2022年11月16日
[Typescript] 104. Hard - Tuple to Enum Object
摘要： The enum is an original syntax of TypeScript (it does not exist in JavaScript). So it is converted to like the following form as a result of transpila 阅读全文
posted @ 2022-11-16 22:35 Zhentiw 阅读(32) 评论(0) 推荐(0)
[Typescript] 107. Medium - FindIndex
摘要： Similar to Array.findIndex: type FindIndex<T extends readonly any[], K, ACC extends unknown[] = []> = T extends readonly [infer F, ...infer RT] ? K ex 阅读全文
posted @ 2022-11-16 22:34 Zhentiw 阅读(44) 评论(0) 推荐(0)
[Typescript]106. Medium - OnPropChangedMethods
摘要： type OnPropChangedMethods<T> = { [Key in keyof T & string as `${Key}Changed`]: (cb: (newValue: T[Key]) => void) => void } declare function makeWatched 阅读全文
posted @ 2022-11-16 15:02 Zhentiw 阅读(16) 评论(0) 推荐(0)
[Typescript] 105. Medium - Placeholder
摘要： type Placeholder<T extends string> = T extends `${string}{${infer P}}${infer REST}` ? P | Placeholder<REST> : never; declare function format<S extends 阅读全文
posted @ 2022-11-16 14:48 Zhentiw 阅读(29) 评论(0) 推荐(0)
[Typescript] 103. Hard - Tuple Filter
摘要： Implement a type FilterOut<T, F> that filters out items of the given type F from the tuple T. For example, type Filtered = FilterOut<[1, 2, null, 3], 阅读全文
posted @ 2022-11-16 02:19 Zhentiw 阅读(19) 评论(0) 推荐(0)