fix(testing): type the jest nx preset (#15404)

barbados-clemens · FrozenPandaz · commit dd7eff10724c · 2023-03-03T17:00:24.000-05:00
(cherry picked from commit 456391e)
diff --git a/packages/jest/preset/jest-preset.ts b/packages/jest/preset/jest-preset.ts
@@ -1,4 +1,5 @@
-export const nxPreset = {
+import type { Config } from 'jest';
+export const nxPreset: Config = {
   // This is one of the patterns that jest finds by default https://jestjs.io/docs/configuration#testmatch-arraystring
   testMatch: ['**/?(*.)+(spec|test).[jt]s?(x)'],
   resolver: '@nrwl/jest/plugins/resolver',
