feat: add jest testing for utility functions

jest.config.js

@@ -0,0 +1,19 @@
+module.exports = {
+    testEnvironment: 'node',
+    moduleFileExtensions: ['js', 'vue'],
+    transform: {
+        '^.+\\.js$': 'esbuild-jest'
+    },
+    moduleNameMapper: {
+        '^@/(.*)$': '<rootDir>/src/$1'
+    },
+    testMatch: ['<rootDir>/src/**/*.{test,spec}.js'],
+    testPathIgnorePatterns: [],
+    watchPathIgnorePatterns: ['<rootDir>/node_modules/', '<rootDir>/build/'],
+    coverageReporters: ['text', 'text-summary'],
+    collectCoverageFrom: [
+        'src/shared/utils/**/*.js',
+        '!src/shared/utils/**/*.test.js',
+        '!src/shared/utils/**/__tests__/**'
+    ]
+};