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types(PropType): Allow undefined function to be used on PropType (#4405)

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This commit is contained in:
Carlos Rodrigues
2021-08-24 00:04:03 +01:00
committed by GitHub
parent 98263821f8
commit afd49b3e88
2 changed files with 6 additions and 1 deletions
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3
test-dts/defineComponent.test-d.tsx
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@@ -21,6 +21,7 @@ describe('with object props', () => {
b: string
e?: Function
h: boolean
j: undefined | (() => string | undefined)
bb: string
bbb: string
bbbb: string | undefined
@@ -55,6 +56,7 @@ describe('with object props', () => {
},
e: Function,
h: Boolean,
j: Function as PropType<undefined | (() => string | undefined)>,
// default value should infer type and make it non-void
bb: {
default: 'hello'
@@ -137,6 +139,7 @@ describe('with object props', () => {
expectType<ExpectedProps['b']>(props.b)
expectType<ExpectedProps['e']>(props.e)
expectType<ExpectedProps['h']>(props.h)
expectType<ExpectedProps['j']>(props.j)
expectType<ExpectedProps['bb']>(props.bb)
expectType<ExpectedProps['bbb']>(props.bbb)
expectType<ExpectedProps['bbbb']>(props.bbbb)