{ "extends": "eslint:recommended", "env": { "node": true }, "parserOptions": { "ecmaVersion": 2015 }, "rules": { // Possible errors "no-cond-assign": 2, // TODO: conflicts with no-extra-parens for while use case "no-extra-parens": 0, // For now going with 0 since 1 does more harm than good "no-unexpected-multiline": 2, "valid-jsdoc": 1, "valid-typeof": 2, // Best practices "accessor-pairs": 2, "block-scoped-var": 2, "complexity": 0, "consistent-return": 1, "curly": 2, "dot-location": [2, "property"], // defaults to "object" "dot-notation": 2, "eqeqeq": [2, "smart"], // `2` is recommended "guard-for-in": 2, "no-alert": 1, // `2` is recommended "no-caller": 2, "no-div-regex": 2, "no-else-return": 0, // `2` may be ok, but indent consistency is better "no-empty-pattern": 2, "no-eq-null": 2, "no-eval": 2, "no-extend-native": 2, "no-extra-bind": 2, "no-fallthrough": 1, // `2` is recommended "no-floating-decimal": 1, // `2` is recommended "no-implicit-coercion": [2, {"boolean": false, "number": true, "string": false}], // `[2, {"boolean": true, "number": true, "string": true}],` is recommended "no-implied-eval": 2, "no-invalid-this": 1, // `2` is recommended "no-iterator": 2, "no-labels": 2, "no-lone-blocks": 2, "no-loop-func": 2, "no-magic-numbers": 0, // `1` would also be fine "no-multi-spaces": 2, "no-multi-str": 2, "no-native-reassign": 2, "no-new-func": 2, "no-new-wrappers": 2, "no-new": 2, "no-octal-escape": 2, "no-octal": 1, // TODO: accept until we use ES6 0o755 notation "no-param-reassign": 2, "no-process-env": 0, // `2` is recommended "no-proto": 2, "no-redeclare": [2, {"builtinGlobals": true}], // `2` is recommended and actually defaults to `[2, {"builtinGlobals": false}]` "no-return-assign": [1, "except-parens"], "no-script-url": 2, "no-self-compare": 2, "no-sequences": 2, "no-throw-literal": 2, "no-unused-expressions": 2, // `2` is recommended and actually defaults to `[2, {"allowShortCircuit": false, "allowTernary": false}]` "no-useless-call": 2, // `2` is recommended "no-useless-concat": 2, "no-void": 2, "no-warning-comments": [1, { "terms": ["todo", "fixme", "@todo", "@fixme"]}], // `[0, { "terms": ["todo", "fixme", "xxx"], "location": "start" }]` is recommended "no-with": 2, "radix": 1, // `2` is recommended "vars-on-top": 0, // `2` is recommended TODO: review this "wrap-iife": [2, "inside"], // `[2, "outside"]` is recommended "yoda": 2, // `[2, "never"]` is recommended, optionally set `[2, "never", {"exceptRange": true, "onlyEquality": false}] // Strict "strict": [0, "function"], // Variables "init-declarations": [0, "always"], // `[2, "always"]` is recommended "no-delete-var": 2, "no-label-var": 2, "no-shadow-restricted-names": 2, "no-shadow": 0, // TODO: 1 may be ok "no-undefined": 1, "no-unused-vars": [1, {"varsIgnorePattern": "^_"}], "no-use-before-define": 1, // TODO: 0 or 2 may be ok, sometimes there are ciclic dependencies // Style "array-bracket-spacing": [2, "never"], // optionally set `[2, "never", {"singleValue": true, "objectsInArrays": true, "arraysInArrays": true}]` "block-spacing": [2, "always"], // optionally set `[2, "always"]` "brace-style": [2, "stroustrup", {"allowSingleLine": false}], "camelcase": [2, {"properties": "never"}], // TODO: 2 might be too much "comma-spacing": [2, {"before": false, "after": true}], "comma-style": [1, "first"], // optionally set `[2, "first", {"exceptions": {"ArrayExpression": true, "ObjectExpression": true}}]` "computed-property-spacing": [2, "never"], "consistent-this": [2, "that"], "eol-last": 2, "func-names": 0, "func-style": 0, // optionally set `[2, "expression"]` "id-length": 0, // optionally set `[2, {"min": 3, "max": 10, "properties": "never", "exceptions": ["x"]}]` "id-match": 