Method componentDidUpdate

src/react-list.js:131–151

(prevProps)

  }

  componentDidUpdate(prevProps) {
    // Viewport scroll is no longer useful if axis changes
    if (this.props.axis !== prevProps.axis) this.clearSizeCache();

    // If the list has reached an unstable state, prevent an infinite loop.
    if (this.unstable) return;

    if (++this.updateCounter > MAX_SYNC_UPDATES) {
      this.unstable = true;
      return console.error(UNSTABLE_MESSAGE);
    }

    if (!this.updateCounterTimeoutId) {
      this.updateCounterTimeoutId = setTimeout(() => {
        this.updateCounter = 0;
        delete this.updateCounterTimeoutId;
      }, 0);
    }

    this.updateFrame();
  }

  maybeSetState(b, cb) {
    if (isEqualSubset(this.state, b)) return cb();