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perf: 优化reactivity模块createGetter复用逻辑 #106

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perf: 优化reactivity模块createGetter复用逻辑 #106

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15 changes: 3 additions & 12 deletions packages/reactivity/src/baseHandlers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,23 +16,14 @@ const shallowReadonlyGet = createGetter(true, true);

function createGetter(isReadonly = false, shallow = false) {
return function get(target, key, receiver) {
const isExistInReactiveMap = () =>
key === ReactiveFlags.RAW && receiver === reactiveMap.get(target);

const isExistInReadonlyMap = () =>
key === ReactiveFlags.RAW && receiver === readonlyMap.get(target);

const isExistInShallowReadonlyMap = () =>
key === ReactiveFlags.RAW && receiver === shallowReadonlyMap.get(target);

if (key === ReactiveFlags.IS_REACTIVE) {
return !isReadonly;
} else if (key === ReactiveFlags.IS_READONLY) {
return isReadonly;
} else if (
isExistInReactiveMap() ||
isExistInReadonlyMap() ||
isExistInShallowReadonlyMap()
key === ReactiveFlags.RAW &&
receiver ===
(isReadonly ? (shallow ? shallowReadonlyMap : readonlyMap) : reactiveMap).get(target)
) {
return target;
}
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