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| 1 | +const { dirname, join, resolve, relative, isAbsolute } = require('path') |
| 2 | +const rimraf_ = require('rimraf') |
| 3 | +const { promisify } = require('util') |
| 4 | +const { |
| 5 | + access: access_, |
| 6 | + accessSync, |
| 7 | + copyFile: copyFile_, |
| 8 | + copyFileSync, |
| 9 | + readdir: readdir_, |
| 10 | + readdirSync, |
| 11 | + rename: rename_, |
| 12 | + renameSync, |
| 13 | + stat: stat_, |
| 14 | + statSync, |
| 15 | + lstat: lstat_, |
| 16 | + lstatSync, |
| 17 | + symlink: symlink_, |
| 18 | + symlinkSync, |
| 19 | + readlink: readlink_, |
| 20 | + readlinkSync, |
| 21 | +} = require('fs') |
| 22 | + |
| 23 | +const access = promisify(access_) |
| 24 | +const copyFile = promisify(copyFile_) |
| 25 | +const readdir = promisify(readdir_) |
| 26 | +const rename = promisify(rename_) |
| 27 | +const stat = promisify(stat_) |
| 28 | +const lstat = promisify(lstat_) |
| 29 | +const symlink = promisify(symlink_) |
| 30 | +const readlink = promisify(readlink_) |
| 31 | +const rimraf = promisify(rimraf_) |
| 32 | +const rimrafSync = rimraf_.sync |
| 33 | + |
| 34 | +const mkdirp = require('mkdirp') |
| 35 | + |
| 36 | +const pathExists = async path => { |
| 37 | + try { |
| 38 | + await access(path) |
| 39 | + return true |
| 40 | + } catch (er) { |
| 41 | + return er.code !== 'ENOENT' |
| 42 | + } |
| 43 | +} |
| 44 | + |
| 45 | +const pathExistsSync = path => { |
| 46 | + try { |
| 47 | + accessSync(path) |
| 48 | + return true |
| 49 | + } catch (er) { |
| 50 | + return er.code !== 'ENOENT' |
| 51 | + } |
| 52 | +} |
| 53 | + |
| 54 | +const moveFile = async (source, destination, options = {}, root = true, symlinks = []) => { |
| 55 | + if (!source || !destination) { |
| 56 | + throw new TypeError('`source` and `destination` file required') |
| 57 | + } |
| 58 | + |
| 59 | + options = { |
| 60 | + overwrite: true, |
| 61 | + ...options, |
| 62 | + } |
| 63 | + |
| 64 | + if (!options.overwrite && await pathExists(destination)) { |
| 65 | + throw new Error(`The destination file exists: ${destination}`) |
| 66 | + } |
| 67 | + |
| 68 | + await mkdirp(dirname(destination)) |
| 69 | + |
| 70 | + try { |
| 71 | + await rename(source, destination) |
| 72 | + } catch (error) { |
| 73 | + if (error.code === 'EXDEV' || error.code === 'EPERM') { |
| 74 | + const sourceStat = await lstat(source) |
| 75 | + if (sourceStat.isDirectory()) { |
| 76 | + const files = await readdir(source) |
| 77 | + await Promise.all(files.map((file) => |
| 78 | + moveFile(join(source, file), join(destination, file), options, false, symlinks) |
| 79 | + )) |
| 80 | + } else if (sourceStat.isSymbolicLink()) { |
| 81 | + symlinks.push({ source, destination }) |
| 82 | + } else { |
| 83 | + await copyFile(source, destination) |
| 84 | + } |
| 85 | + } else { |
| 86 | + throw error |
| 87 | + } |
| 88 | + } |
| 89 | + |
| 90 | + if (root) { |
| 91 | + await Promise.all(symlinks.map(async ({ source: symSource, destination: symDestination }) => { |
| 92 | + let target = await readlink(symSource) |
| 93 | + // junction symlinks in windows will be absolute paths, so we need to |
| 94 | + // make sure they point to the symlink destination |
| 95 | + if (isAbsolute(target)) { |
| 96 | + target = resolve(symDestination, relative(symSource, target)) |
| 97 | + } |
| 98 | + // try to determine what the actual file is so we can create the correct |
| 99 | + // type of symlink in windows |
| 100 | + let targetStat |
| 101 | + try { |
| 102 | + targetStat = await stat(resolve(dirname(symSource), target)) |
| 103 | + } catch (err) {} |
| 104 | + await symlink( |
| 105 | + target, |
| 106 | + symDestination, |
| 107 | + targetStat && targetStat.isDirectory() ? 'junction' : 'file' |
| 108 | + ) |
| 109 | + })) |
| 110 | + await rimraf(source) |
| 111 | + } |
| 112 | +} |
| 113 | + |
| 114 | +const moveFileSync = (source, destination, options = {}, root = true, symlinks = []) => { |
| 115 | + if (!source || !destination) { |
| 116 | + throw new TypeError('`source` and `destination` file required') |
| 117 | + } |
| 118 | + |
| 119 | + options = { |
| 120 | + overwrite: true, |
| 121 | + ...options, |
| 122 | + } |
| 123 | + |
| 124 | + if (!options.overwrite && pathExistsSync(destination)) { |
| 125 | + throw new Error(`The destination file exists: ${destination}`) |
| 126 | + } |
| 127 | + |
| 128 | + mkdirp.sync(dirname(destination)) |
| 129 | + |
| 130 | + try { |
| 131 | + renameSync(source, destination) |
| 132 | + } catch (error) { |
| 133 | + if (error.code === 'EXDEV' || error.code === 'EPERM') { |
| 134 | + const sourceStat = lstatSync(source) |
| 135 | + if (sourceStat.isDirectory()) { |
| 136 | + const files = readdirSync(source) |
| 137 | + for (const file of files) { |
| 138 | + moveFileSync(join(source, file), join(destination, file), options, false, symlinks) |
| 139 | + } |
| 140 | + } else if (sourceStat.isSymbolicLink()) { |
| 141 | + symlinks.push({ source, destination }) |
| 142 | + } else { |
| 143 | + copyFileSync(source, destination) |
| 144 | + } |
| 145 | + } else { |
| 146 | + throw error |
| 147 | + } |
| 148 | + } |
| 149 | + |
| 150 | + if (root) { |
| 151 | + for (const { source: symSource, destination: symDestination } of symlinks) { |
| 152 | + let target = readlinkSync(symSource) |
| 153 | + // junction symlinks in windows will be absolute paths, so we need to |
| 154 | + // make sure they point to the symlink destination |
| 155 | + if (isAbsolute(target)) { |
| 156 | + target = resolve(symDestination, relative(symSource, target)) |
| 157 | + } |
| 158 | + // try to determine what the actual file is so we can create the correct |
| 159 | + // type of symlink in windows |
| 160 | + let targetStat |
| 161 | + try { |
| 162 | + targetStat = statSync(resolve(dirname(symSource), target)) |
| 163 | + } catch (err) {} |
| 164 | + symlinkSync( |
| 165 | + target, |
| 166 | + symDestination, |
| 167 | + targetStat && targetStat.isDirectory() ? 'junction' : 'file' |
| 168 | + ) |
| 169 | + } |
| 170 | + rimrafSync(source) |
| 171 | + } |
| 172 | +} |
| 173 | + |
| 174 | +module.exports = moveFile |
| 175 | +module.exports.sync = moveFileSync |
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