.eslintrc.json

{
    "env": {
        "es6": true,
        "jest": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:import/typescript"
    ],
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "plugins": [
        "@typescript-eslint",
        "unused-imports",
        "import"
    ],
    "settings": {
        "import/external-module-folders": [ "libs" ]
    },
    "overrides": [
        {
          "files": [ "**/spec/*.ts", "**/spec/**/*.ts" ],
          "rules": {
            "import/no-extraneous-dependencies": ["off"] // mocha and chai are hoisted and provide false positives
          }
        }
    ],
    "rules": {
        "@typescript-eslint/no-namespace": "off",
        "no-inner-declarations": "off",
        "prefer-const": "error",
        "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_", "varsIgnorePattern": "^_" }],
        // "@typescript-eslint/no-submodule-imports": "error",
        "@typescript-eslint/no-explicit-any": "warn",
        
        // TODO remove
        "@typescript-eslint/explicit-module-boundary-types": "warn",
        "@typescript-eslint/ban-ts-comment": "warn",
        "no-empty": "warn",
        "no-empty-function": "warn",
        "@typescript-eslint/no-empty-function": "warn",
        "@typescript-eslint/ban-types": "warn",
        "prefer-rest-params": "warn",
        "no-fallthrough": "warn",
        
        "array-bracket-spacing": ["error", "always", { "objectsInArrays": false, "arraysInArrays": false }],
        "block-spacing": "error",
        "brace-style": "error",
        "camelcase": "error",
        // "capitalized-comments": "error",
        "comma-dangle": ["error", "always-multiline"],
        "comma-spacing": "error",
        "comma-style": "error",
        "computed-property-spacing": "error",
        "curly": "error",
        "eol-last": "error",
        "func-call-spacing": "error",
        "implicit-arrow-linebreak": "error",
        "indent": "error",
        "key-spacing": "error",
        "keyword-spacing": ["error", { "overrides": {
            "if": { "after": false },
            "for": { "after": false },
            "while": { "after": false }
        }}],
        "linebreak-style": "error",
        "lines-between-class-members": "error",
        "multiline-comment-style": "error",
        "new-parens": "error",
        "newline-per-chained-call": "error",
        "no-multiple-empty-lines": "error",
        "no-unneeded-ternary": "error",
        "no-whitespace-before-property": "error",
        "object-curly-newline": ["error", { "consistent": true }],
        "object-curly-spacing": ["error", "always", { "objectsInObjects": false }],
        "operator-assignment": "error",
        "operator-linebreak": ["error", "before"],
        "prefer-object-spread": "error",
        "quote-props": ["error", "as-needed"],
        "quotes": ["error", "single"],
        "semi": ["error", "always"],
        "semi-spacing": "error",
        "semi-style": "error",
        "space-before-blocks": "error",
        "space-before-function-paren": ["error", {"anonymous": "never", "named": "never", "asyncArrow": "always"}],
        "space-in-parens": ["error", "never"],
        "space-infix-ops": "error",
        "space-unary-ops": ["error", {"words": true, "nonwords": false}],
        "spaced-comment": "error",
        "switch-colon-spacing": "error",
        
        "arrow-spacing": "error",
        "generator-star-spacing": ["error", {"before": true, "after": true}],
        "prefer-numeric-literals": "error",
        // "sort-imports": "error", - replace with fixable version
        "yield-star-spacing": ["error", "both"],
        
        "dot-location": ["error", "property"],
        "dot-notation": "error",
        "eqeqeq": "error",
        "no-else-return": "error",
        "no-multi-spaces": "error",
        "yoda": "error",
        
        // imports
        "unused-imports/no-unused-imports": "error",
        "import/no-cycle": "error",
        "import/no-absolute-path": "error",
        "import/no-useless-path-segments": "error",
        "import/no-extraneous-dependencies": "error",
        "import/no-mutable-exports": "error",
        "import/no-unused-modules": "error",
        "import/first": "error",
        "import/order": "error",
        "import/newline-after-import": "error",
        "import/no-relative-packages": "error"
        // TODO disable importing from inside of package src
        // "import/no-restricted-paths": ["error", { "zones": [{
        //     "target": "*",
        //     "from": "@cards-ts/*/src/*"
        // }]}]
    }
}