Function componentWillUpdate

app/src/static/js/react-bootstrap.js:8008–8020

(nextProps, nextState)

}

function componentWillUpdate(nextProps, nextState) {
  try {
    var prevProps = this.props;
    var prevState = this.state;
    this.props = nextProps;
    this.state = nextState;
    this.__reactInternalSnapshotFlag = true;
    this.__reactInternalSnapshot = this.getSnapshotBeforeUpdate(prevProps, prevState);
  } finally {
    this.props = prevProps;
    this.state = prevState;
  }
} // React may warn about cWM/cWRP/cWU methods being deprecated.
// Add a flag to suppress these warnings for this special case.