@cylution/eslint-config-nodejs

npm i -D eslint@^7 @cylution/eslint-config-nodejs

Usage

Edit .eslintrc or .eslintrc.js

module.exports = {
  env: {
    jest: true, // for jest
  },
  extends: [
    '@cylution/nodejs',
  ]
}

Extra steps for typescript

Normal

npm i -D @typescript-eslint/parser@^4 typescript

Edit .eslintrc or .eslintrc.js

module.exports = {
  env: {
    jest: true, // for jest
  },
  extends: [
    '@cylution/nodejs',
  ],
  overrides: [
    // typescript
    {
      files: ['*.ts', '*.tsx'],
      parser: '@typescript-eslint/parser',
    },
  ],
}

Typescript recommended

npm i -D typescript \
  @typescript-eslint/parser@^4 \
  @typescript-eslint/eslint-plugin@^4

# then, if `tsc` not found, open new terminal
tsc --init

Edit .eslintrc or .eslintrc.js

cat > .eslintrc.js <<EOF
module.exports = {
  env: {
    jest: true,
  },
  extends: [
    '@cylution/nodejs',
  ],
  overrides: [
    // typescript
    {
      files: ['*.ts', '*.tsx'],
      parser: '@typescript-eslint/parser',
      plugins: ['@typescript-eslint'],
      extends: [
        'plugin:@typescript-eslint/recommended'
      ],
      rules: {
        '@typescript-eslint/ban-ts-comment': 'off',
        '@typescript-eslint/no-explicit-any': 'off',
        '@typescript-eslint/type-annotation-spacing': ['warn', {
          before: false,
          after: true
        }],
      },
    },
  ],
}
EOF

Note

If you get error message like: Could not load/find module eslint-blahblah, please remove node_modules and run npm install or yarn to reinstall packages