trpc-shield/eslint.config.js

tRPC permissions as another layer of abstraction!

import typescriptEslint from '@typescript-eslint/eslint-plugin'
import typescriptParser from '@typescript-eslint/parser'
import prettier from 'eslint-plugin-prettier'
import prettierConfig from 'eslint-config-prettier'

export default [
  {
    ignores: [
      'node_modules/**',
      'dist/**',
      'coverage/**',
      '*.config.js',
      '*.config.ts',
      'example/**',
      'package/**',
      '.releaserc.json'
    ]
  },
  {
    files: ['src/**/*.{ts,tsx}'],
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        project: './tsconfig.json'
      }
    },
    plugins: {
      '@typescript-eslint': typescriptEslint,
      prettier: prettier
    },
    rules: {
      ...typescriptEslint.configs.recommended.rules,
      ...prettierConfig.rules,

      // TypeScript specific rules  
      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/no-non-null-assertion': 'warn',
      '@typescript-eslint/prefer-nullish-coalescing': 'warn',
      '@typescript-eslint/prefer-optional-chain': 'error',
      '@typescript-eslint/ban-ts-comment': 'warn',
      '@typescript-eslint/no-unsafe-function-type': 'warn',
      
      // Relax strict type checking for library code
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-unsafe-member-access': 'off',
      '@typescript-eslint/no-unsafe-call': 'off',
      '@typescript-eslint/no-unsafe-return': 'off',
      '@typescript-eslint/no-unsafe-argument': 'off',
      '@typescript-eslint/only-throw-error': 'off',

      // General rules
      'no-console': 'warn',
      'prefer-const': 'error',
      'no-var': 'error',
      'object-shorthand': 'error',
      'prefer-template': 'error',

      // Prettier integration
      'prettier/prettier': 'error'
    }
  },
  {
    files: ['test/**/*.{ts,tsx}'],
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module'
      }
    },
    plugins: {
      '@typescript-eslint': typescriptEslint,
      prettier: prettier
    },
    rules: {
      ...typescriptEslint.configs.recommended.rules,
      ...prettierConfig.rules,
      
      // Relax some rules for test files
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-non-null-assertion': 'off',
      'no-console': 'off',
      '@typescript-eslint/no-unsafe-member-access': 'off',
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-unsafe-argument': 'off',
      '@typescript-eslint/no-unsafe-call': 'off',
      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      'prettier/prettier': 'error'
    }
  }
]