eslint.config.js

import globals from 'globals';
import tseslint from 'typescript-eslint';
import prettier from 'eslint-plugin-prettier';
import chaiExpect from 'eslint-plugin-chai-expect';
import js from '@eslint/js';

export default [
  {
    ignores: ['dist/', 'legacy/', 'node_modules/'],
  },
  js.configs.recommended,
  ...tseslint.configs.recommended,
  {
    files: ['src/**/*.ts', 'test/**/*.ts'],
    plugins: {
      prettier,
    },
    languageOptions: {
      globals: {
        ...globals.node,
      },
    },
    rules: {
      'prettier/prettier': [
        'error',
        {},
        {
          usePrettierrc: true,
        },
      ],
      'no-console': 'warn',
      '@typescript-eslint/no-unused-vars': [
        'error',
        { argsIgnorePattern: '^_' },
      ],
    },
  },
  {
    files: ['test/**/*.ts'],
    plugins: {
      'chai-expect': chaiExpect,
    },
    languageOptions: {
      globals: {
        ...globals.mocha,
      },
    },
    rules: {
      '@typescript-eslint/no-unused-expressions': 'off',
      'chai-expect/no-inner-compare': 'error',
      'chai-expect/missing-assertion': 'error',
      'chai-expect/terminating-properties': 'error',
    },
  },
];