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refactor(reactivity): immediate return (#301)

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Tidyzq 2019-10-16 13:58:11 +08:00 committed by Evan You
parent 29811d1fe8
commit a72652f6e6
1 changed files with 24 additions and 23 deletions
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47
packages/reactivity/src/effect.ts
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@ -128,29 +128,30 @@ export function track(
return
}
const effect = activeReactiveEffectStack[activeReactiveEffectStack.length - 1]
if (effect) {
if (type === OperationTypes.ITERATE) {
key = ITERATE_KEY
}
let depsMap = targetMap.get(target)
if (depsMap === void 0) {
targetMap.set(target, (depsMap = new Map()))
}
let dep = depsMap.get(key!)
if (dep === void 0) {
depsMap.set(key!, (dep = new Set()))
}
if (!dep.has(effect)) {
dep.add(effect)
effect.deps.push(dep)
if (__DEV__ && effect.onTrack) {
effect.onTrack({
effect,
target,
type,
key
})
}
if (!effect) {
return
}
if (type === OperationTypes.ITERATE) {
key = ITERATE_KEY
}
let depsMap = targetMap.get(target)
if (depsMap === void 0) {
targetMap.set(target, (depsMap = new Map()))
}
let dep = depsMap.get(key!)
if (dep === void 0) {
depsMap.set(key!, (dep = new Set()))
}
if (!dep.has(effect)) {
dep.add(effect)
effect.deps.push(dep)
if (__DEV__ && effect.onTrack) {
effect.onTrack({
effect,
target,
type,
key
})
}
}
}