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我正在开发反应应用程序,我使用反应谷歌图表来显示带有注释的折线图。但是我遇到了折线图中列的角色属性问题,已经在工作组件中导入了 react-google-charts。下面是我的代码:

Home.tsx > 组件

import * as React from 'react';
import { Chart } from 'react-google-charts';
import GoogleDataTableColumnRoleType from 'react-google-charts/dist/types';

export class Home extends React.Component<IChildComponentProps,AddDataState> {
    
constructor(props) {
        super(props);

public render() {

 <div id="chart_div2">
     <Chart
            width={400}
            height={'300px'}
            chartType="LineChart"
            loader={<div>Loading Chart</div>}
            rows={this.state.o3TargetChart}
            columns={[
                {
                    type: "string",
                    label: "Week"
                },
                {
                    type: "number",
                    label: "O3Done"
                },
                {
                    type: "string",
                     role: GoogleDataTableColumnRoleType.annotation // getting error here
                   
                },
                {
                    type: "number",
                    label: "Target"
                }
            ]}
            options={{
                title: '',
                hAxis: {
                    title: 'Week', titleTextStyle: {
                    },
                    baselineColor: '#cccccc'
                },
                vAxis: {
                    title: 'O3 Coverage ( in %)', minValue: 0, maxValue: 100, titleTextStyle: {
                    },
                    baselineColor: '#cccccc',
                },
                pointsVisible: true,
                chartArea: {
                    left: 100
                },
                height: 400,
                width: 1000,
            }}
        />

                                    </div>

}

}

虽然我可以在 node_modules 目录下找到类型模块,如下所示:

node_modules\react-google-charts\dist\types.d.ts

已经按照其他人的建议在 webpack.config.js 文件中添加了以下代码:

 resolve: {
        extensions: ['', '.js', '.jsx']
    },

我仍然收到模块未找到错误。请建议..

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