1 files changed, 30 insertions, 0 deletions
diff --git a/scripts/frontend/frontend_script_utils.js b/scripts/frontend/frontend_script_utils.js
new file mode 100644
index 00000000000..2c06747255c
--- /dev/null
+++ b/scripts/frontend/frontend_script_utils.js
@@ -0,0 +1,30 @@
+/* eslint import/no-commonjs: "off" */
+const execFileSync = require('child_process').execFileSync;
+
+const exec = (command, args) => {
+  const options = {
+    cwd: process.cwd(),
+    env: process.env,
+    encoding: 'utf-8',
+  };
+  return execFileSync(command, args, options);
+};
+
+const execGitCmd = args =>
+  exec('git', args)
+    .trim()
+    .toString()
+    .split('\n');
+
+module.exports = {
+  getStagedFiles: fileExtensionFilter => {
+    const gitOptions = [
+      'diff',
+      '--name-only',
+      '--cached',
+      '--diff-filter=ACMRTUB',
+    ];
+    if (fileExtensionFilter) gitOptions.push(...fileExtensionFilter);
+    return execGitCmd(gitOptions);
+  },
+};