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refactor(reactivity): reuse computed getter check (#4623)

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zhangenming 2021-09-22 01:03:09 +08:00 committed by GitHub
parent 5addef8ecd
commit b264551c9b
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1 changed files with 3 additions and 6 deletions
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9
packages/reactivity/src/computed.ts
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@ -78,7 +78,8 @@ export function computed<T>(
let getter: ComputedGetter<T> let getter: ComputedGetter<T>
let setter: ComputedSetter<T> let setter: ComputedSetter<T>
if (isFunction(getterOrOptions)) { const onlyGetter = isFunction(getterOrOptions)
if (onlyGetter) {
getter = getterOrOptions getter = getterOrOptions
setter = __DEV__ setter = __DEV__
? () => { ? () => {
@ -90,11 +91,7 @@ export function computed<T>(
setter = getterOrOptions.set setter = getterOrOptions.set
} }
const cRef = new ComputedRefImpl( const cRef = new ComputedRefImpl(getter, setter, onlyGetter || !setter)
getter,
setter,
isFunction(getterOrOptions) || !getterOrOptions.set
)
if (__DEV__ && debugOptions) { if (__DEV__ && debugOptions) {
cRef.effect.onTrack = debugOptions.onTrack cRef.effect.onTrack = debugOptions.onTrack