flattenEach

描述

🌐 Description

遍历任何 GeoJSON 对象中的扁平化特性，类似于 Array.forEach。

🌐 Iterate over flattened features in any GeoJSON object, similar to Array.forEach.

参数

🌐 Parameters

名称	类型	描述
geojson	FeatureCollection | Feature | GeometryObject | GeometryCollection | Feature<GeometryCollection>	任何 GeoJSON 对象
callback	flattenEachCallback	一个接收 (currentFeature, featureIndex, multiFeatureIndex) 的方法

返回

🌐 Returns

void

示例

🌐 Examples

var features = turf.featureCollection([
  turf.point([26, 37], { foo: "bar" }),
  turf.multiPoint(
    [
      [40, 30],
      [36, 53],
    ],
    { hello: "world" },
  ),
]);

turf.flattenEach(
  features,
  function (currentFeature, featureIndex, multiFeatureIndex) {
    //=currentFeature
    //=featureIndex
    //=multiFeatureIndex
  },
);

安装

🌐 Installation

$ npm install @turf/meta

import { flattenEach } from "@turf/meta";
const result = flattenEach(...);

$ npm install @turf/turf

import * as turf from "@turf/turf";
const result = turf.flattenEach(...);