feat: add support for alias with tsconfig, eslint configuration and jest

.eslintrc

@@ -27,6 +27,17 @@
             "endOfLine": "auto"
           }
         ],
+        "import/extensions": [
+          "error",
+          "ignorePackages",
+          {
+            "js": "never",
+            "jsx": "never",
+            "ts": "never",
+            "tsx": "never",
+            "": "never"
+          }
+        ], // Avoid missing file extension errors when using '@/' alias
         "@typescript-eslint/comma-dangle": "off", // Avoid conflict rule between Eslint and Prettier
         "import/prefer-default-export": "off", // Named export is easier to refactor automatically
         "simple-import-sort/imports": "error", // Import configuration for `eslint-plugin-simple-import-sort`
@@ -46,7 +57,10 @@
       "extends": [
         "plugin:jest/recommended",
         "plugin:jest-formatting/recommended"
-      ]
+      ],
+      "rules": {
+        "jest/no-mocks-import": "off"
+      }
     }
   ]
 }

jest.config.js

@@ -3,6 +3,13 @@ module.exports = {
   transform: {
     '^.+\\.ts$': ['ts-jest'],
   },
+  moduleNameMapper: {
+    // Handle module aliases (this will be automatically configured for you soon)
+    '^@/(.*)$': '<rootDir>/src/$1',
+
+    '^__mocks__/(.*)$': '<rootDir>/__mocks__/$1',
+  },
+  clearMocks: true,
   collectCoverage: true,
   collectCoverageFrom: [
     './src/**/*.{js,ts}',

tsconfig.json

@@ -30,7 +30,10 @@
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
 
-    "baseUrl": "."
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
   },
   "exclude": ["./dist/**/*", "./node_modules/**/*"]
 }