feat(utils): 新增 inTaro

src/utils/inTaro.test.ts

@@ -0,0 +1,11 @@
+import { inTaro } from './inTaro'
+
+describe('inTaro', () => {
+  test('表现正常', () => {
+    expect(inTaro()).toBeFalse()
+    Object.defineProperty(navigator, 'product', {
+      value: 'Taro',
+    })
+    expect(inTaro()).toBeTrue()
+  })
+})

src/utils/inTaro.ts

@@ -0,0 +1,9 @@
+/**
+ * 检查是否在 [Taro 3](https://taro.js.org/) 中。
+ *
+ * @returns 返回检查结果
+ */
+export function inTaro(): boolean {
+  // ref: https://github.com/NervJS/taro/blob/next/packages/taro-runtime/src/bom/navigator.ts#L16
+  return typeof navigator !== 'undefined' && navigator.product === 'Taro'
+}

src/utils/index.ts

@@ -22,6 +22,7 @@ export * from './indent'
 export * from './inIOS'
 export * from './inMiniProgram'
 export * from './inNodeJS'
+export * from './inTaro'
 export * from './inWechat'
 export * from './isChineseIDCardNumber'
 export * from './isNumeric'