root / HServer / 00.Server / 00.Program / node_modules / mv / index.js
이력 | 보기 | 이력해설 | 다운로드 (2.47 KB)
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var fs = require('fs'); |
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var ncp = require('ncp').ncp; |
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var path = require('path'); |
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var rimraf = require('rimraf'); |
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var mkdirp = require('mkdirp'); |
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module.exports = mv; |
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function mv(source, dest, options, cb){ |
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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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var shouldMkdirp = !!options.mkdirp;
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var clobber = options.clobber !== false; |
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var limit = options.limit || 16; |
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if (shouldMkdirp) {
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mkdirs(); |
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} else {
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doRename(); |
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} |
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function mkdirs() { |
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mkdirp(path.dirname(dest), function(err) {
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if (err) return cb(err); |
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doRename(); |
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}); |
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} |
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function doRename() { |
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if (clobber) {
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fs.rename(source, dest, function(err) {
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if (!err) return cb(); |
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if (err.code !== 'EXDEV') return cb(err); |
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moveFileAcrossDevice(source, dest, clobber, limit, cb); |
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}); |
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} else {
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fs.link(source, dest, function(err) {
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if (err) {
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if (err.code === 'EXDEV') { |
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moveFileAcrossDevice(source, dest, clobber, limit, cb); |
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return;
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} |
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if (err.code === 'EISDIR' || err.code === 'EPERM') { |
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moveDirAcrossDevice(source, dest, clobber, limit, cb); |
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return;
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} |
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cb(err); |
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return;
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} |
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fs.unlink(source, cb); |
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}); |
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} |
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} |
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} |
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function moveFileAcrossDevice(source, dest, clobber, limit, cb) { |
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var outFlags = clobber ? 'w' : 'wx'; |
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var ins = fs.createReadStream(source);
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var outs = fs.createWriteStream(dest, {flags: outFlags}); |
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ins.on('error', function(err){ |
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ins.destroy(); |
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outs.destroy(); |
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outs.removeListener('close', onClose);
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if (err.code === 'EISDIR' || err.code === 'EPERM') { |
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moveDirAcrossDevice(source, dest, clobber, limit, cb); |
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} else {
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cb(err); |
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} |
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}); |
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outs.on('error', function(err){ |
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ins.destroy(); |
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outs.destroy(); |
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outs.removeListener('close', onClose);
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cb(err); |
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}); |
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outs.once('close', onClose);
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ins.pipe(outs); |
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function onClose(){ |
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fs.unlink(source, cb); |
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} |
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} |
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function moveDirAcrossDevice(source, dest, clobber, limit, cb) { |
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var options = {
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stopOnErr: true, |
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clobber: false, |
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limit: limit,
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}; |
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if (clobber) {
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rimraf(dest, { disableGlob: true }, function(err) {
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if (err) return cb(err); |
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startNcp(); |
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}); |
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} else {
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startNcp(); |
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} |
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function startNcp() { |
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ncp(source, dest, options, function(errList) {
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if (errList) return cb(errList[0]); |
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rimraf(source, { disableGlob: true }, cb);
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}); |
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} |
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} |