migrated to tsup

.eslintrc.js

@@ -1,45 +1,17 @@
+/** @type {import("eslint").Linter.Config} */
 module.exports = {
+  extends: [
+    './config/eslint/javascript',
+    './config/eslint/typescript',
+    './config/eslint/import',
+    './config/eslint/unicorn',
+    'prettier',
+  ],
+  plugins: ['only-warn'],
+  reportUnusedDisableDirectives: true,
   env: {
-    es6: true,
-    browser: true,
     node: true,
-    // To fix '"describe" is not defined' and
-    // '"it" is not defined' errors in test files.
-    mocha: true,
-    // To fix '"expect" is not defined' error in test files.
-    jest: true,
-  },
-  extends: ['airbnb-base'],
-  globals: {
-    Atomics: 'readonly',
-    SharedArrayBuffer: 'readonly',
-  },
-  parser: '@typescript-eslint/parser',
-  parserOptions: {
-    ecmaVersion: 2018,
-    sourceType: 'module',
-  },
-  settings: {
-    'import/resolver': {
-      node: {
-        extensions: ['.js', '.ts'],
-      },
-    },
-  },
-  plugins: ['@typescript-eslint'],
-  rules: {
-    'arrow-body-style': 'off',
-    // To fix the 'Missing file extension "ts" for "../src"' in test folder.
-    // https://stackoverflow.com/a/59268871/10876256
-    'import/extensions': [
-      'error',
-      'ignorePackages',
-      {
-        js: 'never',
-        jsx: 'never',
-        ts: 'never',
-        tsx: 'never',
-      },
-    ],
+    browser: true,
   },
+  ignorePatterns: ['dist'],
 };

.github/workflows/main.yml

@@ -5,37 +5,25 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Begin CI...
+      - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Use Node 12
+      - name: Use Node 20
         uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 20.x
 
-      - name: Use cached node_modules
-        uses: actions/cache@v1
-        with:
-          path: node_modules
-          key: nodeModules-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            nodeModules-
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
-        env:
-          CI: true
+        run: npm ci
+
+      - name: Format
+        run: npm run format
 
       - name: Lint
-        run: yarn lint:fix
-        env:
-          CI: true
+        run: npm run lint
 
       - name: Test
-        run: yarn test --ci --coverage --maxWorkers=2
-        env:
-          CI: true
+        run: npm test
 
       - name: Build
-        run: yarn build
-        env:
-          CI: true
+        run: npm run build

.gitignore

@@ -3,4 +3,3 @@
 node_modules
 dist
 coverage
-.vscode

.husky/pre-commit

@@ -0,0 +1,2 @@
+npx lint-staged
+npm test

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "typescript.tsdk": "node_modules\\typescript\\lib"
+}

README.md

@@ -130,5 +130,3 @@ const [error, users] = await goTry<User[]>(() => getUsers());
 // or
 const [error, users] = goTrySync<User[]>(() => getUsersSync());
 ```
-
-_(This package is created by using [TSDX](https://github.com/formium/tsdx).)_

config/eslint/import.js

@@ -0,0 +1,18 @@
+const { resolve } = require('node:path');
+
+/** @type {import("eslint").Linter.Config} */
+module.exports = {
+  extends: ['plugin:import/recommended', 'plugin:import/typescript'],
+  settings: {
+    'import/resolver': {
+      typescript: {
+        project: resolve(process.cwd(), 'tsconfig.json'),
+      },
+    },
+  },
+  rules: {
+    'import/first': 'warn',
+    'import/newline-after-import': 'warn',
+    'import/no-duplicates': 'warn',
+  },
+};

config/eslint/javascript.js

@@ -0,0 +1,16 @@
+/** @type {import("eslint").Linter.Config} */
+module.exports = {
+  extends: ['eslint:recommended'],
+  rules: {
+    'no-console': 'warn',
+    'no-alert': 'warn',
+    'object-shorthand': 'warn',
+    // TODO: `curly` rule is not working when it is in this extended config file.
+    // But it works when set in root level `.eslintrc.js`.
+    curly: 'warn',
+    eqeqeq: 'warn',
+    'no-param-reassign': 'error',
+    'prefer-template': 'warn',
+    'no-nested-ternary': 'warn',
+  },
+};

config/eslint/typescript.js

@@ -0,0 +1,25 @@
+const { resolve } = require('node:path');
+
+/** @type {import("eslint").Linter.Config} */
+module.exports = {
+  overrides: [
+    {
+      files: ['*.ts'],
+      parserOptions: {
+        project: resolve(process.cwd(), 'tsconfig.json'),
+      },
+      // Contains all of recommended, recommended-type-checked, and strict,
+      // along with additional strict rules that require type information.
+      // https://typescript-eslint.io/linting/configs/#strict-type-checked
+      extends: ['plugin:@typescript-eslint/strict-type-checked'],
+      rules: {
+        '@typescript-eslint/prefer-destructuring': 'warn',
+        '@typescript-eslint/consistent-type-imports': 'warn',
+        '@typescript-eslint/no-misused-promises': [
+          'warn',
+          { checksVoidReturn: false },
+        ],
+      },
+    },
+  ],
+};

config/eslint/unicorn.js

@@ -0,0 +1,15 @@
+/** @type {import("eslint").Linter.Config} */
+module.exports = {
+  plugins: ['unicorn'],
+  // https://github.com/sindresorhus/eslint-plugin-unicorn/tree/main?tab=readme-ov-file#rules
+  rules: {
+    'unicorn/filename-case': [
+      'warn',
+      {
+        case: 'kebabCase',
+      },
+    ],
+    'unicorn/prefer-node-protocol': 'warn',
+    'unicorn/catch-error-name': 'warn',
+  },
+};

jest.config.js

@@ -0,0 +1,5 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};

lint-staged.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  '*': 'prettier --write --ignore-unknown',
+  '*.ts': 'eslint src --max-warnings 0 --fix',
+};