Preact lifecycle methods

preact-lifecycle.js

class Foo extends Component {
  shouldComponentUpdate(nextProps, nextState) {
  componentWillReceiveProps(nextProps, nextState) {
    this.props   // previous props
    this.state    // previous state
  }
  componentWillMount() {
  componentDidMount() {
  componentDidUpdate() {
  componentWillUnmount() {
    this.props  // current
    this.state  // current
  }
  render(props, state) {
    props===this.props
    state===this.state
  }
}