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author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2019-10-06 21:37:45 +0200 |
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committer | Dimitri Staessens <dimitri@ouroboros.rocks> | 2019-10-06 21:37:45 +0200 |
commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/fs-extra/lib/move | |
parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
download | website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip |
build: Add some required modules for node
Diffstat (limited to 'node_modules/fs-extra/lib/move')
-rw-r--r-- | node_modules/fs-extra/lib/move/index.js | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/node_modules/fs-extra/lib/move/index.js b/node_modules/fs-extra/lib/move/index.js new file mode 100644 index 0000000..a718135 --- /dev/null +++ b/node_modules/fs-extra/lib/move/index.js @@ -0,0 +1,170 @@ +'use strict' + +// most of this code was written by Andrew Kelley +// licensed under the BSD license: see +// https://github.com/andrewrk/node-mv/blob/master/package.json + +// this needs a cleanup + +const u = require('universalify').fromCallback +const fs = require('graceful-fs') +const copy = require('../copy/copy') +const path = require('path') +const remove = require('../remove').remove +const mkdirp = require('../mkdirs').mkdirs + +function move (src, dest, options, callback) { + if (typeof options === 'function') { + callback = options + options = {} + } + + const overwrite = options.overwrite || options.clobber || false + + isSrcSubdir(src, dest, (err, itIs) => { + if (err) return callback(err) + if (itIs) return callback(new Error(`Cannot move '${src}' to a subdirectory of itself, '${dest}'.`)) + mkdirp(path.dirname(dest), err => { + if (err) return callback(err) + doRename() + }) + }) + + function doRename () { + if (path.resolve(src) === path.resolve(dest)) { + fs.access(src, callback) + } else if (overwrite) { + fs.rename(src, dest, err => { + if (!err) return callback() + + if (err.code === 'ENOTEMPTY' || err.code === 'EEXIST') { + remove(dest, err => { + if (err) return callback(err) + options.overwrite = false // just overwriteed it, no need to do it again + move(src, dest, options, callback) + }) + return + } + + // weird Windows shit + if (err.code === 'EPERM') { + setTimeout(() => { + remove(dest, err => { + if (err) return callback(err) + options.overwrite = false + move(src, dest, options, callback) + }) + }, 200) + return + } + + if (err.code !== 'EXDEV') return callback(err) + moveAcrossDevice(src, dest, overwrite, callback) + }) + } else { + fs.link(src, dest, err => { + if (err) { + if (err.code === 'EXDEV' || err.code === 'EISDIR' || err.code === 'EPERM' || err.code === 'ENOTSUP') { + return moveAcrossDevice(src, dest, overwrite, callback) + } + return callback(err) + } + return fs.unlink(src, callback) + }) + } + } +} + +function moveAcrossDevice (src, dest, overwrite, callback) { + fs.stat(src, (err, stat) => { + if (err) return callback(err) + + if (stat.isDirectory()) { + moveDirAcrossDevice(src, dest, overwrite, callback) + } else { + moveFileAcrossDevice(src, dest, overwrite, callback) + } + }) +} + +function moveFileAcrossDevice (src, dest, overwrite, callback) { + const flags = overwrite ? 'w' : 'wx' + const ins = fs.createReadStream(src) + const outs = fs.createWriteStream(dest, { flags }) + + ins.on('error', err => { + ins.destroy() + outs.destroy() + outs.removeListener('close', onClose) + + // may want to create a directory but `out` line above + // creates an empty file for us: See #108 + // don't care about error here + fs.unlink(dest, () => { + // note: `err` here is from the input stream errror + if (err.code === 'EISDIR' || err.code === 'EPERM') { + moveDirAcrossDevice(src, dest, overwrite, callback) + } else { + callback(err) + } + }) + }) + + outs.on('error', err => { + ins.destroy() + outs.destroy() + outs.removeListener('close', onClose) + callback(err) + }) + + outs.once('close', onClose) + ins.pipe(outs) + + function onClose () { + fs.unlink(src, callback) + } +} + +function moveDirAcrossDevice (src, dest, overwrite, callback) { + const options = { + overwrite: false + } + + if (overwrite) { + remove(dest, err => { + if (err) return callback(err) + startCopy() + }) + } else { + startCopy() + } + + function startCopy () { + copy(src, dest, options, err => { + if (err) return callback(err) + remove(src, callback) + }) + } +} + +// return true if dest is a subdir of src, otherwise false. +// extract dest base dir and check if that is the same as src basename +function isSrcSubdir (src, dest, cb) { + fs.stat(src, (err, st) => { + if (err) return cb(err) + if (st.isDirectory()) { + const baseDir = dest.split(path.dirname(src) + path.sep)[1] + if (baseDir) { + const destBasename = baseDir.split(path.sep)[0] + if (destBasename) return cb(null, src !== dest && dest.indexOf(src) > -1 && destBasename === path.basename(src)) + return cb(null, false) + } + return cb(null, false) + } + return cb(null, false) + }) +} + +module.exports = { + move: u(move) +} |