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Let's say we have type TemplateLiteralKey = `${"user" | "post" | "comment"}${"Id" | "Name"}`; We want to make a type type ObjectOfKeys = unknown; In o 阅读全文
posted @ 2022-12-11 21:57
Zhentiw
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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
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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
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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
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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
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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
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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
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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
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