packages/common/utils.ts

@@ -1,8 +1,7 @@
 import { isDef, isNumber, isPlainObject, isPromise } from './validator';
-import { canIUseGroupSetData, canIUseNextTick, getSystemInfoSync } from './version';
+import { canIUseGroupSetData, canIUseNextTick } from './version';
 
 export { isDef } from './validator';
-export { getSystemInfoSync } from './version';
 
 export function range(num: number, min: number, max: number) {
   return Math.min(Math.max(num, min), max);
@@ -18,6 +17,15 @@ export function nextTick(cb: (...args: any[]) => void) {
   }
 }
 
+let systemInfo: WechatMiniprogram.SystemInfo;
+export function getSystemInfoSync() {
+  if (systemInfo == null) {
+    systemInfo = wx.getSystemInfoSync();
+  }
+
+  return systemInfo;
+}
+
 export function addUnit(value?: string | number): string | undefined {
   if (!isDef(value)) {
     return undefined;

packages/common/version.ts

@@ -1,11 +1,4 @@
-let systemInfo: WechatMiniprogram.SystemInfo;
-export function getSystemInfoSync() {
-  if (systemInfo == null) {
-    systemInfo = wx.getSystemInfoSync();
-  }
-
-  return systemInfo;
-}
+import { getSystemInfoSync } from './utils';
 
 function compareVersion(v1, v2) {
   v1 = v1.split('.');
@@ -57,11 +50,7 @@ export function canIUseGroupSetData() {
 }
 
 export function canIUseNextTick() {
-  try {
-    return wx.canIUse('nextTick');
-  } catch (e) {
-    return gte('2.7.1');
-  }
+  return wx.canIUse('nextTick');
 }
 
 export function canIUseCanvas2d() {