feat: update eslint config (#22)

* feat: update eslint config

* chore: update renovate config

.projenrc.js

@@ -35,10 +35,18 @@ const project = new javascript.NodeProject({
   renovatebotOptions: {
     overrideConfig: {
       packageRules: [
+        {
+          matchPackagePatterns: ['.*'],
+          groupName: 'dependencies',
+        },
         {
           matchUpdateTypes: ['patch', 'minor'],
           groupName: 'dependencies (non-major)',
         },
+        {
+          matchManagers: ['github-actions'],
+          groupName: 'GitHub Actions Dependencies',
+        },
       ],
     },
   },

node.js

@@ -6,6 +6,7 @@ module.exports = {
     './rules/node',
     './rules/airbnb-overrides',
     './rules/restricted-imports',
+    './rules/import-sort',
     './rules/prettier',
   ].map(require.resolve),
 }

react.js

@@ -6,6 +6,7 @@ module.exports = {
     './rules/react',
     './rules/airbnb-overrides',
     './rules/restricted-imports',
+    './rules/import-sort',
     './rules/prettier',
   ].map(require.resolve),
 

rules/base.js

@@ -32,7 +32,9 @@ module.exports = {
     {
       extends: ['plugin:import/typescript', 'airbnb-typescript/base'],
       files: ['*.ts', '*.tsx'],
-      rules: {},
+      rules: {
+        'import/no-duplicates': ['error', { 'prefer-inline': true }],
+      },
     },
     {
       files: ['.eslintrc.js'],

rules/import-sort.js

@@ -0,0 +1,31 @@
+module.exports = {
+  plugins: ['simple-import-sort', 'import'],
+
+  rules: {
+    'simple-import-sort/exports': 'error',
+    'simple-import-sort/imports': [
+      'error',
+      {
+        groups: [
+          // Side effect imports.
+          ['^\\u0000'],
+          // Node.js builtins prefixed with `node:`.
+          ['^node:'],
+          ['^react'],
+          // Packages.
+          // Things that start with a letter (or digit or underscore), or `@` followed by a letter.
+          ['^@?\\w'],
+          // Absolute imports and other imports such as Vue-style `@/foo`.
+          // Anything not matched in another group.
+          ['^'],
+          // Parent imports. Put `..` last.
+          ['^\\.\\.(?!/?$)', '^\\.\\./?$'],
+          // Other relative imports. Put same-folder imports and `.` last.
+          ['^\\./(?=.*/)(?!/?$)', '^\\.(?!/?$)', '^\\./?$'],
+          // Style imports.
+          ['^.+\\.?(css)$'],
+        ],
+      },
+    ],
+  },
+}

rules/typescript.js

@@ -24,6 +24,8 @@ module.exports = {
 
         // https://typescript-eslint.io/blog/consistent-type-imports-and-exports-why-and-how/
         '@typescript-eslint/consistent-type-imports': 'error',
+
+        '@typescript-eslint/restrict-template-expressions': ['error', { allowNullish: true }],
       },
 
       overrides: [