[Optimize] Add npm run clear (cocos#10879)

(cherry picked from commit 1779239)

Co-authored-by: Sijie <[email protected]>

package.json

@@ -20,6 +20,7 @@
     "checkout-engine-version": "node ./scripts/checkout-engine-version.js",
     "varify-engine-version": "node ./scripts/varify-engine-version.js",
     "fetch-ral": "node ./scripts/fetch-ral.js",
+    "clear": "node ./scripts/clear.js",
     "clear-platform": "node ./native/utils/clear-platform.js",
     "update:native-external": "node ./native/utils/update-external.js",
     "test": "gulp test",

scripts/clear.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const { removeSync } = require('fs-extra');
+const { join } = require('path');
+
+try {
+    console.log('Deleting The Build Cache');
+    removeSync(join(__dirname, '../bin'));
+
+    console.log('Deleting Debugging Information');
+    removeSync(join(__dirname, '../DebugInfos.json'));
+
+    console.log('Deleting `node_modules`');
+    removeSync(join(__dirname, '../node_modules'));
+
+} catch(error) {
+    console.error(error);
+    process.exit(-1);
+}