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Diffstat (limited to 'server/types/utils.ts')
-rw-r--r-- | server/types/utils.ts | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/server/types/utils.ts b/server/types/utils.ts new file mode 100644 index 000000000..55500d8c4 --- /dev/null +++ b/server/types/utils.ts | |||
@@ -0,0 +1,24 @@ | |||
1 | /* eslint-disable @typescript-eslint/array-type */ | ||
2 | |||
3 | export type FunctionPropertyNames<T> = { | ||
4 | [K in keyof T]: T[K] extends Function ? K : never | ||
5 | }[keyof T] | ||
6 | |||
7 | export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>> | ||
8 | |||
9 | export type PickWith<T, KT extends keyof T, V> = { | ||
10 | [P in KT]: T[P] extends V ? V : never | ||
11 | } | ||
12 | |||
13 | export type PickWithOpt<T, KT extends keyof T, V> = { | ||
14 | [P in KT]?: T[P] extends V ? V : never | ||
15 | } | ||
16 | |||
17 | // https://github.com/krzkaczor/ts-essentials Rocks! | ||
18 | export type DeepPartial<T> = { | ||
19 | [P in keyof T]?: T[P] extends Array<infer U> | ||
20 | ? Array<DeepPartial<U>> | ||
21 | : T[P] extends ReadonlyArray<infer U> | ||
22 | ? ReadonlyArray<DeepPartial<U>> | ||
23 | : DeepPartial<T[P]> | ||
24 | } | ||