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'use strict';
var path = require('path');
var fs = require('graceful-fs');
var MASK_MODE = parseInt('7777', 8);
// Utility for passing dirpath that was used with `fs.stat`
function stat(dirpath, cb) {
fs.stat(dirpath, onStat);
function onStat(err, stats) {
cb(err, dirpath, stats);
}
}
// Utility for passing dirpath that was used with `fs.lstat`
function lstat(dirpath, cb) {
fs.lstat(dirpath, onStat);
function onStat(err, stats) {
cb(err, dirpath, stats);
}
}
function mkdirp(dirpath, mode, callback) {
if (typeof mode === 'function') {
callback = mode;
mode = undefined;
}
if (typeof mode === 'string') {
mode = parseInt(mode, 8);
}
dirpath = path.resolve(dirpath);
fs.mkdir(dirpath, mode, onMkdir);
function onMkdir(mkdirErr) {
if (!mkdirErr) {
return stat(dirpath, onStat);
}
switch (mkdirErr.code) {
case 'ENOENT': {
return mkdirp(path.dirname(dirpath), onRecurse);
}
case 'EEXIST': {
return stat(dirpath, onStat);
}
case 'ENOTDIR': {
// On ENOTDIR, this will traverse up the tree until it finds something it can stat
return stat(dirpath, onErrorRecurse);
}
default: {
return callback(mkdirErr);
}
}
function onErrorRecurse(err, dirpath, stats) {
if (err) {
return stat(path.dirname(dirpath), onErrorRecurse);
}
onStat(err, dirpath, stats);
}
function onStat(statErr, dirpath, stats) {
if (statErr) {
// If we have ENOENT here it might be a symlink,
// so we need to recurse to error with the target file name
if (statErr.code === 'ENOENT') {
return lstat(dirpath, onStat);
}
return callback(statErr);
}
if (!stats.isDirectory()) {
return lstat(dirpath, onNonDirectory);
}
if (!mode) {
return callback();
}
if ((stats.mode & MASK_MODE) === mode) {
return callback();
}
fs.chmod(dirpath, mode, onChmod);
}
function onChmod(chmodErr) {
if (chmodErr && chmodErr.code !== 'ENOSUP') {
return callback(chmodErr);
}
callback();
}
function onNonDirectory(err, dirpath, stats) {
if (err) {
// Just being cautious by bubbling the mkdir error
return callback(mkdirErr);
}
if (stats.isSymbolicLink()) {
return fs.readlink(dirpath, onReadlink);
}
// Trying to readdir will surface the ENOTDIR we want
// TODO: Use `opendir` when we support node >12
fs.readdir(dirpath, callback);
}
function onReadlink(err, link) {
if (err) {
// Just being cautious by bubbling the mkdir error
return callback(mkdirErr);
}
// Trying to readdir will surface the ENOTDIR we want
// TODO: Use `opendir` when we support node >12
fs.readdir(link, callback);
}
}
function onRecurse(recurseErr) {
if (recurseErr) {
return callback(recurseErr);
}
mkdirp(dirpath, mode, callback);
}
}
module.exports = mkdirp;
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