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refactor(reactive): reduce code size by assigning to a local variable (#1634)

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Zardddddd60 2020-07-21 22:33:09 +08:00 committed by GitHub
parent fb8e83f0c2
commit 3e412c10e0
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1 changed files with 6 additions and 11 deletions
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17
packages/reactivity/src/reactive.ts
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@ -141,12 +141,11 @@ function createReactiveObject(
return target return target
} }
// target already has corresponding Proxy // target already has corresponding Proxy
if ( const reactiveFlag = isReadonly
hasOwn(target, isReadonly ? ReactiveFlags.READONLY : ReactiveFlags.REACTIVE) ? ReactiveFlags.READONLY
) { : ReactiveFlags.REACTIVE
return isReadonly if (hasOwn(target, reactiveFlag)) {
? target[ReactiveFlags.READONLY] return target[reactiveFlag]
: target[ReactiveFlags.REACTIVE]
} }
// only a whitelist of value types can be observed. // only a whitelist of value types can be observed.
if (!canObserve(target)) { if (!canObserve(target)) {
@ -156,11 +155,7 @@ function createReactiveObject(
target, target,
collectionTypes.has(target.constructor) ? collectionHandlers : baseHandlers collectionTypes.has(target.constructor) ? collectionHandlers : baseHandlers
) )
def( def(target, reactiveFlag, observed)
target,
isReadonly ? ReactiveFlags.READONLY : ReactiveFlags.REACTIVE,
observed
)
return observed return observed
} }