root / HServer / 00.Server / 00.Program / node_modules / mv / index.js
이력 | 보기 | 이력해설 | 다운로드 (2.47 KB)
| 1 | 39 | HKM | var fs = require('fs'); |
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| 2 | var ncp = require('ncp').ncp; |
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| 3 | var path = require('path'); |
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| 4 | var rimraf = require('rimraf'); |
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| 5 | var mkdirp = require('mkdirp'); |
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| 6 | |||
| 7 | module.exports = mv; |
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| 8 | |||
| 9 | function mv(source, dest, options, cb){ |
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| 10 | if (typeof options === 'function') { |
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| 11 | cb = options; |
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| 12 | options = {};
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| 13 | } |
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| 14 | var shouldMkdirp = !!options.mkdirp;
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| 15 | var clobber = options.clobber !== false; |
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| 16 | var limit = options.limit || 16; |
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| 17 | |||
| 18 | if (shouldMkdirp) {
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| 19 | mkdirs(); |
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| 20 | } else {
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| 21 | doRename(); |
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| 22 | } |
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| 23 | |||
| 24 | function mkdirs() { |
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| 25 | mkdirp(path.dirname(dest), function(err) {
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| 26 | if (err) return cb(err); |
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| 27 | doRename(); |
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| 28 | }); |
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| 29 | } |
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| 30 | |||
| 31 | function doRename() { |
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| 32 | if (clobber) {
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| 33 | fs.rename(source, dest, function(err) {
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| 34 | if (!err) return cb(); |
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| 35 | if (err.code !== 'EXDEV') return cb(err); |
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| 36 | moveFileAcrossDevice(source, dest, clobber, limit, cb); |
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| 37 | }); |
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| 38 | } else {
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| 39 | fs.link(source, dest, function(err) {
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| 40 | if (err) {
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| 41 | if (err.code === 'EXDEV') { |
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| 42 | moveFileAcrossDevice(source, dest, clobber, limit, cb); |
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| 43 | return;
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| 44 | } |
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| 45 | if (err.code === 'EISDIR' || err.code === 'EPERM') { |
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| 46 | moveDirAcrossDevice(source, dest, clobber, limit, cb); |
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| 47 | return;
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| 48 | } |
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| 49 | cb(err); |
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| 50 | return;
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| 51 | } |
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| 52 | fs.unlink(source, cb); |
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| 53 | }); |
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| 54 | } |
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| 55 | } |
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| 56 | } |
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| 57 | |||
| 58 | function moveFileAcrossDevice(source, dest, clobber, limit, cb) { |
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| 59 | var outFlags = clobber ? 'w' : 'wx'; |
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| 60 | var ins = fs.createReadStream(source);
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| 61 | var outs = fs.createWriteStream(dest, {flags: outFlags}); |
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| 62 | ins.on('error', function(err){ |
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| 63 | ins.destroy(); |
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| 64 | outs.destroy(); |
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| 65 | outs.removeListener('close', onClose);
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| 66 | if (err.code === 'EISDIR' || err.code === 'EPERM') { |
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| 67 | moveDirAcrossDevice(source, dest, clobber, limit, cb); |
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| 68 | } else {
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| 69 | cb(err); |
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| 70 | } |
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| 71 | }); |
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| 72 | outs.on('error', function(err){ |
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| 73 | ins.destroy(); |
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| 74 | outs.destroy(); |
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| 75 | outs.removeListener('close', onClose);
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| 76 | cb(err); |
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| 77 | }); |
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| 78 | outs.once('close', onClose);
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| 79 | ins.pipe(outs); |
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| 80 | function onClose(){ |
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| 81 | fs.unlink(source, cb); |
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| 82 | } |
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| 83 | } |
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| 84 | |||
| 85 | function moveDirAcrossDevice(source, dest, clobber, limit, cb) { |
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| 86 | var options = {
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| 87 | stopOnErr: true, |
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| 88 | clobber: false, |
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| 89 | limit: limit,
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| 90 | }; |
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| 91 | if (clobber) {
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| 92 | rimraf(dest, { disableGlob: true }, function(err) {
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| 93 | if (err) return cb(err); |
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| 94 | startNcp(); |
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| 95 | }); |
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| 96 | } else {
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| 97 | startNcp(); |
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| 98 | } |
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| 99 | function startNcp() { |
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| 100 | ncp(source, dest, options, function(errList) {
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| 101 | if (errList) return cb(errList[0]); |
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| 102 | rimraf(source, { disableGlob: true }, cb);
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| 103 | }); |
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| 104 | } |
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| 105 | } |