[core] Add TmpDir (from PLUS)

src/utils/tmpdir.ts

@@ -0,0 +1,47 @@
+import * as fs from 'fs/promises';
+import * as os from 'os';
+import * as path from 'path';
+import { Logger } from 'pino';
+
+function sanitize(input: string) {
+  return input.replace(/[^a-zA-Z0-9-_]/g, '_');
+}
+
+export class TmpDir {
+  private readonly prefix: string;
+  constructor(
+    private logger: Logger,
+    prefix: string,
+    private cleanupTimeout = 10_000,
+  ) {
+    this.prefix = sanitize(prefix);
+    if (this.prefix.length > 249) {
+      this.prefix = this.prefix.slice(0, 249);
+    }
+  }
+
+  /**
+   * Creates a temporary directory and passes it to the callback.
+   * The directory is automatically cleaned up after the callback returns.
+   * @param callback Function that receives the temporary directory path
+   * @returns The result of the callback
+   */
+  public async use<T>(callback: (dir: string) => Promise<T>): Promise<T> {
+    const dir = await fs.mkdtemp(path.join(os.tmpdir(), this.prefix));
+    try {
+      return await callback(dir);
+    } finally {
+      setTimeout(async () => {
+        fs.rm(dir, { recursive: true, force: true })
+          .then(() => {
+            this.logger.trace(`Cleaned up temporary directory '${dir}'`);
+          })
+          .catch((err) => {
+            this.logger.warn(
+              `Failed to clean up temporary directory '${dir}': ${err.message}`,
+            );
+          });
+      }, this.cleanupTimeout);
+    }
+  }
+}