0, // optionally set `[2, "^[a-z]+([A-Z][a-z]+)*$", {"properties": false}]` "indent": [0, 2, {"SwitchCase": 0, "VariableDeclarator": 2}], // TODO: optionally set `[2, 2, {"SwitchCase": 1, "VariableDeclarator": {"var": 2, "let": 2, "const": 3}}]` this gives too many errors "jsx-quotes": [2, "prefer-single"], "key-spacing": [2, {"beforeColon": false, "afterColon": true, "mode": "strict"}], // optionally set `[2, {"beforeColon": false, "afterColon": true, "mode": "strict", "align": "colon"}]` "lines-around-comment": 2, // optionally set `[2, {"beforeBlockComment": true, "beforeLineComment": true, "allowBlockStart": true}]` "linebreak-style": 0, // optionally set `[1, "unix"]` "max-len": [2, 100, 2, {"ignoreComments": true, "ignoreUrls": true}], // NOTE: Our limit is 80 however ESLint does not have an ignoreStrings so lets have more buffer "max-nested-callbacks": [1, 5], "new-cap": 2, // optionally set `[2, {"capIsNewExceptions": ["Person"]}]` "new-parens": 2, "newline-after-var": [0, "always"], // TODO: 1 may be ok "no-array-constructor": 2, "no-bitwise": 0, // We use them "no-continue": 1, "no-inline-comments": 0, "no-lonely-if": 0, // TODO: 1 may be ok "no-mixed-spaces-and-tabs": 2, // optionally set `[2, "smart-tabs"]` "no-multiple-empty-lines": [1, {"max": 2}], "no-negated-condition": 0, // Prioritize intent order over readability "no-nested-ternary": 2, "no-new-object": 2, // TODO: check this one "no-plusplus": 0, "no-restricted-syntax": 0, // optionally set `[2, "FunctionExpression", "WithStatement"]` "no-spaced-func": 2, "no-ternary": 0, "no-trailing-spaces": [2, {"skipBlankLines": true}], "no-underscore-dangle": 0, "no-unneeded-ternary": [2, {"defaultAssignment": false}], "object-curly-spacing": [2, "never"], // optionally set `[2, "always", {"objectsInObjects": false, "arraysInObjects": false}]` // TODO: check if always or never is being more used "one-var": [2, {"uninitialized": "always", "initialized": "never"}], // optionally set `[2, {"var": "always", "let": "never", "const": "never"}]` "operator-assignment": [2, "always"], // optionally set `[2, "always"]` "operator-linebreak": [2, "after"], // optionally set `[2, "before", {"overrides": {"?": "after"}}]` // TODO: check for conditionals "padded-blocks": [2, "never"], "quote-props": [2, "as-needed", { "numbers": true }], "quotes": [2, "single", "avoid-escape"], "require-jsdoc": 0, "semi-spacing": [2, {"before": false, "after": true}], "semi": [2, "never"], "sort-vars": 0, // optaionlly set `[2, {"ignoreCase": true}]` "space-before-blocks": [2, "always"], // optionally set `[2, {"functions": "never", "keywords": "always"}]` "space-before-function-paren": [2, "never"], // optionally set `[2, {"anonymous": "always", "named": "never"}]` "space-in-parens": [2, "never"], // optionally set `[2, "always", {"exceptions": ["empty"]}]` "space-infix-ops": 2, "space-unary-ops": [2, {"words": true, "nonwords": false}], "spaced-comment": [1, "always", {"exceptions": ["/"]}], // optionally set `[2, "always", {"exceptions": ["-", "+"], "markers": ["/"]}]` "wrap-regex": 0, // TODO: 2 is ok but the division edge case is too edgy // Node.js / Common.js "callback-return": 1, // `2` is default, optionally set `[2, ["callback", "cb", "next"]]` "global-require": 0, // `2` is default "handle-callback-err": 1, // `2` is default, optionally set `[2, "^(err|error)$"]` "no-mixed-requires": [0, {"grouping": true}], // [2, false] is default "no-new-require": 2, // `2` is default "no-path-concat": 2, // `2` is default "no-process-exit": 0, // `2` is default "no-restricted-modules": 0, // no default, optionally set `[2, "fs", "os"]` "no-sync": 1, // `2` is default // eslint v2 //"keyword-spacing": 2 } }