@uiw/react-baidu-map-polygon/esm/usePolygon.js

Baidu Map map-polygon Components for React.

import { useState, useEffect } from 'react';
import { useMapContext } from '@uiw/react-baidu-map-map';
import { noop, useEnableProperties, useProperties, useVisiable, useEventProperties } from '@uiw/react-baidu-map-utils';
export function usePolygon(props) {
  if (props === void 0) {
    props = {};
  }
  var {
    strokeColor,
    fillColor,
    strokeWeight,
    strokeOpacity,
    fillOpacity,
    strokeStyle,
    enableMassClear,
    enableEditing,
    enableClicking
  } = props;
  var {
    map
  } = useMapContext();
  var [polygon, setPolygon] = useState();
  var [path, setPath] = useState(props.path || []);
  var opts = {
    strokeColor,
    fillColor,
    strokeWeight,
    strokeOpacity,
    fillOpacity,
    strokeStyle,
    enableMassClear,
    enableEditing,
    enableClicking
  };
  useEffect(() => {
    if (!BMap || !map) return noop;
    var points = (path || []).map(item => new BMap.Point(item.lng, item.lat));
    var instance = new BMap.Polygon(points, opts);
    map.addOverlay(instance);
    setPolygon(instance);
    return function () {
      map.removeOverlay(instance);
    };
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [map]);
  useEffect(() => {
    if (path && polygon) {
      var points = path.map(item => new BMap.Point(item.lng, item.lat));
      polygon.setPath(points);
    }
  }, [polygon, path]);
  useVisiable(polygon, props);
  useEventProperties(polygon, props, ['Click', 'DoubleClick', 'MouseDown', 'MouseUp', 'MouseOut', 'MouseOver', 'Remove', 'LineUpdate']);
  useEnableProperties(polygon, props, ['Editing', 'MassClear']);
  // PositionAt
  useProperties(polygon, props, ['StrokeColor', 'StrokeOpacity', 'FillColor', 'FillOpacity', 'StrokeWeight', 'StrokeStyle']);
  return {
    polygon,
    setPolygon,
    path,
    setPath
  };
}