refactor: 模块化重构 generator 和 runtime

src/generator/utils/html.js

@@ -0,0 +1,17 @@
+// HTML 转义函数，防止 XSS 攻击
+function escapeHtml(unsafe) {
+  if (unsafe === undefined || unsafe === null) {
+    return '';
+  }
+  return String(unsafe)
+    .replace(/&/g, '&')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/\"/g, '&quot;')
+    .replace(/'/g, '&#039;');
+}
+
+module.exports = {
+  escapeHtml,
+};
+