S
SolidJS•2y ago
baxuz

disposing of a `createRoot` nested inside a `createEffect`?

I am creating a nested effect, like: 
createEffect(() => {
  // create nested effect
      createRoot(() => {
        createEffect(() => {
// ...
createEffect(() => {
  // create nested effect
      createRoot(() => {
        createEffect(() => {
// ...
Will the root be automatically disposed when the scope of the first createEffect gets disposed? How can I inspect that?
6 Replies
thetarnav
thetarnav•2y ago
1. roots won't ever be disposed manually - you control the disposal 2. not passing a parameter for the dispose function will actually create a "top-level" (unowned) root that doesn't have access to the context - creates it's own tree 3. you can use solid-devtools to see roots, where they are and when they are disposed
baxuz
baxuz•2y ago
what's the dispose function?
thetarnav
thetarnav•2y ago
createRoot(dispose => { dispose() })
baxuz
baxuz•2y ago
Oh thanks a lot! It's really obscure. How come it's not returned as a value on createroot? The scope seems kinda weird
thetarnav
thetarnav•2y ago
You can return anything from root, including the dispose function
baxuz
baxuz•2y ago
oh. I... Did not know that.
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