add deep option

closes #2

README.md

@@ -30,5 +30,6 @@ globSync({ patterns: ['src/*.ts', '!**/*.d.ts'] });
 - `cwd`: The current working directory in which to search. Defaults to `process.cwd()`.
 - `absolute`: Whether to return absolute paths. Defaults to `false`.
 - `dot`: Whether to allow entries starting with a dot. Defaults to `false`.
+- `deep`: Maximum depth of a directory. Defaults to `Infinity`.
 - `expandDirectories`: Whether to expand directories. Disable to best match `fast-glob`. Defaults to `true`.
 - `onlyDirectories`: Enable to only return directories. Defaults to `false`.

src/index.ts

@@ -8,6 +8,7 @@ export interface GlobOptions {
   patterns?: string[];
   ignore?: string[];
   dot?: boolean;
+  deep?: number;
   expandDirectories?: boolean;
   onlyDirectories?: boolean;
 }
@@ -60,6 +61,10 @@ function getFdirBuilder(options: GlobOptions, cwd: string) {
     relativePaths: true
   };
 
+  if (options.deep) {
+    fdirOptions.maxDepth = options.deep;
+  }
+
   if (options.absolute) {
     fdirOptions.relativePaths = false;
     fdirOptions.resolvePaths = true;

test/fixtures/.deep/a/a/a.ts

@@ -0,0 +1 @@
+export const h = 'h';

test/index.test.ts

@@ -40,14 +40,22 @@ test('dot', async () => {
   assert.deepEqual(files.sort(), [path.join('a', 'a.ts')]);
 });
 
+test('deep', async () => {
+  const files = await glob({ patterns: ['.deep/a/a/*.ts'], deep: 3, cwd });
+  assert.deepEqual(files.sort(), [path.join('.deep', 'a', 'a', 'a.ts')]);
+
+  const files2 = await glob({ patterns: ['.deep/a/a/*.ts'], deep: 2, cwd });
+  assert.deepEqual(files2.sort(), []);
+});
+
 test('absolute + dot', async () => {
   const files = await glob({ patterns: ['a/a.ts'], dot: true, cwd: path.join(cwd, '.a'), absolute: true });
-  assert.equal(files[0].slice(path.join(cwd, '.a').length + 1), path.join('a', 'a.ts'));
+  assert.deepEqual(files.sort(), [path.resolve(cwd, '.a', 'a', 'a.ts')]);
 });
 
 test('absolute', async () => {
   const files = await glob({ patterns: ['a/a.ts'], dot: true, cwd: path.join(cwd, '.a'), absolute: true });
-  assert.equal(files[0].slice(path.join(cwd, '.a').length + 1), path.join('a', 'a.ts'));
+  assert.deepEqual(files.sort(), [path.resolve(cwd, '.a', 'a', 'a.ts')]);
 });
 
 test('works with non-absolute cwd', async () => {