React Internals Deep Dive 33 - How does useInsertionEffect() works internally in React?

useInsertionEffect() allows us to run some effects before the DOM mutation is done, since Layout Effects are after DOM mutation, so this is the earliest timing we can get from effect hooks. Let’s try to figure out what is under the hood for useInsertionEffect(). read my blog post for more details: https://jser.dev/2023-07-02-use-insertion-effect/