bokuweb/react-resizable-box

import * as React from 'react';
import { Resizable } from '../src';
import { storiesOf } from '@storybook/react';
import { style } from './style';

const SouthEastArrow = () => (
  <svg width="20px" height="20px" version="1.1" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
    <path d="m70.129 67.086l1.75-36.367c-0.035156-2.6523-2.9414-3.6523-4.8164-1.7773l-8.4531 8.4531-17.578-17.574c-2.3438-2.3438-5.7188-1.5625-8.0586 0.78125l-13.078 13.078c-2.3438 2.3438-2.4141 5.0117-0.074219 7.3516l17.574 17.574-8.4531 8.4531c-1.875 1.875-0.83594 4.8203 1.8164 4.8555l36.258-1.8594c1.6836 0.019531 3.1328-1.2812 3.1133-2.9688z" />
  </svg>
);

const CustomHandle = props => (
  <div
    style={{
      background: '#fff',
      borderRadius: '2px',
      border: '1px solid #ddd',
      height: '100%',
      width: '100%',
      padding: 0,
    }}
    className={'SomeCustomHandle'}
    {...props}
  />
);
const BottomRightHandle = () => (
  <CustomHandle>
    <SouthEastArrow />
  </CustomHandle>
);

storiesOf('handle', module).add('bottomRight', () => (
  <Resizable
    style={style}
    defaultSize={{
      width: 500,
      height: 200,
    }}
    handleComponent={{
      bottomRight: <BottomRightHandle />,
    }}
  >
    bottomRight
  </Resizable>
));