fix: avoid reading atom value twice

dai-shi · dai-shi · commit 9661e6fab6c1 · 2021-09-05T11:44:23.000+09:00
diff --git a/src/core/store.ts b/src/core/store.ts
@@ -140,6 +140,9 @@ export const createStore = (
     if (!('v' in atomState) || !Object.is(atomState.v, value)) {
       atomState.v = value
       ++atomState.r // increment revision
+      if (atomState.d.has(atom)) {
+        atomState.d.set(atom, atomState.r)
+      }
     }
     commitAtomState(atom, atomState, dependencies && prevDependencies)
   }

Original file line number	Diff line number	Diff line change
`@@ -140,6 +140,9 @@ export const createStore = (`
`140`	`140`	`if (!('v' in atomState) \|\| !Object.is(atomState.v, value)) {`
`141`	`141`	`atomState.v = value`
`142`	`142`	`++atomState.r // increment revision`
	`143`	`+ if (atomState.d.has(atom)) {`
	`144`	`+ atomState.d.set(atom, atomState.r)`
	`145`	`+ }`
`143`	`146`	`}`
`144`	`147`	`commitAtomState(atom, atomState, dependencies && prevDependencies)`
`145`	`148`	`}`