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//
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// If anyone ever complains about this, then I guess the strategy could
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// be made configurable somehow. But until then, YAGNI.
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function rimraf_ (p, options, cb) {
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assert(p)
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assert(options)
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assert(typeof cb === 'function')
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// sunos lets the root user unlink directories, which is... weird.
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// so we have to lstat here and make sure it's not a dir.
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options.lstat(p, (er, st) => {
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if (er && er.code === 'ENOENT') {
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return cb(null)
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}
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// Windows can EPERM on stat. Life is suffering.
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if (er && er.code === 'EPERM' && isWindows) {
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return fixWinEPERM(p, options, er, cb)
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}
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if (st && st.isDirectory()) {
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return rmdir(p, options, er, cb)
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}
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options.unlink(p, er => {
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if (er) {
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if (er.code === 'ENOENT') {
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return cb(null)
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}
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if (er.code === 'EPERM') {
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return (isWindows)
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? fixWinEPERM(p, options, er, cb)
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: rmdir(p, options, er, cb)
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}
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if (er.code === 'EISDIR') {
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return rmdir(p, options, er, cb)
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}
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}
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return cb(er)
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})
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})
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}
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function fixWinEPERM (p, options, er, cb) {
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assert(p)
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assert(options)
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assert(typeof cb === 'function')
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if (er) {
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assert(er instanceof Error)
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}
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options.chmod(p, 0o666, er2 => {
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if (er2) {
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cb(er2.code === 'ENOENT' ? null : er)
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} else {
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options.stat(p, (er3, stats) => {
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if (er3) {
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cb(er3.code === 'ENOENT' ? null : er)
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} else if (stats.isDirectory()) {
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rmdir(p, options, er, cb)
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} else {
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options.unlink(p, cb)
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}
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})
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}
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})
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}
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function fixWinEPERMSync (p, options, er) {
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let stats
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assert(p)
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assert(options)
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if (er) {
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assert(er instanceof Error)
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}
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try {
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options.chmodSync(p, 0o666)
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} catch (er2) {
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if (er2.code === 'ENOENT') {
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return
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} else {
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throw er
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}
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}
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try {
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stats = options.statSync(p)
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} catch (er3) {
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if (er3.code === 'ENOENT') {
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return
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} else {
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throw er
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}
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}
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if (stats.isDirectory()) {
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rmdirSync(p, options, er)
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} else {
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options.unlinkSync(p)
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}
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}
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function rmdir (p, options, originalEr, cb) {
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assert(p)
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assert(options)
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if (originalEr) {
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assert(originalEr instanceof Error)
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}
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assert(typeof cb === 'function')
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// try to rmdir first, and only readdir on ENOTEMPTY or EEXIST (SunOS)
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// if we guessed wrong, and it's not a directory, then
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// raise the original error.
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options.rmdir(p, er => {
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if (er && (er.code === 'ENOTEMPTY' || er.code === 'EEXIST' || er.code === 'EPERM')) {
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rmkids(p, options, cb)
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} else if (er && er.code === 'ENOTDIR') {
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cb(originalEr)
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} else {
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cb(er)
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}
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})
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}
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function rmkids (p, options, cb) {
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assert(p)
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assert(options)
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assert(typeof cb === 'function')
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options.readdir(p, (er, files) => {
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if (er) return cb(er)
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let n = files.length
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let errState
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if (n === 0) return options.rmdir(p, cb)
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files.forEach(f => {
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rimraf(path.join(p, f), options, er => {
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if (errState) {
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return
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}
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if (er) return cb(errState = er)
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if (--n === 0) {
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options.rmdir(p, cb)
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}
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})
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})
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})
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}
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// this looks simpler, and is strictly *faster*, but will
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// tie up the JavaScript thread and fail on excessively
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// deep directory trees.
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function rimrafSync (p, options) {
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let st
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options = options || {}
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defaults(options)
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assert(p, 'rimraf: missing path')
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assert.strictEqual(typeof p, 'string', 'rimraf: path should be a string')
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assert(options, 'rimraf: missing options')
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assert.strictEqual(typeof options, 'object', 'rimraf: options should be object')
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try {
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st = options.lstatSync(p)
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} catch (er) {
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if (er.code === 'ENOENT') {
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return
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}
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// Windows can EPERM on stat. Life is suffering.
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if (er.code === 'EPERM' && isWindows) {
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fixWinEPERMSync(p, options, er)
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}
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}
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try {
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// sunos lets the root user unlink directories, which is... weird.
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if (st && st.isDirectory()) {
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rmdirSync(p, options, null)
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} else {
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options.unlinkSync(p)
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}
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} catch (er) {
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if (er.code === 'ENOENT') {
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return
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} else if (er.code === 'EPERM') {
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return isWindows ? fixWinEPERMSync(p, options, er) : rmdirSync(p, options, er)
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} else if (er.code !== 'EISDIR') {
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throw er
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}
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rmdirSync(p, options, er)
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}
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}
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function rmdirSync (p, options, originalEr) {
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assert(p)
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assert(options)
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if (originalEr) {
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assert(originalEr instanceof Error)
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}
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try {
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options.rmdirSync(p)
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} catch (er) {
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if (er.code === 'ENOTDIR') {
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throw originalEr
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} else if (er.code === 'ENOTEMPTY' || er.code === 'EEXIST' || er.code === 'EPERM') {
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rmkidsSync(p, options)
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} else if (er.code !== 'ENOENT') {
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throw er
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}
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}
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}
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function rmkidsSync (p, options) {
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assert(p)
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assert(options)
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options.readdirSync(p).forEach(f => rimrafSync(path.join(p, f), options))
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if (isWindows) {
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// We only end up here once we got ENOTEMPTY at least once, and
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// at this point, we are guaranteed to have removed all the kids.
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// So, we know that it won't be ENOENT or ENOTDIR or anything else.
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// try really hard to delete stuff on windows, because it has a
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// PROFOUNDLY annoying habit of not closing handles promptly when
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// files are deleted, resulting in spurious ENOTEMPTY errors.
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const startTime = Date.now()
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do {
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try {
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const ret = options.rmdirSync(p, options)
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return ret
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} catch (er) { }
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} while (Date.now() - startTime < 500) // give up after 500ms
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} else {
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const ret = options.rmdirSync(p, options)
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return ret
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}
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}
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module.exports = rimraf
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rimraf.sync = rimrafSync
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Reference in New Issue
Block a user