Higher order components have been a common pattern since early 2015. https://medium.com/@dan_abramov/mixins-are-dead-long-live-higher-order-components-94a0d2f9e

Higher order components have been a common pattern since early 2015. https://medium.com/@dan_abramov/mixins-are-dead-long-live-higher-order-components-94a0d2f9e750 https://medium.com/@dan_abramov/mixins-are-dead-long-live-hi... (And like others said, they are relatively simple and draw heavily on prior principles in functional programming.)