使用 webpack 导入 d3 和 d3-cloud

Ami*_*M S 5 javascript word-cloud d3.js angularjs ecmascript-6

所以,我一直在尝试将d3d3-cloud(用于词云)导入到我的 AngularJs(v - 1.4) 应用程序中。我这样做是通过 -
import d3 from 'd3'
import d3Cloud from 'd3-cloud'

当我尝试像d3.layout.cloud()一样使用 d3-cloud 时,我收到以下错误

_d2.default.layout.cloud is not a function

mQu*_*roz -1

import { Component, Input, AfterViewInit } from '@angular/core';

//  import and assign libs  **
    import d3 from 'd3' 
    import * as cloud from 'd3-cloud'


@Component({
  selector: 'word-cloud',
  templateUrl: './word-cloud.component.html',
  styleUrls: ['./word-cloud.component.scss'],
  providers: []
})

export class WordCloudComponent implements AfterViewInit {
  constructor() { }


  ngAfterViewInit() {

    d3.scale.category20();
    let layout = cloud()
       .size([ width   ,  height   ])
      .words(data)
      .rotate(function () ...)
      .spiral('rectangular')
      .fontSize(function () ...)
      .on("end", function () ...)
      .start();

}
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