mapDispatchToProps shortcut

index.js

// this
const mapDispatchToProps = dispatch => ({
  showHoverCart: () => dispatch(hoverCartActions.showHoverCart()),
  hideHoverCart: () => dispatch(hoverCartActions.hideHoverCart()),
  changeTab: index => dispatch(productActions.changeTab({ index })),
  zoomIn: isZoomedIn => dispatch(productActions.zoomIn({ isZoomedIn })),
  toggleNav: navState => dispatch(navActions.toggleNav({ navState })),
  addToRecentlyViewed: product =>
    dispatch(recentlyViewedActions.addToRecentlyViewed(product)),
})

// equals to this
// which is much less typing :D
const mapDispatchToProps = {
  showHoverCart: hoverCartActions.showHoverCart,
  hideHoverCart: hoverCartActions.hideHoverCart,
  changeTab: productActions.changeTab,
  zoomIn: productActions.zoomIn,
  toggleNav: navActions.toggleNav,
  addToRecentlyViewed: recentlyViewedActions.addToRecentlyViewed,
}