ui: optimize service worker cache load

packages/hydrooj/src/handler/manage.ts

@@ -177,6 +177,7 @@ class SystemConfigHandler extends SystemHandler {
         let value = this.ctx.setting.configSource;
 
         const processNode = (node: any, schema: Schema<any, any>, parent?: any, accessKey?: string) => {
+            if (!node) return;
             if (['union', 'intersect'].includes(schema.type)) {
                 for (const item of schema.list) processNode(node, item, parent, accessKey);
             }
@@ -193,7 +194,9 @@ class SystemConfigHandler extends SystemHandler {
             const temp = yaml.load(this.ctx.setting.configSource);
             for (const schema of this.ctx.setting.settings) processNode(temp, schema);
             value = yaml.dump(temp);
-        } catch (e) { }
+        } catch (e) {
+            logger.error('Failed to process config', e.message);
+        }
         this.response.body = {
             schema: Schema.intersect(this.ctx.setting.settings).toJSON(),
             value,

packages/hydrooj/src/settings.ts

@@ -172,12 +172,10 @@ export class SettingService extends Service {
         });
         const that = this;
         const getAccess = (path: (string | symbol)[]) => {
-            if (path.some((p) => SettingService.blacklist.includes(p.toString()))) throw new Error('Invalid path');
+            if (path.some((p) => SettingService.blacklist.includes(p.toString()))) throw new Error(`Invalid path: ${path.join('.')}`);
             let currentValue = curValue;
-            for (const p of path) {
-                currentValue = currentValue[p];
-            }
-            if (typeof currentValue !== 'object' || !currentValue) return currentValue;
+            for (const p of path) currentValue = currentValue[p];
+            if (typeof currentValue !== 'object' || !currentValue || Array.isArray(currentValue)) return currentValue;
             return new Proxy(currentValue, {
                 get(self, key: string) {
                     return getAccess(path.concat(key));