55 lines
1.0 KiB
TypeScript
55 lines
1.0 KiB
TypeScript
import type {PascalCase} from './pascal-case';
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/**
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Convert object properties to pascal case recursively.
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This can be useful when, for example, converting some API types from a different style.
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@see PascalCase
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@see PascalCasedProperties
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@example
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```
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import type {PascalCasedPropertiesDeep} from 'type-fest';
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interface User {
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userId: number;
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userName: string;
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}
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interface UserWithFriends {
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userInfo: User;
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userFriends: User[];
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}
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const result: PascalCasedPropertiesDeep<UserWithFriends> = {
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UserInfo: {
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UserId: 1,
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UserName: 'Tom',
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},
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UserFriends: [
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{
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UserId: 2,
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UserName: 'Jerry',
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},
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{
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UserId: 3,
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UserName: 'Spike',
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},
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],
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};
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```
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@category Change case
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@category Template literal
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@category Object
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*/
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export type PascalCasedPropertiesDeep<Value> = Value extends Function | Date | RegExp
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? Value
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: Value extends Array<infer U>
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? Array<PascalCasedPropertiesDeep<U>>
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: Value extends Set<infer U>
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? Set<PascalCasedPropertiesDeep<U>> : {
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[K in keyof Value as PascalCase<K>]: PascalCasedPropertiesDeep<Value[K]>;
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};
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