feat(inMiniProgram): 在小程序中时，现在会返回小程序 API 挂载的全局对象

package.json

@@ -96,6 +96,7 @@
     "date-fns": "^2.14.0",
     "lodash": "^4.17.15",
     "lodash-es": "^4.17.15",
+    "miniprogram-api-typings": "^2.11.0-1",
     "react-use": "^15.1.1",
     "tslib": "^2.0.0",
     "yup": "^0.29.1"

src/utils/inMiniProgram.test.ts

@@ -1,8 +1,9 @@
+/// <reference types="miniprogram-api-typings" />
 import { inMiniProgram } from './inMiniProgram'
 
-const fakeMiniProgramFactory = {
-  getSystemInfo() {
-    return {}
+const fakeMiniProgramFactory: Partial<WechatMiniprogram.Wx> = {
+  getSystemInfoSync() {
+    return {} as any
   },
 }
 
@@ -16,13 +17,13 @@ describe('inMiniProgram', () => {
       wx: fakeMiniProgramFactory,
       my: fakeMiniProgramFactory,
     })
-    expect(inMiniProgram()).toBeTrue()
-    expect(inMiniProgram('微信')).toBeTrue()
+    expect(inMiniProgram()).toBe(fakeMiniProgramFactory)
+    expect(inMiniProgram('微信')).toBe(fakeMiniProgramFactory)
     expect(inMiniProgram('百度')).toBeFalse()
-    expect(inMiniProgram(['微信', '支付宝'])).toBeTrue()
+    expect(inMiniProgram(['微信', '支付宝'])).toBe(fakeMiniProgramFactory)
     Object.assign(window, {
       swan: fakeMiniProgramFactory,
     })
-    expect(inMiniProgram('百度')).toBeTrue()
+    expect(inMiniProgram('百度')).toBe(fakeMiniProgramFactory)
   })
 })

src/utils/inMiniProgram.ts

@@ -1,12 +1,13 @@
+/// <reference types="miniprogram-api-typings" />
 import { castArray } from 'lodash-es'
 
-declare const wx: any
-declare const qq: any
-declare const my: any
-declare const jd: any
-declare const swan: any
-declare const tt: any
-declare const dd: any
+declare const wx: WechatMiniprogram.Wx | undefined
+declare const qq: WechatMiniprogram.Wx | undefined
+declare const my: WechatMiniprogram.Wx | undefined
+declare const jd: WechatMiniprogram.Wx | undefined
+declare const swan: WechatMiniprogram.Wx | undefined
+declare const tt: WechatMiniprogram.Wx | undefined
+declare const dd: WechatMiniprogram.Wx | undefined
 
 const platforms = [
   '微信',
@@ -20,26 +21,35 @@ const platforms = [
 
 export type InMiniProgramPlatform = typeof platforms[number]
 
-const detectors: Record<InMiniProgramPlatform, () => boolean> = {
-  微信: () => typeof wx !== 'undefined' && !!wx.getSystemInfo,
-  QQ: () => typeof qq !== 'undefined' && !!qq.getSystemInfo,
-  支付宝: () => typeof my !== 'undefined' && !!my.getSystemInfo,
-  京东: () => typeof jd !== 'undefined' && !!jd.getSystemInfo,
-  百度: () => typeof swan !== 'undefined' && !!swan.getSystemInfo,
-  字节跳动: () => typeof tt !== 'undefined' && !!tt.getSystemInfo,
-  钉钉: () => typeof dd !== 'undefined' && !!dd.getSystemInfo,
+const factories: Record<
+  InMiniProgramPlatform,
+  () => false | WechatMiniprogram.Wx
+> = {
+  微信: () => typeof wx !== 'undefined' && wx,
+  QQ: () => typeof qq !== 'undefined' && qq,
+  支付宝: () => typeof my !== 'undefined' && my,
+  京东: () => typeof jd !== 'undefined' && jd,
+  百度: () => typeof swan !== 'undefined' && swan,
+  字节跳动: () => typeof tt !== 'undefined' && tt,
+  钉钉: () => typeof dd !== 'undefined' && dd,
 }
 
 /**
- * 检查是否在指定的小程序平台中。
+ * 检查是否在指定的小程序平台中，若在，返回承载其 API 的全局对象，若不在，返回 false。
  *
  * @param platform 指定的小程序平台，若未指定，则表示所有小程序平台
  * @returns 返回检查结果
  */
 export function inMiniProgram(
   platform?: InMiniProgramPlatform | InMiniProgramPlatform[],
-): boolean {
-  return (platform ? castArray(platform) : platforms).some(platform =>
-    detectors[platform](),
-  )
+): WechatMiniprogram.Wx | false {
+  for (const currentPlatform of platform ? castArray(platform) : platforms) {
+    if (factories[currentPlatform]) {
+      const mp = factories[currentPlatform]()
+      if (mp && typeof mp.getSystemInfoSync === 'function') {
+        return mp
+      }
+    }
+  }
+  return false
 }