module.exports = {
    root: true,
    parser: '@typescript-eslint/parser',
    plugins: [
        'svelte3',
        '@typescript-eslint'
    ],
    parserOptions: {
        tsconfigRootDir: __dirname,
        project: [
            './tsconfig.json',
            './tsconfig.test.json'
        ]
    },
    extends: [
        'eslint:recommended',
        'plugin:@typescript-eslint/recommended',
    ],
    rules: {
        indent: [
            'error',
            4,
            {
                SwitchCase: 1
            }
        ],
        'no-trailing-spaces': 'error',
        'max-len': [
            'error',
            {
                code: 120,
                ignoreTemplateLiterals: true,
                ignoreRegExpLiterals: true
            }
        ],
        semi: 'off',
        '@typescript-eslint/semi': [
            'error'
        ],
        'no-extra-semi': 'error',
        'eol-last': 'error',
        'comma-dangle': 'off',
        '@typescript-eslint/comma-dangle': [
            'error',
            {
                arrays: 'always-multiline',
                objects: 'always-multiline',
                imports: 'always-multiline',
                exports: 'always-multiline',
                functions: 'always-multiline',
                enums: 'always-multiline',
                generics: 'always-multiline',
                tuples: 'always-multiline'
            }
        ],
        'no-extra-parens': 'off',
        '@typescript-eslint/no-extra-parens': [
            'error'
        ],
        'no-nested-ternary': 'error',
        '@typescript-eslint/no-inferrable-types': 'off',
        '@typescript-eslint/explicit-module-boundary-types': 'error',
        '@typescript-eslint/no-unnecessary-condition': 'error',
        '@typescript-eslint/no-unused-vars': [
            'error',
            {
                argsIgnorePattern: '^_'
            }
        ],
        '@typescript-eslint/no-non-null-assertion': 'error',
        'no-useless-return': 'error',
        'no-useless-constructor': 'off',
        '@typescript-eslint/no-useless-constructor': [
            'error'
        ],
        'no-return-await': 'off',
        '@typescript-eslint/return-await': [
            'error',
            'always'
        ],
        '@typescript-eslint/explicit-member-accessibility': [
            'error',
            {
                accessibility: 'explicit'
            }
        ],
        '@typescript-eslint/no-floating-promises': 'error'
    },
    ignorePatterns: [
        '.eslintrc.js',
        'jest.config.js',
        'dist/**/*',
        'config/**/*',
        'public/**/*'
    ],
    overrides: [
        {
            files: [
                'test/**/*'
            ],
            rules: {
                'max-len': [
                    'error',
                    {
                        code: 120,
                        ignoreTemplateLiterals: true,
                        ignoreRegExpLiterals: true,
                        ignoreStrings: true
                    }
                ]
            }
        },
        {
            files: ['*.svelte'],
            processor: 'svelte3/svelte3'
        }
    ],
    settings: {
        'svelte3/typescript': require('typescript'),
        'svelte3/ignore-styles': function (attributes) {
            return !!(attributes['lang'] && attributes['lang'] !== 'css');
        }
    },
}