superset-frontend/packages/generator-superset/generators/plugin-chart/templates/src/MyChart.erb

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import React, { <%if (componentType == 'class') { %>PureComponent<% } %><%if (componentType == 'function') { %>useEffect<% } %>, createRef } from 'react';
import { styled } from '@superset-ui/core';
import { <%= packageLabel %>Props, <%= packageLabel %>StylesProps } from './types';

// The following Styles component is a <div> element, which has been styled using Emotion
// For docs, visit https://emotion.sh/docs/styled

// Theming variables are provided for your use via a ThemeProvider
// imported from @superset-ui/core. For variables available, please visit
// https://github.com/apache-superset/superset-ui/blob/master/packages/superset-ui-core/src/style/index.ts

const Styles = styled.div<<%= packageLabel %>StylesProps>`
  background-color: ${({ theme }) => theme.colors.secondary.light2};
  padding: ${({ theme }) => theme.gridUnit * 4}px;
  border-radius: ${({ theme }) => theme.gridUnit * 2}px;
  height: ${({ height }) => height};
  width: ${({ width }) => width};
  overflow-y: scroll;

  h3 {
    /* You can use your props to control CSS! */
    font-size: ${({ theme, headerFontSize }) => theme.typography.sizes[headerFontSize]};
    font-weight: ${({ theme, boldText }) => theme.typography.weights[boldText ? 'bold' : 'normal']};
  }
`;

/**
 * ******************* WHAT YOU CAN BUILD HERE *******************
 *  In essence, a chart is given a few key ingredients to work with:
 *  * Data: provided via `props.data`
 *  * A DOM element
 *  * FormData (your controls!) provided as props by transformProps.ts
 */

<%if (componentType == 'class') { %>export default class <%= packageLabel %> extends PureComponent<<%= packageLabel %>Props> {
  // Often, you just want to get a hold of the DOM and go nuts.
  // Here, you can do that with createRef, and componentDidMount.

  rootElem = createRef<HTMLDivElement>();

  componentDidMount() {
    const root = this.rootElem.current as HTMLElement;
    console.log('Plugin element', root);
  }

  render() {
    // height and width are the height and width of the DOM element as it exists in the dashboard.
    // There is also a `data` prop, which is, of course, your DATA 🎉
    console.log('Approach 1 props', this.props);
    const { data, height, width } = this.props;

    console.log('Plugin props', this.props);

    return (
      <Styles
        ref={this.rootElem}
        boldText={this.props.boldText}
        headerFontSize={this.props.headerFontSize}
        height={height}
        width={width}
      >
        <h3>{this.props.headerText}</h3>
        <pre>{JSON.stringify(data, null, 2)}</pre>
      </Styles>
    );
  }
}<% } %><%if (componentType == 'function') { %>export default function <%= packageLabel %>(props: <%= packageLabel %>Props) {
  // height and width are the height and width of the DOM element as it exists in the dashboard.
  // There is also a `data` prop, which is, of course, your DATA 🎉
  const { data, height, width } = props;

  const rootElem = createRef<HTMLDivElement>();

  // Often, you just want to get a hold of the DOM and go nuts.
  // Here, you can do that with createRef, and the useEffect hook.
  useEffect(() => {
    const root = rootElem.current as HTMLElement;
    console.log('Plugin element', root);
  });

  console.log('Plugin props', props);

  return (
    <Styles
      ref={rootElem}
      boldText={props.boldText}
      headerFontSize={props.headerFontSize}
      height={height}
      width={width}
    >
      <h3>{props.headerText}</h3>
      <pre>${JSON.stringify(data, null, 2)}</pre>
    </Styles>
  );
}<% } %>