my-map提取默认数据

src/my-map/my-map.ts

@@ -10,15 +10,7 @@ import {
   LayerOption,
 } from './types'
 
-export default abstract class MyMap {
-  protected map
-  protected _listeners: Listeners
-  protected _controls: Controls
-  protected _layers: Layers
-
-  constructor(instance: any) {
-    this.map = instance
-    this._listeners = {
+const defaultListeners = {
   load: (cb: CallBack) => {
     console.error('on：此地图不存在 load 监听事件！')
   },
@@ -49,8 +41,9 @@ export default abstract class MyMap {
   mousewheel: (cb: CallBack) => {
     console.error('on：此地图不存在 mousewheel 监听事件！')
   },
-    }
-    this._controls = {
+}
+
+const defaultControls = {
   home: () => {
     console.error('set：此地图不存在 home 控件！')
   },
@@ -87,11 +80,22 @@ export default abstract class MyMap {
   bMapGalleryexpand: () => {
     console.error('set：此地图不存在 bMapGalleryexpand 控件！')
   },
-    }
-    this._layers = {
+}
+
+const defaultLayers = {
   point: () => console.error('add：此地图不存在 point 覆盖物！'),
   line: () => console.error('add：此地图不存在 line 覆盖物！'),
-    }
+  polygon: () => console.error('add：此地图不存在 polygon 覆盖物！'),
+}
+
+export default abstract class MyMap {
+  protected map
+  protected _listeners: Listeners = defaultListeners
+  protected _controls: Controls = defaultControls
+  protected _layers: Layers = defaultLayers
+
+  constructor(instance: any) {
+    this.map = instance
   }
 
   /**
@@ -137,24 +141,24 @@ export default abstract class MyMap {
    * zoom in
    * @param options 参数
    */
-  abstract zoomIn(options?: ZoomOptions): unknown
+  abstract zoomIn(options?: ZoomOptions): void
   /**
    * zoom out
    * @param options 参数
    */
-  abstract zoomOut(options?: ZoomOptions): unknown
+  abstract zoomOut(options?: ZoomOptions): void
   /**
    * zoom to
    * @param level 等级
    * @param options 参数
    */
-  abstract zoomTo(level: number, options?: ZoomOptions): unknown
+  abstract zoomTo(level: number, options?: ZoomOptions): void
   /**
    * 聚焦
    * @param location 坐标
    * @param options 参数
    */
-  abstract focus(location: Location, options?: FocusOptions): unknown
+  abstract focus(location: Location, options?: FocusOptions): void
 
   /**
    * 移除覆盖物

src/my-map/types.ts

@@ -143,6 +143,10 @@ export interface Controls {
   bMapGallery: (options?: ControlOptions) => void
   bMapGalleryexpand: (options?: ControlOptions) => void
 }
+
+/**
+ * zoom配置参数（维智地图用）
+ */
 export interface ZoomOptions {
   /** 如果 false ，则没有动画效果（默认true） */
   animate?: boolean
@@ -154,6 +158,9 @@ export interface ZoomOptions {
   offset?: [number, number]
 }
 
+/**
+ * focus配置参数（测绘院地图只有zoom有用）
+ */
 export interface FocusOptions {
   /**地图缩放等级（默认当前等级） */
   zoom?: number