Add whereDefined and mapCall methods to Collection class

2022-01-20 00:55:11 -06:00
parent 32050cb2ce
commit cfd555723b
2 changed files with 30 additions and 5 deletions
--- a/src/util/support/types.ts
+++ b/src/util/support/types.ts
@@ -68,3 +68,7 @@ export interface TypeTag<S extends string> {
 export type PrefixTypeArray<T, TArr extends unknown[]> = [T, ...TArr]
 export type SuffixTypeArray<TArr extends unknown[], T> = [...TArr, T]
 export type TypeArraySignature<TArr extends unknown[], TReturn> = (...params: TArr) => TReturn
+
+export type MethodsOf<T, TMethod = (...args: any[]) => any> = {
+    [K in keyof T]: T[K] extends TMethod ? K : never
+}[keyof T]