feat: templateFilter option

README.md

@@ -106,6 +106,13 @@ Default: `os.tmpdir()`
 
 The directory where the fixture will be created.
 
+
+##### templateFilter
+
+Type: `(source: string, destination: string) => boolean | Promise<boolean>`
+
+Function to filter files to copy when using a template path. Return `true` to copy the item, `false` to ignore it.
+
 ### Types
 #### FileTree
 

src/index.ts

@@ -1,5 +1,6 @@
-import fs from 'fs/promises';
-import path from 'path';
+import fs from 'node:fs/promises';
+import type { CopyOptions } from 'node:fs';
+import path from 'node:path';
 import { FsFixture } from './fs-fixture.js';
 import {
 	osTemporaryDirectory,
@@ -9,6 +10,8 @@ import {
 
 export { type FsFixtureType as FsFixture } from './fs-fixture.js';
 
+type FilterFunction = CopyOptions['filter'];
+
 type SymlinkType = 'file' | 'dir' | 'junction';
 
 class Symlink {
@@ -60,6 +63,12 @@ export type CreateFixtureOptions = {
 	 * Defaults to `os.tmpdir()`.
 	 */
 	tempDir?: string;
+
+	/**
+	 * Function to filter files to copy when using a template path.
+	 * Return `true` to copy the item, `false` to ignore it.
+	 */
+	templateFilter?: FilterFunction;
 };
 
 const flattenFileTree = (
@@ -129,7 +138,7 @@ export const createFixture = async (
 				fixturePath,
 				{
 					recursive: true,
-					// filter: source => !path.basename(source).startsWith('.'),
+					filter: options?.templateFilter,
 				},
 			);
 		} else if (typeof source === 'object') {