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1-5-实现Tuple to Object #5

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wadeewang opened this issue Mar 3, 2023 · 0 comments

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wadeewang commented Mar 3, 2023

//你的答案
我们需要从数组中获取所有的值，并将其作为新对象中的键和值。

这个使用索引类型很容易。我们可以通过使用 T[number]从数组中获取值。在映射类型的 帮助下，我们可以迭代 T[number]中的这些值，并返回一个新的类型，其中键和值 是 T[number]的类型:

type TupleToObject<T extends readonly string[]> = { [K in T[number]]: K };

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