chore: convert tslint to eslint

src/app/utils/dataUtil.ts

@@ -12,9 +12,9 @@ export function exist<T>(pageNum: number, pageSize: number, pageList: PageList<a
     if (pageList === undefined || pageList == null || pageList.length === 0) {
         return null;
     }
-    // tslint:disable-next-line:prefer-for-of
+    // eslint-disable-next-line @typescript-eslint/prefer-for-of
     for (let i = 0; i < pageList.length; i++) {
-        // tslint:disable-next-line:triple-equals
+        // eslint-disable-next-line eqeqeq
         if (pageList[i].pageNum == pageNum && pageList[i].pageSize == pageSize) {
             const ob: Observable<PageList<T>> = new Observable(o => {
                 o.next(pageList[i]);