Basic setup of the project.

jest.config.js

@@ -0,0 +1,22 @@
+module.exports = {
+    setupFilesAfterEnv: ['./scripts/jest.setup.js'],
+    preset: 'ts-jest',
+    testEnvironment: 'node',
+    testMatch: ['**/__tests__/**/*.test.ts', '**/?(*.)+(test).ts'],
+    testPathIgnorePatterns: ['\\.spec\\.ts$', '\\.performance\\.test\\.ts$'],
+    moduleDirectories: ['node_modules', 'src'],
+    moduleNameMapper: {
+        '^src/(.*)$': '<rootDir>/src/$1',
+    },
+    collectCoverage: true,
+    coverageDirectory: '.locale/coverage',
+    coverageReporters: ['text', 'lcov'],
+    coverageThreshold: {
+        global: {
+            branches: 80,
+            functions: 80,
+            lines: 80,
+            statements: 80,
+        },
+    },
+};