1 files changed, 78 insertions, 0 deletions
diff --git a/node_modules/@npmcli/fs/lib/move-file.js b/node_modules/@npmcli/fs/lib/move-file.js
new file mode 100644
index 000000000..d56e06d38
--- /dev/null
+++ b/node_modules/@npmcli/fs/lib/move-file.js
@@ -0,0 +1,78 @@
+const { dirname, join, resolve, relative, isAbsolute } = require('path')
+const fs = require('fs/promises')
+
+const pathExists = async path => {
+  try {
+    await fs.access(path)
+    return true
+  } catch (er) {
+    return er.code !== 'ENOENT'
+  }
+}
+
+const moveFile = async (source, destination, options = {}, root = true, symlinks = []) => {
+  if (!source || !destination) {
+    throw new TypeError('`source` and `destination` file required')
+  }
+
+  options = {
+    overwrite: true,
+    ...options,
+  }
+
+  if (!options.overwrite && await pathExists(destination)) {
+    throw new Error(`The destination file exists: ${destination}`)
+  }
+
+  await fs.mkdir(dirname(destination), { recursive: true })
+
+  try {
+    await fs.rename(source, destination)
+  } catch (error) {
+    if (error.code === 'EXDEV' || error.code === 'EPERM') {
+      const sourceStat = await fs.lstat(source)
+      if (sourceStat.isDirectory()) {
+        const files = await fs.readdir(source)
+        await Promise.all(files.map((file) =>
+          moveFile(join(source, file), join(destination, file), options, false, symlinks)
+        ))
+      } else if (sourceStat.isSymbolicLink()) {
+        symlinks.push({ source, destination })
+      } else {
+        await fs.copyFile(source, destination)
+      }
+    } else {
+      throw error
+    }
+  }
+
+  if (root) {
+    await Promise.all(symlinks.map(async ({ source: symSource, destination: symDestination }) => {
+      let target = await fs.readlink(symSource)
+      // junction symlinks in windows will be absolute paths, so we need to
+      // make sure they point to the symlink destination
+      if (isAbsolute(target)) {
+        target = resolve(symDestination, relative(symSource, target))
+      }
+      // try to determine what the actual file is so we can create the correct
+      // type of symlink in windows
+      let targetStat = 'file'
+      try {
+        targetStat = await fs.stat(resolve(dirname(symSource), target))
+        if (targetStat.isDirectory()) {
+          targetStat = 'junction'
+        }
+      } catch {
+        // targetStat remains 'file'
+      }
+      await fs.symlink(
+        target,
+        symDestination,
+        targetStat
+      )
+    }))
+    await fs.rm(source, { recursive: true, force: true })
+  }
+}
+
+module.exports = moveFile