Fix glob for nested directories

index.js

@@ -3,6 +3,7 @@ const fs = require('fs');
 const path = require('path');
 const globby = require('globby');
 const pTry = require('p-try');
+const isPathInside = require('is-path-inside');
 const macos = require('./lib/macos');
 const linux = require('./lib/linux');
 const windows = require('./lib/windows');
@@ -24,19 +25,22 @@ module.exports = (paths, options) => pTry(() => {
 		});
 	}
 
-	paths = paths
-		.map(filePath => path.resolve(filePath))
-		.filter(filePath => {
-			try {
-				return fs.lstatSync(filePath);
-			} catch (error) {
-				if (error.code === 'ENOENT') {
-					return false;
-				}
-
-				throw error;
+	paths = paths.map(filePath => path.resolve(filePath));
+	paths = paths.filter(filePath => {
+		if (paths.some(otherPath => isPathInside(filePath, otherPath))) {
+			return false;
+		}
+
+		try {
+			return fs.lstatSync(filePath);
+		} catch (error) {
+			if (error.code === 'ENOENT') {
+				return false;
 			}
-		});
+
+			throw error;
+		}
+	});
 
 	if (paths.length === 0) {
 		return;

package.json

@@ -41,6 +41,7 @@
 	"dependencies": {
 		"escape-string-applescript": "^2.0.0",
 		"globby": "^7.1.1",
+		"is-path-inside": "^2.0.0",
 		"make-dir": "^1.3.0",
 		"move-file": "^1.0.0",
 		"p-map": "^2.0.0",

test.js

@@ -168,3 +168,31 @@ test('non-existent files', async t => {
 	t.false(fs.existsSync('fixture-enoent'));
 	await t.notThrowsAsync(trash('fixture-enoent'));
 });
+
+test('glob with nested directories', async t => {
+	const dir1 = 'foo';
+	const file1 = path.join('foo', 'bar.txt');
+	const file2 = path.join('foo', 'baz.txt');
+	const dir2 = path.join('foo', 'bar');
+	const dir3 = path.join('foo', 'baz');
+	const file3 = path.join(dir1, 'foo.txt');
+	const file4 = path.join(dir2, 'bar.txt');
+
+	fs.mkdirSync(dir1);
+	fs.mkdirSync(dir2);
+	fs.mkdirSync(dir3);
+	fs.writeFileSync(file1, '');
+	fs.writeFileSync(file2, '');
+	fs.writeFileSync(file3, '');
+	fs.writeFileSync(file4, '');
+	t.true(fs.existsSync(file1));
+	t.true(fs.existsSync(file2));
+	t.true(fs.existsSync(file3));
+	t.true(fs.existsSync(file4));
+
+	await trash(`${dir1}/**`, {glob: true});
+
+	t.false(fs.existsSync(dir1));
+	t.false(fs.existsSync(dir2));
+	t.false(fs.existsSync(dir3));
+});