👌 REFACTOR: Refactored setup for Unit Test and added e2e test support

Author: ManiruzzamanAkash

.babelrc.js

@@ -0,0 +1,24 @@
+module.exports = {
+	plugins: [
+		[
+			'@wordpress/babel-plugin-import-jsx-pragma',
+			{
+				scopeVariable: 'createElement',
+				scopeVariableFrag: 'Fragment',
+				source: '@wordpress/element',
+				isDefault: false,
+			},
+		],
+		[
+			'@babel/plugin-transform-react-jsx',
+			{
+				pragma: 'createElement',
+				pragmaFrag: 'Fragment',
+			},
+		],
+	],
+	presets: [
+		['@babel/preset-env', { targets: { node: 'current' } }],
+		['@babel/preset-typescript'],
+	],
+};

jest-unit.config.js

@@ -0,0 +1,14 @@
+const jestPreset = require('@wordpress/jest-preset-default/jest-preset');
+
+// Modify the jest preset to support for unit and integration tests.
+const config = {
+    ...jestPreset,
+    transformIgnorePatterns: ['node_modules/(?!@wordpress)/'],
+    transform: {
+        '^.+\\.(js|jsx|ts|tsx)$': 'ts-jest',
+    },
+};
+
+config.setupFilesAfterEnv.push(require.resolve('./tests/unit/config/testing-library.js'))
+
+module.exports = config;