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{
"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
}
}
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