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feat(reactivity): add shallowReactive function (#689)

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This commit is contained in:
Dmitry Sharshakov
2020-02-04 18:15:27 +03:00
committed by GitHub
parent 2d56dfdc4f
commit 7f38c1e0ff
4 changed files with 44 additions and 3 deletions
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8
packages/reactivity/src/baseHandlers.ts
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@@ -12,6 +12,7 @@ const builtInSymbols = new Set(
)
const get = /*#__PURE__*/ createGetter()
const shallowReactiveGet = /*#__PURE__*/ createGetter(false, true)
const readonlyGet = /*#__PURE__*/ createGetter(true)
const shallowReadonlyGet = /*#__PURE__*/ createGetter(true, true)
@@ -54,6 +55,7 @@ function createGetter(isReadonly = false, shallow = false) {
}
const set = /*#__PURE__*/ createSetter()
const shallowReactiveSet = /*#__PURE__*/ createSetter(false, true)
const readonlySet = /*#__PURE__*/ createSetter(true)
const shallowReadonlySet = /*#__PURE__*/ createSetter(true, true)
@@ -165,6 +167,12 @@ export const readonlyHandlers: ProxyHandler<object> = {
}
}
export const shallowReactiveHandlers: ProxyHandler<object> = {
...mutableHandlers,
get: shallowReactiveGet,
set: shallowReactiveSet
}
// Props handlers are special in the sense that it should not unwrap top-level
// refs (in order to allow refs to be explicitly passed down), but should
// retain the reactivity of the normal readonly object.