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| author | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:10:59 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:41:44 +0800 |
| commit | fc87c009806dcc98867f6b58efe29b042aa01dee (patch) | |
| tree | 8f59b3f4a5b66e9dfef2d40c8d318e258a521228 /node_modules/fs-extra/lib/copy/copy-sync.js | |
| parent | 3336b2356ee6152d9c6ae59bd9b87ccbc0958407 (diff) | |
node: updatemain
Diffstat (limited to 'node_modules/fs-extra/lib/copy/copy-sync.js')
| -rw-r--r-- | node_modules/fs-extra/lib/copy/copy-sync.js | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/node_modules/fs-extra/lib/copy/copy-sync.js b/node_modules/fs-extra/lib/copy/copy-sync.js deleted file mode 100644 index 8bc60119..00000000 --- a/node_modules/fs-extra/lib/copy/copy-sync.js +++ /dev/null @@ -1,161 +0,0 @@ -'use strict' - -const fs = require('graceful-fs') -const path = require('path') -const mkdirsSync = require('../mkdirs').mkdirsSync -const utimesMillisSync = require('../util/utimes').utimesMillisSync -const stat = require('../util/stat') - -function copySync (src, dest, opts) { - if (typeof opts === 'function') { - opts = { filter: opts } - } - - opts = opts || {} - opts.clobber = 'clobber' in opts ? !!opts.clobber : true // default to true for now - opts.overwrite = 'overwrite' in opts ? !!opts.overwrite : opts.clobber // overwrite falls back to clobber - - // Warn about using preserveTimestamps on 32-bit node - if (opts.preserveTimestamps && process.arch === 'ia32') { - process.emitWarning( - 'Using the preserveTimestamps option in 32-bit node is not recommended;\n\n' + - '\tsee https://github.com/jprichardson/node-fs-extra/issues/269', - 'Warning', 'fs-extra-WARN0002' - ) - } - - const { srcStat, destStat } = stat.checkPathsSync(src, dest, 'copy', opts) - stat.checkParentPathsSync(src, srcStat, dest, 'copy') - if (opts.filter && !opts.filter(src, dest)) return - const destParent = path.dirname(dest) - if (!fs.existsSync(destParent)) mkdirsSync(destParent) - return getStats(destStat, src, dest, opts) -} - -function getStats (destStat, src, dest, opts) { - const statSync = opts.dereference ? fs.statSync : fs.lstatSync - const srcStat = statSync(src) - - if (srcStat.isDirectory()) return onDir(srcStat, destStat, src, dest, opts) - else if (srcStat.isFile() || - srcStat.isCharacterDevice() || - srcStat.isBlockDevice()) return onFile(srcStat, destStat, src, dest, opts) - else if (srcStat.isSymbolicLink()) return onLink(destStat, src, dest, opts) - else if (srcStat.isSocket()) throw new Error(`Cannot copy a socket file: ${src}`) - else if (srcStat.isFIFO()) throw new Error(`Cannot copy a FIFO pipe: ${src}`) - throw new Error(`Unknown file: ${src}`) -} - -function onFile (srcStat, destStat, src, dest, opts) { - if (!destStat) return copyFile(srcStat, src, dest, opts) - return mayCopyFile(srcStat, src, dest, opts) -} - -function mayCopyFile (srcStat, src, dest, opts) { - if (opts.overwrite) { - fs.unlinkSync(dest) - return copyFile(srcStat, src, dest, opts) - } else if (opts.errorOnExist) { - throw new Error(`'${dest}' already exists`) - } -} - -function copyFile (srcStat, src, dest, opts) { - fs.copyFileSync(src, dest) - if (opts.preserveTimestamps) handleTimestamps(srcStat.mode, src, dest) - return setDestMode(dest, srcStat.mode) -} - -function handleTimestamps (srcMode, src, dest) { - // Make sure the file is writable before setting the timestamp - // otherwise open fails with EPERM when invoked with 'r+' - // (through utimes call) - if (fileIsNotWritable(srcMode)) makeFileWritable(dest, srcMode) - return setDestTimestamps(src, dest) -} - -function fileIsNotWritable (srcMode) { - return (srcMode & 0o200) === 0 -} - -function makeFileWritable (dest, srcMode) { - return setDestMode(dest, srcMode | 0o200) -} - -function setDestMode (dest, srcMode) { - return fs.chmodSync(dest, srcMode) -} - -function setDestTimestamps (src, dest) { - // The initial srcStat.atime cannot be trusted - // because it is modified by the read(2) system call - // (See https://nodejs.org/api/fs.html#fs_stat_time_values) - const updatedSrcStat = fs.statSync(src) - return utimesMillisSync(dest, updatedSrcStat.atime, updatedSrcStat.mtime) -} - -function onDir (srcStat, destStat, src, dest, opts) { - if (!destStat) return mkDirAndCopy(srcStat.mode, src, dest, opts) - return copyDir(src, dest, opts) -} - -function mkDirAndCopy (srcMode, src, dest, opts) { - fs.mkdirSync(dest) - copyDir(src, dest, opts) - return setDestMode(dest, srcMode) -} - -function copyDir (src, dest, opts) { - fs.readdirSync(src).forEach(item => copyDirItem(item, src, dest, opts)) -} - -function copyDirItem (item, src, dest, opts) { - const srcItem = path.join(src, item) - const destItem = path.join(dest, item) - if (opts.filter && !opts.filter(srcItem, destItem)) return - const { destStat } = stat.checkPathsSync(srcItem, destItem, 'copy', opts) - return getStats(destStat, srcItem, destItem, opts) -} - -function onLink (destStat, src, dest, opts) { - let resolvedSrc = fs.readlinkSync(src) - if (opts.dereference) { - resolvedSrc = path.resolve(process.cwd(), resolvedSrc) - } - - if (!destStat) { - return fs.symlinkSync(resolvedSrc, dest) - } else { - let resolvedDest - try { - resolvedDest = fs.readlinkSync(dest) - } catch (err) { - // dest exists and is a regular file or directory, - // Windows may throw UNKNOWN error. If dest already exists, - // fs throws error anyway, so no need to guard against it here. - if (err.code === 'EINVAL' || err.code === 'UNKNOWN') return fs.symlinkSync(resolvedSrc, dest) - throw err - } - if (opts.dereference) { - resolvedDest = path.resolve(process.cwd(), resolvedDest) - } - if (stat.isSrcSubdir(resolvedSrc, resolvedDest)) { - throw new Error(`Cannot copy '${resolvedSrc}' to a subdirectory of itself, '${resolvedDest}'.`) - } - - // prevent copy if src is a subdir of dest since unlinking - // dest in this case would result in removing src contents - // and therefore a broken symlink would be created. - if (stat.isSrcSubdir(resolvedDest, resolvedSrc)) { - throw new Error(`Cannot overwrite '${resolvedDest}' with '${resolvedSrc}'.`) - } - return copyLink(resolvedSrc, dest) - } -} - -function copyLink (resolvedSrc, dest) { - fs.unlinkSync(dest) - return fs.symlinkSync(resolvedSrc, dest) -} - -module.exports = copySync |
