[Scripts > InjectPolyfill] Ensure node_modules exists

scripts/injectPolyfills.js

@@ -1,12 +1,14 @@
-const { readdirSync, copyFileSync } = require('fs');
+const { readdirSync, copyFileSync, mkdirSync } = require('fs');
 const { join } = require('path');
 
 const rootDir = join(__dirname, '..');
+const nodeModules = join(rootDir, 'src', 'node_modules');
+mkdirSync(nodeModules, { recursive: true }); // Ensure node_modules exists
 
 const polyfillsDir = join(rootDir, 'polyfills');
 for (const file of readdirSync(polyfillsDir)) {
   const [ name ] = file.split('.');
   const jsPath = join(polyfillsDir, file);
 
-  copyFileSync(jsPath, join(rootDir, 'src', 'node_modules', name + '.js'));
+  copyFileSync(jsPath, join(nodeModules, name + '.js'));
 }