From 6e0981d1df77e19ef8d697c72384b785c1d33204 Mon Sep 17 00:00:00 2001
From: Tom Xu <ycxzhkx@gmail.com>
Date: Fri, 23 Oct 2020 10:57:13 +0800
Subject: [PATCH] refactor(responsive-observe): improve typescript type
 (#27305)

---
 components/_util/responsiveObserve.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/components/_util/responsiveObserve.ts b/components/_util/responsiveObserve.ts
index d2da1decd0..65d535699e 100644
--- a/components/_util/responsiveObserve.ts
+++ b/components/_util/responsiveObserve.ts
@@ -1,5 +1,5 @@
 export type Breakpoint = 'xxl' | 'xl' | 'lg' | 'md' | 'sm' | 'xs';
-export type BreakpointMap = Partial<Record<Breakpoint, string>>;
+export type BreakpointMap = Record<Breakpoint, string>;
 export type ScreenMap = Partial<Record<Breakpoint, boolean>>;
 export type ScreenSizeMap = Partial<Record<Breakpoint, number>>;
 
@@ -44,7 +44,7 @@ const responsiveObserve = {
   },
   unregister() {
     Object.keys(responsiveMap).forEach((screen: Breakpoint) => {
-      const matchMediaQuery = responsiveMap[screen]!;
+      const matchMediaQuery = responsiveMap[screen];
       const handler = this.matchHandlers[matchMediaQuery];
       handler?.mql.removeListener(handler?.listener);
     });
@@ -52,7 +52,7 @@ const responsiveObserve = {
   },
   register() {
     Object.keys(responsiveMap).forEach((screen: Breakpoint) => {
-      const matchMediaQuery = responsiveMap[screen]!;
+      const matchMediaQuery = responsiveMap[screen];
       const listener = ({ matches }: { matches: boolean }) => {
         this.dispatch({
           ...screens,