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1721034a40
PR-URL: https://github.com/nodejs/node/pull/28525 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
122 lines
2.9 KiB
JavaScript
122 lines
2.9 KiB
JavaScript
var fs = require ('graceful-fs')
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var dz = require ('dezalgo')
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var once = require ('once')
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var path = require ('path')
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var debug = require ('debuglog') ('rds')
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module . exports = readdir
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readdir.sync = readdirSync
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function readdir (dir, cb) {
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fs . readdir (dir, function (er, kids) {
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if (er)
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return cb (er)
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debug ('dir=%j, kids=%j', dir, kids)
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readScopes (dir, kids, function (er, data) {
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if (er)
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return cb (er)
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// Sort for bonus consistency points
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data = data . sort (function (a, b) {
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return a > b ? 1 : -1
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})
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return cb (null, data)
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})
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})
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}
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function readdirSync (dir) {
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var kids = fs . readdirSync (dir)
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debug ('dir=%j, kids=%j', dir, kids)
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var data = readScopesSync (dir, kids)
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// Sort for bonus consistency points
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data = data . sort (function (a, b) {
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return a > b ? 1 : -1
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})
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return data
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}
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// Turn [ 'a', '@scope' ] into
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// ['a', '@scope/foo', '@scope/bar']
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function readScopes (root, kids, cb) {
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var scopes = kids . filter (function (kid) {
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return kid . charAt (0) === '@'
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})
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kids = kids . filter (function (kid) {
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return kid . charAt (0) !== '@'
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})
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debug ('scopes=%j', scopes)
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if (scopes . length === 0)
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dz (cb) (null, kids) // prevent maybe-sync zalgo release
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cb = once (cb)
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var l = scopes . length
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scopes . forEach (function (scope) {
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var scopedir = path . resolve (root, scope)
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debug ('root=%j scope=%j scopedir=%j', root, scope, scopedir)
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fs . readdir (scopedir, then . bind (null, scope))
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})
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function then (scope, er, scopekids) {
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if (er)
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return cb (er)
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// XXX: Not sure how old this node bug is. Maybe superstition?
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scopekids = scopekids . filter (function (scopekid) {
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return !(scopekid === '.' || scopekid === '..' || !scopekid)
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})
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kids . push . apply (kids, scopekids . map (function (scopekid) {
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return scope + '/' + scopekid
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}))
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debug ('scope=%j scopekids=%j kids=%j', scope, scopekids, kids)
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if (--l === 0)
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cb (null, kids)
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}
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}
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function readScopesSync (root, kids) {
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var scopes = kids . filter (function (kid) {
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return kid . charAt (0) === '@'
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})
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kids = kids . filter (function (kid) {
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return kid . charAt (0) !== '@'
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})
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debug ('scopes=%j', scopes)
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if (scopes . length === 0)
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return kids
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var l = scopes . length
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scopes . forEach (function (scope) {
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var scopedir = path . resolve (root, scope)
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debug ('root=%j scope=%j scopedir=%j', root, scope, scopedir)
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then (scope, fs . readdirSync (scopedir))
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})
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function then (scope, scopekids) {
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// XXX: Not sure how old this node bug is. Maybe superstition?
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scopekids = scopekids . filter (function (scopekid) {
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return !(scopekid === '.' || scopekid === '..' || !scopekid)
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})
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kids . push . apply (kids, scopekids . map (function (scopekid) {
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return scope + '/' + scopekid
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}))
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debug ('scope=%j scopekids=%j kids=%j', scope, scopekids, kids)
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}
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return kids
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}
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