INNER CODE UNIT · JavaScript

delta

jfilter/react-native-onboarding-swiper · src/index.js:120

    const delta = currentX - this._dragStartOffset;
    const currentPage = this.props.pages[this.state.currentPage];
    const isRTLiOS = I18nManager.isRTL && Platform.OS === 'ios';

    // In RTL on iOS, scrolling left (negative delta) means forward
    const isForwardDrag = isRTLiOS ? delta < 0 : delta > 0;

    if (isForwardDrag && currentPage.canSwipeForward === false) {
      this.flatList.scrollToIndex({ index: this.state.currentPage, animated: false });
    } else if (!isForwardDrag && delta !== 0 && currentPage.canSwipeBackward === false) {
      this.flatList.scrollToIndex({ index: this.state.currentPage, animated: false });
    }
  };

  renderItem = ({ item }) => {
    const { image, title, subtitle, backgroundColor, background, isLight: pageLightOverride } = item;
    const isLight =
      pageLightOverride !== undefined

View source record →