d3版本6缩放功能不起作用“在d3选择中找不到导出事件”

问题描述

我已经使用npm install d3 && npm install @ types / d3 --save-dev安装了d3Charts。

package.json中的

d3版本信息

"dependencies": {
   "d3": "^6.1.1",}
"devDependencies": {
    .....
    "@types/d3": "^5.7.2",....
}

下面是代码段。 图表正常显示，仅在缩放功能上出现问题。

错误：“在'd3选择中找不到导出'事件'

import { DOCUMENT } from '@angular/common';
import { Component,Inject,OnInit } from '@angular/core';
import * as d3 from 'd3';

      let transform = d3.zoomIdentity.translate(200,0).scale(1);
      let zoom = d3.zoom().scaleExtent([0.5,10]).on("zoom",handleZoom);

  function handleZoom() {
          if ( svg ) {
              svg.attr("transform",d3.event.transform);
          }

在@types下，检查索引。d.ts

export * from 'd3-array';
export * from 'd3-axis';
export * from 'd3-brush';
export * from 'd3-chord';
export * from 'd3-collection';
export * from 'd3-color';
export * from 'd3-contour';
export * from 'd3-dispatch';
export * from 'd3-drag';
export * from 'd3-dsv';
export * from 'd3-ease';
export * from 'd3-fetch';
export * from 'd3-force';
export * from 'd3-format';
export * from 'd3-geo';
export * from 'd3-hierarchy';
export * from 'd3-interpolate';
export * from 'd3-path';
export * from 'd3-polygon';
export * from 'd3-quadtree';
export * from 'd3-random';
export * from 'd3-scale';
export * from 'd3-scale-chromatic';
export * from 'd3-selection';
export * from 'd3-shape';
export * from 'd3-time';
export * from 'd3-time-format';
export * from 'd3-timer';
export * from 'd3-transition';
export * from 'd3-voronoi';
export * from 'd3-zoom';

解决方法

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