fs: add maxDepth option to glob

Author: TheAlexLichter

benchmark/fs/bench-glob.js

@@ -16,15 +16,19 @@ const configs = {
   dir: ['lib'],
   pattern: ['**/*', '*.js', '**/**.js'],
   mode: ['sync', 'promise', 'callback'],
+  maxDepth: ['default', '2'],
   recursive: ['true', 'false'],
 };
 
 const bench = common.createBenchmark(main, configs);
 
 async function main(config) {
   const fullPath = path.resolve(benchmarkDirectory, config.dir);
-  const { pattern, recursive, mode } = config;
+  const { pattern, recursive, mode, maxDepth } = config;
   const options = { cwd: fullPath, recursive };
+  if (maxDepth !== 'default') {
+    options.maxDepth = Number(maxDepth);
+  }
   const callback = (resolve, reject) => {
     glob(pattern, options, (err, matches) => {
       if (err) {
@@ -44,7 +48,10 @@ async function main(config) {
         noDead = globSync(pattern, options);
         break;
       case 'promise':
-        noDead = await globAsync(pattern, options);
+        noDead = [];
+        for await (const match of globAsync(pattern, options)) {
+          noDead.push(match);
+        }
         break;
       case 'callback':
         noDead = await new Promise(callback);

doc/api/fs.md

@@ -1436,6 +1436,8 @@ changes:
     not supported.
   * `followSymlinks` {boolean} When `true`, symbolic links to directories are
     followed while expanding `**` patterns. **Default:** `false`.
+  * `maxDepth` {integer} Maximum number of directory levels to traverse.
+    The `cwd` directory has a depth of `0`. **Default:** `Infinity`.
   * `withFileTypes` {boolean} `true` if the glob should return paths as Dirents,
     `false` otherwise. **Default:** `false`.
 * Returns: {AsyncIterator} An AsyncIterator that yields the paths of files
@@ -3590,6 +3592,8 @@ changes:
     `true` to exclude the item, `false` to include it. **Default:** `undefined`.
   * `followSymlinks` {boolean} When `true`, symbolic links to directories are
     followed while expanding `**` patterns. **Default:** `false`.
+  * `maxDepth` {integer} Maximum number of directory levels to traverse.
+    The `cwd` directory has a depth of `0`. **Default:** `Infinity`.
   * `withFileTypes` {boolean} `true` if the glob should return paths as Dirents,
     `false` otherwise. **Default:** `false`.
 
@@ -6220,6 +6224,8 @@ changes:
     `true` to exclude the item, `false` to include it. **Default:** `undefined`.
   * `followSymlinks` {boolean} When `true`, symbolic links to directories are
     followed while expanding `**` patterns. **Default:** `false`.
+  * `maxDepth` {integer} Maximum number of directory levels to traverse.
+    The `cwd` directory has a depth of `0`. **Default:** `Infinity`.
   * `withFileTypes` {boolean} `true` if the glob should return paths as Dirents,
     `false` otherwise. **Default:** `false`.
 * Returns: {string\[]} paths of files that match the pattern.