setup babel for testing(jest)

babel.config.js

@@ -0,0 +1,13 @@
+module.exports = {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        targets: {
+          node: '14',
+        },
+      },
+    ],
+    '@babel/preset-typescript',
+  ],
+};

package.json

@@ -4,21 +4,27 @@
   "scripts": {
     "build": "tsc -b .",
     "lint": "lerna run lint",
-    "clean": "lerna run clean"
+    "clean": "lerna run clean",
+    "test": "lerna run test"
   },
   "devDependencies": {
+    "@babel/preset-env": "^7.14.4",
+    "@babel/preset-typescript": "^7.13.0",
+    "@types/jest": "^26.0.23",
     "@types/node": "^15.9.0",
     "@typescript-eslint/eslint-plugin": "^4.26.0",
     "@typescript-eslint/parser": "^4.26.0",
     "eslint": "^7.27.0",
     "eslint-config-airbnb-typescript": "^12.3.1",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-import": "^2.23.4",
+    "eslint-plugin-jest": "^24.3.6",
     "eslint-plugin-jsx-a11y": "^6.4.1",
     "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-react": "^7.24.0",
     "eslint-plugin-react-hooks": "^4.2.0",
     "eslint-plugin-simple-import-sort": "^7.0.0",
+    "jest": "^27.0.4",
     "lerna": "^4.0.0",
     "prettier": "2.3.0",
     "rimraf": "^3.0.2",

packages/components/.babelrc

@@ -0,0 +1,3 @@
+{
+  "extends": "../../babel.config.js"
+}

packages/components/__tests__/components.test.ts

@@ -1,7 +1,7 @@
-'use strict';
-
-const components = require('..');
+import components from '../src';
 
 describe('@mono-react-component-template/components', () => {
-    it('needs tests');
+  it('needs tests', () => {
+    expect(components('foo', 'bar')).toBe('foobar');
+  });
 });

packages/components/package.json

@@ -20,6 +20,6 @@
   "scripts": {
     "lint": "eslint src --ext js,ts,jsx,tsx",
     "clean": "rimraf dist *.tsbuildinfo",
-    "test": "echo \"Error: run tests from root\" && exit 1"
+    "test": "jest"
   }
 }

packages/core/.babelrc

@@ -0,0 +1,3 @@
+{
+  "extends": "../../babel.config.js"
+}

packages/core/__tests__/core.test.ts

@@ -1,7 +1,7 @@
-'use strict';
-
-const core = require('..');
+import core from '../src';
 
 describe('@mono-react-component-template/core', () => {
-    it('needs tests');
+  it('needs tests', () => {
+    expect(core('foo', 'bar')).toBe('foobar');
+  });
 });

packages/core/package.json

@@ -20,6 +20,6 @@
   "scripts": {
     "lint": "eslint src --ext js,ts,jsx,tsx",
     "clean": "rimraf dist *.tsbuildinfo",
-    "test": "echo \"Error: run tests from root\" && exit 1"
+    "test": "jest"
   }
 }