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摘要: Here we have a Sandwich type that's currently assigned to unknown We also have a couple of union types, BreadType and Filling, that have several optio 阅读全文
posted @ 2022-12-11 21:46 Zhentiw 阅读(44) 评论(0) 推荐(0)
摘要: Let's say we have an object as const: const frontendToBackendEnumMap = { singleModule: "SINGLE_MODULE", multiModule: "MULTI_MODULE", sharedModule: "SH 阅读全文
posted @ 2022-12-11 20:37 Zhentiw 阅读(36) 评论(0) 推荐(0)
摘要: Let's say we have a const of object: export const programModeEnumMap = { GROUP: "group", ANNOUNCEMENT: "announcement", ONE_ON_ONE: "1on1", SELF_DIRECT 阅读全文
posted @ 2022-12-11 20:35 Zhentiw 阅读(24) 评论(0) 推荐(0)
摘要: For example we have a discriminated union type: export type Event = | { type: "click"; event: MouseEvent; } | { type: "focus"; event: FocusEvent; } | 阅读全文
posted @ 2022-12-11 20:18 Zhentiw 阅读(62) 评论(0) 推荐(0)
摘要: Give a discriminated union: export type Event = | { type: "click"; event: MouseEvent; } | { type: "focus"; event: FocusEvent; } | { type: "keydown"; e 阅读全文
posted @ 2022-12-11 20:11 Zhentiw 阅读(49) 评论(0) 推荐(0)
摘要: Implement the type Filter<T, Predicate> takes an Array T, primitive type or union primitive type Predicate and returns an Array include the elements o 阅读全文
posted @ 2022-12-11 17:26 Zhentiw 阅读(30) 评论(0) 推荐(0)
摘要: Returns true if all elements of the list are equal to the second parameter passed in, false if there are any mismatches. For example type Test1 = [1, 阅读全文
posted @ 2022-12-11 00:03 Zhentiw 阅读(21) 评论(0) 推荐(0)
摘要: Imagine you make a super fancy input component as part of your design system. Imagine that a parent element (i.e. the component that renders the fancy 阅读全文
posted @ 2022-12-09 21:54 Zhentiw 阅读(61) 评论(0) 推荐(0)
摘要: A new hook for version 18 of React is useId. Frequently in React you need unique identifiers to associate two objects together. An example of this wou 阅读全文
posted @ 2022-12-09 21:50 Zhentiw 阅读(122) 评论(0) 推荐(0)
摘要: useLayoutEffect is almost the same as useEffect except that it's synchronous to render as opposed to scheduled like useEffect is. If you're migrating 阅读全文
posted @ 2022-12-09 21:47 Zhentiw 阅读(42) 评论(0) 推荐(0)
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