add clean script

Author: chaance

.gitignore

@@ -9,3 +9,8 @@ node_modules/
 
 /website-deploy-key
 /website-deploy-key.pub
+
+# v5 build files
+/packages/*/cjs/
+/packages/*/esm/
+/packages/*/umd/

scripts/clean.js

@@ -0,0 +1,11 @@
+import { execSync } from "child_process";
+
+execSync(`find . -name 'node_modules' -type d -prune -exec rm -rf '{}' +`, {
+  env: process.env,
+  stdio: "inherit"
+});
+
+execSync(`git clean -e '!/website-deploy-key' -e '!/website-deploy-key.pub' -fdX .`, {
+  env: process.env,
+  stdio: "inherit"
+});