From b3c686c1e8967caf3313f57f14becbb9fe72ea26 Mon Sep 17 00:00:00 2001
From: ZHAO Jinxiang <xiaoxiangmoe@gmail.com>
Date: Mon, 18 Nov 2019 10:07:59 +0800
Subject: [PATCH] fix(module:core): add type guard for isNotNil (#4431)

---
 components/core/util/check.ts | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/components/core/util/check.ts b/components/core/util/check.ts
index 7b0178f549c..a7d7bd31a51 100644
--- a/components/core/util/check.ts
+++ b/components/core/util/check.ts
@@ -10,13 +10,11 @@ import { TemplateRef, Type } from '@angular/core';
 
 import { IndexableObject } from '../types/indexable';
 
-// tslint:disable-next-line:no-any
-export function isNotNil(value: any): boolean {
+export function isNotNil<T>(value: T): value is NonNullable<T> {
   return typeof value !== 'undefined' && value !== null;
 }
 
-// tslint:disable-next-line:no-any
-export function isNil(value: any): value is null | undefined {
+export function isNil(value: unknown): value is null | undefined {
   return typeof value === 'undefined' || value === null;
 }