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33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
/**
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Simplifies a type while including and/or excluding certain types from being simplified. Useful to improve type hints shown in editors. And also to transform an interface into a type to aide with assignability.
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This type is **experimental** and was introduced as a result of this {@link https://github.com/sindresorhus/type-fest/issues/436 issue}. It should be used with caution.
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@internal
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@experimental
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@see Simplify
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@category Object
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*/
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export type ConditionalSimplify<Type, ExcludeType = never, IncludeType = unknown> = Type extends ExcludeType
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? Type
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: Type extends IncludeType
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? {[TypeKey in keyof Type]: Type[TypeKey]}
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: Type;
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/**
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Recursively simplifies a type while including and/or excluding certain types from being simplified.
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This type is **experimental** and was introduced as a result of this {@link https://github.com/sindresorhus/type-fest/issues/436 issue}. It should be used with caution.
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See {@link ConditionalSimplify} for usages and examples.
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@internal
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@experimental
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@category Object
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*/
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export type ConditionalSimplifyDeep<Type, ExcludeType = never, IncludeType = unknown> = Type extends ExcludeType
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? Type
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: Type extends IncludeType
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? {[TypeKey in keyof Type]: ConditionalSimplifyDeep<Type[TypeKey], ExcludeType, IncludeType>}
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: Type;
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