redux-devtools/packages/redux-devtools-ui/src/Editor/WithTabs.tsx

import React, { Component, ComponentType } from 'react';
import Editor from './index.js';
import Tabs from '../Tabs/index.js';

const value1 = `
  const func1 = () => {}
`;

const value2 = `
  const func2 = () => {}
`;

export interface WithTabsProps {
  position: 'left' | 'right' | 'center';
  lineNumbers: boolean;
}

interface TabProps {
  value: string;
  lineNumbers: boolean;
}

/* eslint-disable react/prop-types */
export default class WithTabs extends Component<WithTabsProps> {
  state = {
    selected: 'Function 1',
  };

  render() {
    const { position, lineNumbers } = this.props;
    return (
      <Tabs<TabProps>
        tabs={[
          {
            name: 'Function 1',
            component: Editor as unknown as ComponentType<TabProps>,
            selector: () => ({ value: value1, lineNumbers }),
          },
          {
            name: 'Function 2',
            component: Editor as unknown as ComponentType<TabProps>,
            selector: () => ({ value: value2, lineNumbers }),
          },
        ]}
        selected={this.state.selected}
        onClick={(selected) => {
          this.setState({ selected });
        }}
        position={position}
      />
    );
  }
}