refactor(test): use jest as test runner

Author: ghermet

.nycrc.json

@@ -0,0 +1,22 @@
+module.exports = {
+  preset: 'ts-jest',
+  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx'],
+  testEnvironment: 'node',
+  testMatch: [
+    '<rootDir>/**/__tests__/**/*.{js,jsx,ts,tsx}',
+    '<rootDir>/**/*.{spec,test}.{js,jsx,ts,tsx}',
+  ],
+  testPathIgnorePatterns: ['/node_modules/'],
+  globals: {
+    'ts-jest': {
+      tsconfig: 'tsconfig.json',
+      isolatedModules: true,
+    },
+  },
+  transform: {
+    '^.+\\.([t|j]sx?)$': 'ts-jest',
+  },
+  collectCoverage: true,
+  coverageReporters: ['text', 'html'],
+  coverageDirectory: './coverage',
+};

jest.config.js

@@ -13,8 +13,9 @@
     "README.md"
   ],
   "scripts": {
-    "test": "mocha --require ts-node/register 'test/**/*.spec.{ts,tsx}'",
-    "coverage": "nyc npm run test",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "coverage": "jest --coverage",
     "lint": "gts lint",
     "clean": "gts clean",
     "compile": "tsc",
@@ -36,9 +37,9 @@
     }
   },
   "devDependencies": {
-    "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@testing-library/react": "^12.1.3",
     "@types/chance": "^1.1.3",
+    "@types/jest": "^27.4.1",
     "@types/jsdom": "^16.2.14",
     "@types/mocha": "^9.0.0",
     "@types/nock": "^11.1.0",
@@ -49,14 +50,14 @@
     "chance": "^1.1.8",
     "eslint-plugin-prettier": "^4.0.0",
     "gts": "^3.1.0",
+    "jest": "^27.5.1",
     "jsdom": "^19.0.0",
     "mocha": "^9.1.3",
     "nock": "^13.2.0",
-    "nyc": "^15.1.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
-    "should": "^13.2.3",
     "sinon": "^12.0.1",
+    "ts-jest": "^27.1.4",
     "ts-node": "^10.4.0",
     "typescript": "^4.0.3"
   },