feat(h5):添加非微信JS-SDK下的getLocation API实现

packages/taro-h5/src/api/location/getLocation.ts

@@ -0,0 +1,88 @@
+import Taro from '@tarojs/api'
+import { processOpenApi, shouldBeObject } from '../utils'
+import { MethodHandler } from '../utils/handler'
+
+const getLocationInWeb: (options: Taro.getLocation.Option) => Promise<Taro.getLocation.SuccessCallbackResult | undefined> = (options: Taro.getLocation.Option): Promise<Taro.getLocation.SuccessCallbackResult | undefined> => {
+  // 断言 options 必须是 Object
+  const isObject = shouldBeObject(options)
+  if (!isObject.flag) {
+    const res = { errMsg: `getLocation:fail ${isObject.msg}` }
+    console.error(res.errMsg)
+    return Promise.reject(res)
+  }
+
+  // 解构回调函数
+  const { success, fail, complete } = options
+
+  const handle = new MethodHandler({ name: 'getLocation', success, fail, complete })
+
+  // let defaultMaximumAge =  5 * 1000 //允许取多久以内的缓存位置,Taro接口参数中没有定义
+
+  const positionOptions: PositionOptions = {
+
+    enableHighAccuracy: options.isHighAccuracy || (options.altitude != null), // 海拔定位需要高精度
+    timeout: options.highAccuracyExpireTime // 高精度定位超时时间
+    // maximumAge: defaultMaximumAge //允许取多久以内的缓存位置
+  }
+
+  // Web端API实现暂时仅支持GPS坐标系
+  if (options.type!.toUpperCase() !== 'WGS84') {
+    return handle.fail({
+      errMsg: 'This coordinate system type is not temporarily supported"'
+    })
+  }
+
+  // 判断当前浏览器是否支持位置API
+  const geolocationSupported = navigator.geolocation
+
+  if (!geolocationSupported) {
+    return handle.fail({
+      errMsg: 'getLocation:fail The current browser does not support this feature'
+    })
+  }
+
+  // 开始获取位置
+  return new Promise<Taro.getLocation.SuccessCallbackResult | undefined>(
+    (resolve, reject) => {
+      navigator.geolocation.getCurrentPosition(
+        (position) => {
+          const result: Taro.getLocation.SuccessCallbackResult = {
+            /** 位置的精确度 */
+            accuracy: position.coords.accuracy,
+            /** 高度，单位 m */
+            altitude: position.coords.altitude!,
+            /** 水平精度，单位 m */
+            horizontalAccuracy: position.coords.accuracy,
+            /** 纬度，范围为 -90~90，负数表示南纬 */
+            latitude: position.coords.latitude,
+            /** 经度，范围为 -180~180，负数表示西经 */
+            longitude: position.coords.longitude,
+            /** 速度，单位 m/s */
+            speed: position.coords.speed!,
+            /** 垂直精度，单位 m（Android 无法获取，返回 0） */
+            verticalAccuracy: position.coords.altitudeAccuracy || 0,
+            /** 调用结果 */
+            errMsg: 'getLocation:ok'
+          }
+          handle.success(result, resolve)
+        },
+        (error) => {
+          handle.fail({ errMsg: error.message }, reject)
+        },
+        positionOptions
+      )
+    }
+  )
+}
+
+const getGetLocationImpl = () => {
+  // @ts-ignore
+  // 在微信JS-SDK环境下调用openApi，否则调用Web API
+  if (window.wx) {
+    return processOpenApi('getLocation')
+  } else {
+    return getLocationInWeb
+  }
+}
+
+export const getLocation = getGetLocationImpl()

packages/taro-h5/src/api/location/index.ts

@@ -12,8 +12,8 @@ export const onLocationChange = temporarilyNotSupport('onLocationChange')
 export const offLocationChangeError = temporarilyNotSupport('offLocationChangeError')
 export const offLocationChange = temporarilyNotSupport('offLocationChange')
 
-export const getLocation = processOpenApi('getLocation')
-
 export const choosePoi = temporarilyNotSupport('choosePoi')
 
 export * from './chooseLocation'
+
+export * from './getLocation'