feat(types): add TPredicate

closes #39
qiwi · May 21, 2019 · 7b09f8b · 7b09f8b
1 parent d17689f
commit 7b09f8b
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diff --git a/packages/types/src/main/TPredicate.ts b/packages/types/src/main/TPredicate.ts
@@ -0,0 +1 @@
+export type TPredicate = (...args: any[]) => boolean
diff --git a/packages/types/src/main/index.ts b/packages/types/src/main/index.ts
@@ -11,3 +11,4 @@ export { ICurrency } from './ICurrency'
 export { IPromiseConstructor, IPromise } from './IPromise'
 export { IStorage } from './IStorage'
 export { IMoney } from './IMoney'
+export { TPredicate } from './TPredicate'
diff --git a/packages/types/src/test/TPredicate.ts b/packages/types/src/test/TPredicate.ts
@@ -0,0 +1,4 @@
+import { TPredicate } from './index';
+
+const wrongPredicate: TPredicate = (a: number, b: number): number => a + b; // $ExpectError
+const predicate: TPredicate = (a: number, b: number): boolean => a > b;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		export type TPredicate = (...args: any[]) => boolean