feat(jest-expect): re-export Matchers and MatcherFunctionWithState interface

CHANGELOG.md

@@ -10,7 +10,7 @@
 - `[jest-environment-jsdom]` [**BREAKING**] Upgrade jsdom to 19.0.0 ([#12290](https://github.com/facebook/jest/pull/12290))
 - `[jest-environment-jsdom]` [**BREAKING**] Add default `browser` condition to `exportConditions` for `jsdom` environment ([#11924](https://github.com/facebook/jest/pull/11924))
 - `[jest-environment-node]` [**BREAKING**] Add default `node` and `node-addon` conditions to `exportConditions` for `node` environment ([#11924](https://github.com/facebook/jest/pull/11924))
-- `[@jest/expect]` New module which extends `expect` with `jest-snapshot` matchers ([#12404](https://github.com/facebook/jest/pull/12404), [#12410](https://github.com/facebook/jest/pull/12410))
+- `[@jest/expect]` New module which extends `expect` with `jest-snapshot` matchers ([#12404](https://github.com/facebook/jest/pull/12404), [#12410](https://github.com/facebook/jest/pull/12410), [#12418](https://github.com/facebook/jest/pull/12418))
 - `[@jest/expect-utils]` New module exporting utils for `expect` ([#12323](https://github.com/facebook/jest/pull/12323))
 - `[jest-resolver]` [**BREAKING**] Add support for `package.json` `exports` ([11961](https://github.com/facebook/jest/pull/11961))
 - `[jest-resolve, jest-runtime]` Add support for `data:` URI import and mock ([#12392](https://github.com/facebook/jest/pull/12392))

examples/expect-extend/toBeWithinRange.ts

@@ -48,9 +48,9 @@ expect.extend({
 
 declare module 'expect' {
   interface AsymmetricMatchers {
-    toBeWithinRange(a: number, b: number): void;
+    toBeWithinRange(floor: number, ceiling: number): void;
   }
   interface Matchers<R> {
-    toBeWithinRange(a: number, b: number): R;
+    toBeWithinRange(floor: number, ceiling: number): R;
   }
 }

examples/expect-extend/tsconfig.json

@@ -0,0 +1,6 @@
+{
+  "compilerOptions": {
+    "strict": true
+  },
+  "include": ["./**/*"]
+}

packages/jest-expect/src/index.ts

@@ -15,7 +15,13 @@ import {
 } from 'jest-snapshot';
 import type {JestExpect} from './types';
 
-export type {AsymmetricMatchers, MatcherFunction, MatcherState} from 'expect';
+export type {
+  AsymmetricMatchers,
+  Matchers,
+  MatcherFunction,
+  MatcherFunctionWithState,
+  MatcherState,
+} from 'expect';
 export type {JestExpect} from './types';
 
 function createJestExpect(): JestExpect {