Whether you use promises, callbacks, try/catch blocks, or good ol’ if statements, sagas help you turn these stories into instructions. Testable, mockable, declarative instructions.
2015 was the year React took off and with it came many different patterns (some great, some not so great) to do the same thing. Luckily, the React community is starting to settle on best practices and this blog post does a great job of summarizing all of those.
In Lin Clark's latest edition of Code Cartoons she dives into the wonderful world of using Facebook's Relay. In part 1 of this 4 part series, Lin covers declarative data fetching with GraphQL.