15 lines
420 B
TypeScript
15 lines
420 B
TypeScript
export type FunctionPropertyNames<T> = {
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[K in keyof T]: T[K] extends Function ? K : never
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}[keyof T]
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export type FunctionProperties<T> = Pick<T, FunctionPropertyNames<T>>
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export type ValueOf <T, KT extends keyof T> = T[KT]
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export type PickWith<T, KT extends keyof T, V> = {
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[P in KT]: T[P] extends V ? V : never
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}
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export type PickWithOpt<T, KT extends keyof T, V> = {
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[P in KT]?: T[P] extends V ? V : never
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}
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