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Unify Derivation and Prism 7/n

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This commit is contained in:
Aria Minaei 2022-12-01 14:41:46 +01:00
parent 859cb40e0f
commit acf34d393d
25 changed files with 134 additions and 141 deletions
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10
packages/dataverse-experiments/src/Atom.ts
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@ -175,8 +175,8 @@ export const valueDerivation = <P extends PointerType<$IntentionalAny>>(
): IDerivation<P extends PointerType<infer T> ? T : void> => {
const meta = getPointerMeta(pointer)
let derivation = identityDerivationWeakMap.get(meta)
if (!derivation) {
let pr = identityDerivationWeakMap.get(meta)
if (!pr) {
const root = meta.root
if (!(root instanceof Atom)) {
throw new Error(
@ -184,13 +184,13 @@ export const valueDerivation = <P extends PointerType<$IntentionalAny>>(
)
}
const {path} = meta
derivation = new DerivationFromSource<$IntentionalAny>(
pr = new DerivationFromSource<$IntentionalAny>(
(listener) => root.onPathValueChange(path, listener),
() => root.getIn(path),
)
identityDerivationWeakMap.set(meta, derivation)
identityDerivationWeakMap.set(meta, pr)
}
return derivation as $IntentionalAny
return pr as $IntentionalAny
}
export const val = <P>(