jest (#216)

* Add jest test framework

* Remove console.logs

* Remove outdated preset that depended on vulnerable packages

.babelrc

@@ -0,0 +1,4 @@
+{
+    "presets": ["@babel/preset-env"],
+    "plugins": ["babel-plugin-transform-import-meta"]
+}

.github/workflows/lint.yaml

@@ -42,3 +42,5 @@ jobs:
         with:
           eslint: true
           prettier: true
+      - name: Run tests
+        run: npm test

jest.config.js

@@ -0,0 +1,24 @@
+/**
+ * For a detailed explanation regarding each configuration property, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+/** @type {import('jest').Config} */
+const config = {
+    // An array of file extensions your modules use
+    moduleFileExtensions: ['js', 'json', 'vue'],
+
+    // A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
+    moduleNameMapper: {
+        '^lodash-es$': 'lodash',
+    },
+
+    // The test environment that will be used for testing
+    testEnvironment: 'node',
+    transform: {
+        '.*\\.(vue)$': '@vue/vue3-jest',
+        '.*\\.(js)$': 'babel-jest',
+    },
+};
+
+export default config;