chore: update jest config and add coverage report

Author: sheldon-welinga

jest.config.ts

@@ -1,8 +1,7 @@
 import type { JestConfigWithTsJest } from 'ts-jest';
 
 const config: JestConfigWithTsJest = {
-  preset: 'ts-jest/presets/default-esm',
-  extensionsToTreatAsEsm: ['.ts'],
+  preset: 'ts-jest',
   testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.(tsx?)$',
   testEnvironment: 'jest-environment-jsdom',
   moduleFileExtensions: ['ts', 'tsx', 'js'],

package.json

@@ -41,7 +41,7 @@
     "postversion": "git push && git push --tags",
     "lint": "eslint src/*.ts src/**/*.ts",
     "lint:fix": "eslint src/*.ts src/**/*.ts --quiet --fix",
-    "test": "jest",
+    "test": "jest --coverage",
     "ts-coverage": "typescript-coverage-report --threshold=86",
     "version": "yarn run format && git add -A src"
   },