text: /* eslint-disable no-invalid-this */
  
  /**
   * Code originally borrowed from the Rapscallion project:
   * https://github.com/FormidableLabs/rapscallion/blob/44014d86a0855f7c3e438e6a9ee1e2ca07ff2cbe/src/render/state.js
   */
  
  export function syncSetState (newState, cb) {
    // Mutation is faster and should be safe here.
    this.state = Object.assign(
      this.state,
      typeof newState === "function" ?
        newState(this.state, this.props) :
        newState
    );
    if (cb) { cb.call(this); }
  }
  