@pansy/react-mapbox-gl/es/components/Layer/utils.js

🌍 基于 Mapbox GL 封装的 React 组件库

var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
  for (var prop in b || (b = {}))
    if (__hasOwnProp.call(b, prop))
      __defNormalProp(a, prop, b[prop]);
  if (__getOwnPropSymbols)
    for (var prop of __getOwnPropSymbols(b)) {
      if (__propIsEnum.call(b, prop))
        __defNormalProp(a, prop, b[prop]);
    }
  return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));

// src/components/Layer/utils.ts
import { assert } from "../../utils/assert";
import { deepEqual } from "../../utils/deepEqual";
import { isStyleLoaded } from "../../utils/isStyleLoaded";
function createLayer(map, id, props) {
  if (isStyleLoaded(map) && (!("source" in props) || map.getSource(props.source))) {
    const options = __spreadProps(__spreadValues({}, props), { id });
    delete options.beforeId;
    map.addLayer(options, props.beforeId);
  }
}
function updateLayer(map, id, props, prevProps) {
  assert(props.id === prevProps.id, "layer id changed");
  assert(props.type === prevProps.type, "layer type changed");
  if (props.type === "custom" || prevProps.type === "custom") {
    return;
  }
  const { layout = {}, paint = {}, filter, minzoom, maxzoom, beforeId } = props;
  if (beforeId !== prevProps.beforeId) {
    map.moveLayer(id, beforeId);
  }
  if (layout !== prevProps.layout) {
    const prevLayout = prevProps.layout || {};
    for (const key in layout) {
      if (!deepEqual(layout[key], prevLayout[key])) {
        map.setLayoutProperty(id, key, layout[key]);
      }
    }
    for (const key in prevLayout) {
      if (!layout.hasOwnProperty(key)) {
        map.setLayoutProperty(id, key, void 0);
      }
    }
  }
  if (paint !== prevProps.paint) {
    const prevPaint = prevProps.paint || {};
    for (const key in paint) {
      if (!deepEqual(paint[key], prevPaint[key])) {
        map.setPaintProperty(id, key, paint[key]);
      }
    }
    for (const key in prevPaint) {
      if (!paint.hasOwnProperty(key)) {
        map.setPaintProperty(id, key, void 0);
      }
    }
  }
  if (!deepEqual(filter, prevProps.filter)) {
    map.setFilter(id, filter);
  }
  if (minzoom !== prevProps.minzoom || maxzoom !== prevProps.maxzoom) {
    map.setLayerZoomRange(id, minzoom, maxzoom);
  }
}
export {
  createLayer,
  updateLayer
};