Initial commit

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

node_modules/cacache/lib/util/tmp.js

@@ -0,0 +1,26 @@
+'use strict'
+
+const { withTempDir } = require('@npmcli/fs')
+const fs = require('fs/promises')
+const path = require('path')
+
+module.exports.mkdir = mktmpdir
+
+async function mktmpdir (cache, opts = {}) {
+  const { tmpPrefix } = opts
+  const tmpDir = path.join(cache, 'tmp')
+  await fs.mkdir(tmpDir, { recursive: true, owner: 'inherit' })
+  // do not use path.join(), it drops the trailing / if tmpPrefix is unset
+  const target = `${tmpDir}${path.sep}${tmpPrefix || ''}`
+  return fs.mkdtemp(target, { owner: 'inherit' })
+}
+
+module.exports.withTmp = withTmp
+
+function withTmp (cache, opts, cb) {
+  if (!cb) {
+    cb = opts
+    opts = {}
+  }
+  return withTempDir(path.join(cache, 'tmp'), cb, opts)
+}