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semlinker/type-name-generic.ts

Created October 15, 2022 15:19
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TypeName Utility Type
Raw
type-name-generic.ts
type TypeName<T> =
T extends string ? "string" :
T extends number ? "number" :
T extends boolean ? "boolean" :
T extends undefined ? "undefined" :
T extends Function ? "function" :
"object";
// "string" | "function"
type T10 = TypeName<string | (() => void)>;
// "string" | "object" | "undefined"
type T11 = TypeName<string | string[] | undefined>;
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