index.js
function componentWillMount() {
  // Call this.constructor.gDSFP to support sub-classes.
  var state = this.constructor.getDerivedStateFromProps(this.props, this.state);
  if (state !== null && state !== undefined) {
    this.setState(state);
  }
}
function componentWillMount() {
  // Call this.constructor.gDSFP to support sub-classes.
  var state = this.constructor.getDerivedStateFromProps(this.props, this.state);
  if (state !== null && state !== undefined) {
    this.setState(state);
  }
}
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This source code is licensed under the MIT license found in the
LICENSE file in the root directory of this source tree.