.eslintrc.js

module.exports = {
  env: {
    browser: true,
    commonjs: true,
    es2021: true,
    mocha: true,
    node: true,
  },
  extends: ['eslint:recommended', 'plugin:prettier/recommended'],
  parserOptions: {
    ecmaVersion: 12,
  },
  rules: {
    'no-unused-vars': 'warn',
    'no-console': 'off',
    'func-names': 'off',
    'no-process-exit': 'off',
    'object-shorthand': 'off',
    'class-methods-use-this': 'off',
    'no-underscore-dangle': 'off',
    'max-len': ['warn', { code: 120 }],
    'no-param-reassign': 'off',
    'no-use-before-define': ['error', { functions: false, classes: true }],
    'no-plusplus': 'off',
    'no-await-in-loop': 'off',
    'no-restricted-syntax': 'off',
    'prettier/prettier': 'warn',
  },
  globals: {
    ethers: 'readonly',
    upgrades: 'readonly',
    describe: 'readonly',
    it: 'readonly',
    beforeEach: 'readonly',
    expect: 'readonly',
  },
};