diff options
Diffstat (limited to 'server/typings/utils.ts')
-rw-r--r-- | server/typings/utils.ts | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/server/typings/utils.ts b/server/typings/utils.ts index a86b05be2..24d43b258 100644 --- a/server/typings/utils.ts +++ b/server/typings/utils.ts | |||
@@ -1,3 +1,22 @@ | |||
1 | export type FunctionPropertyNames<T> = { [K in keyof T]: T[K] extends Function ? K : never }[keyof T] | 1 | export type FunctionPropertyNames<T> = { |
2 | [K in keyof T]: T[K] extends Function ? K : never | ||
3 | }[keyof T] | ||
2 | 4 | ||
3 | export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>> | 5 | export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>> |
6 | |||
7 | export type PickWith<T, KT extends keyof T, V> = { | ||
8 | [P in KT]: T[P] extends V ? V : never | ||
9 | } | ||
10 | |||
11 | export type PickWithOpt<T, KT extends keyof T, V> = { | ||
12 | [P in KT]?: T[P] extends V ? V : never | ||
13 | } | ||
14 | |||
15 | // https://github.com/krzkaczor/ts-essentials Rocks! | ||
16 | export type DeepPartial<T> = { | ||
17 | [P in keyof T]?: T[P] extends Array<infer U> | ||
18 | ? Array<DeepPartial<U>> | ||
19 | : T[P] extends ReadonlyArray<infer U> | ||
20 | ? ReadonlyArray<DeepPartial<U>> | ||
21 | : DeepPartial<T[P]> | ||
22 | } | ||