.eslintrc.js

module.exports = {
    root: true,
    env: {
        es6: true,
        node: true,
    },
    extends: [
        'eslint:recommended',
        'plugin:@typescript-eslint/recommended',
        'plugin:@typescript-eslint/recommended-requiring-type-checking',
        'plugin:unicorn/recommended',
        'plugin:promise/recommended',
        'plugin:sonarjs/recommended',
        'plugin:import/warnings',
        'plugin:regexp/recommended',
    ],
    parser: '@typescript-eslint/parser',
    parserOptions: {
        project: 'tsconfig.json',
        sourceType: 'module',
        ecmaFeatures: {
            jsx: false,
        },
        warnOnUnsupportedTypeScriptVersion: false,
    },
    plugins: [
        'unicorn',
        'import',
        'wix-editor',
        '@typescript-eslint',
        'prettier',
        'simple-import-sort',
        'promise',
        'sonarjs',
        'sort-class-members',
        'etc',
        'only-warn',
    ],
    rules: {
        // core
        'consistent-return': [1, { treatUndefinedAsUnspecified: true }],
        quotes: [1, 'single', { allowTemplateLiterals: true, avoidEscape: true }],
        semi: [1, 'always'],
        'max-lines': [1, { max: 200 }],
        'max-params': [1, { max: 5 }],
        'no-unneeded-ternary': [1],
        // wix-editor
        'wix-editor/no-instanceof-array': 1,
        'wix-editor/no-not-not': 1,
        'wix-editor/no-unneeded-match': 1,
        'wix-editor/prefer-filter': 1,
        'wix-editor/prefer-ternary': 1,
        'wix-editor/return-boolean': 1,
        'wix-editor/simplify-boolean-expression': 1,
        // unicorn
        'unicorn/prefer-spread': 0,
        'unicorn/catch-error-name': 0,
        'unicorn/prevent-abbreviations': [
            1,
            {
                replacements: {
                    args: false,
                    err: false,
                    prod: false,
                    ref: false,
                    params: false,
                },
            },
        ],
        // import
        'import/max-dependencies': [1, { max: 15 }],
        // simple-import-sort with recomended settings
        'simple-import-sort/sort': 1,
        'sort-imports': 'off',
        'import/order': 'off',
        // typescript-eslint
        '@typescript-eslint/no-floating-promises': 1,
        '@typescript-eslint/no-unnecessary-condition': 1,
        // sort-class-members
        'sort-class-members/sort-class-members': [
            1,
            {
                order: [
                    '[static-properties]',
                    '[static-methods]',
                    '[properties]',
                    '[conventional-private-properties]',
                    'constructor',
                    '[methods]',
                    '[conventional-private-methods]',
                ],
                accessorPairPositioning: 'getThenSet',
            },
        ],
        // etc
        'etc/deprecation': 1,
        'etc/no-assign-mutated-array': 1,
    },
    overrides: [
        {
            files: ['*.spec.ts', '**/testing/**/*.ts'],
            rules: {
                'consistent-return': 0,
                'max-lines': 0,
                '@typescript-eslint/no-explicit-any': 0,
                '@typescript-eslint/no-floating-promises': 0,
                '@typescript-eslint/no-non-null-assertion': 0,
                '@typescript-eslint/camelcase': 0,
                'import/max-dependencies': 0,
                'sonarjs/no-duplicate-string': 0,
            },
        },
    ],
};