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eslint config
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{ | |
"parser": "babel-eslint", | |
"env": { | |
"browser": true | |
}, | |
"ecmaFeatures": { | |
"arrowFunctions": true, | |
"blockBindings": true, | |
"classes": true, | |
"defaultParams": true, | |
"destructuring": true, | |
"forOf": true, | |
"generators": false, | |
"modules": true, | |
"objectLiteralComputedProperties": true, | |
"objectLiteralDuplicateProperties": false, | |
"objectLiteralShorthandMethods": true, | |
"objectLiteralShorthandProperties": true, | |
"spread": true, | |
"superInFunctions": true, | |
"templateStrings": true | |
}, | |
"rules": { | |
/** | |
* Strict mode | |
*/ | |
// babel inserts "use strict"; for us | |
"strict": [2, "never"], // http://eslint.org/docs/rules/strict | |
/** | |
* ES6 | |
*/ | |
"no-var": 2, // http://eslint.org/docs/rules/no-var | |
"prefer-const": 0, // http://eslint.org/docs/rules/prefer-const | |
/** | |
* Variables | |
*/ | |
"no-shadow": 2, // http://eslint.org/docs/rules/no-shadow | |
"no-shadow-restricted-names": 2, // http://eslint.org/docs/rules/no-shadow-restricted-names | |
"no-unused-vars": [2, { // http://eslint.org/docs/rules/no-unused-vars | |
"vars": "local", | |
"args": "after-used" | |
}], | |
"no-use-before-define": 0, // http://eslint.org/docs/rules/no-use-before-define | |
/** | |
* Possible errors | |
*/ | |
"comma-dangle": [2, "never"], // http://eslint.org/docs/rules/comma-dangle | |
"no-cond-assign": [2, "always"], // http://eslint.org/docs/rules/no-cond-assign | |
"no-console": 1, // http://eslint.org/docs/rules/no-console | |
"no-debugger": 1, // http://eslint.org/docs/rules/no-debugger | |
"no-alert": 1, // http://eslint.org/docs/rules/no-alert | |
"no-constant-condition": 1, // http://eslint.org/docs/rules/no-constant-condition | |
"no-dupe-keys": 2, // http://eslint.org/docs/rules/no-dupe-keys | |
"no-duplicate-case": 2, // http://eslint.org/docs/rules/no-duplicate-case | |
"no-empty": 2, // http://eslint.org/docs/rules/no-empty | |
"no-ex-assign": 2, // http://eslint.org/docs/rules/no-ex-assign | |
"no-extra-boolean-cast": 0, // http://eslint.org/docs/rules/no-extra-boolean-cast | |
"no-extra-semi": 2, // http://eslint.org/docs/rules/no-extra-semi | |
"no-func-assign": 2, // http://eslint.org/docs/rules/no-func-assign | |
"no-inner-declarations": 2, // http://eslint.org/docs/rules/no-inner-declarations | |
"no-invalid-regexp": 2, // http://eslint.org/docs/rules/no-invalid-regexp | |
"no-irregular-whitespace": 2, // http://eslint.org/docs/rules/no-irregular-whitespace | |
"no-obj-calls": 2, // http://eslint.org/docs/rules/no-obj-calls | |
"no-reserved-keys": 2, // http://eslint.org/docs/rules/no-reserved-keys | |
"no-sparse-arrays": 2, // http://eslint.org/docs/rules/no-sparse-arrays | |
"no-unreachable": 2, // http://eslint.org/docs/rules/no-unreachable | |
"use-isnan": 2, // http://eslint.org/docs/rules/use-isnan | |
"block-scoped-var": 0, // http://eslint.org/docs/rules/block-scoped-var | |
"valid-jsdoc": [2, { // http://eslint.org/docs/rules/valid-jsdoc | |
"requireReturn": false, | |
"requireReturnDescription": false | |
}], | |
/** | |
* Best practices | |
*/ | |
"consistent-return": 2, // http://eslint.org/docs/rules/consistent-return | |
"curly": [2, "multi-line"], // http://eslint.org/docs/rules/curly | |
"default-case": 2, // http://eslint.org/docs/rules/default-case | |
"dot-notation": [2, { // http://eslint.org/docs/rules/dot-notation | |
"allowKeywords": true | |
}], | |
"eqeqeq": 2, // http://eslint.org/docs/rules/eqeqeq | |
"guard-for-in": 2, // http://eslint.org/docs/rules/guard-for-in | |
"no-caller": 2, // http://eslint.org/docs/rules/no-caller | |
"no-else-return": 2, // http://eslint.org/docs/rules/no-else-return | |
"no-eq-null": 2, // http://eslint.org/docs/rules/no-eq-null | |
"no-eval": 2, // http://eslint.org/docs/rules/no-eval | |
"no-extend-native": 2, // http://eslint.org/docs/rules/no-extend-native | |
"no-extra-bind": 2, // http://eslint.org/docs/rules/no-extra-bind | |
"no-fallthrough": 2, // http://eslint.org/docs/rules/no-fallthrough | |
"no-floating-decimal": 2, // http://eslint.org/docs/rules/no-floating-decimal | |
"no-implied-eval": 2, // http://eslint.org/docs/rules/no-implied-eval | |
"no-lone-blocks": 2, // http://eslint.org/docs/rules/no-lone-blocks | |
"no-loop-func": 2, // http://eslint.org/docs/rules/no-loop-func | |
"no-multi-str": 2, // http://eslint.org/docs/rules/no-multi-str | |
"no-native-reassign": 2, // http://eslint.org/docs/rules/no-native-reassign | |
"no-new": 2, // http://eslint.org/docs/rules/no-new | |
"no-new-func": 2, // http://eslint.org/docs/rules/no-new-func | |
"no-new-wrappers": 2, // http://eslint.org/docs/rules/no-new-wrappers | |
"no-octal": 2, // http://eslint.org/docs/rules/no-octal | |
"no-octal-escape": 2, // http://eslint.org/docs/rules/no-octal-escape | |
"no-param-reassign": 2, // http://eslint.org/docs/rules/no-param-reassign | |
"no-proto": 2, // http://eslint.org/docs/rules/no-proto | |
"no-redeclare": 2, // http://eslint.org/docs/rules/no-redeclare | |
"no-return-assign": 2, // http://eslint.org/docs/rules/no-return-assign | |
"no-script-url": 2, // http://eslint.org/docs/rules/no-script-url | |
"no-self-compare": 2, // http://eslint.org/docs/rules/no-self-compare | |
"no-sequences": 2, // http://eslint.org/docs/rules/no-sequences | |
"no-throw-literal": 2, // http://eslint.org/docs/rules/no-throw-literal | |
"no-with": 2, // http://eslint.org/docs/rules/no-with | |
"radix": 2, // http://eslint.org/docs/rules/radix | |
"vars-on-top": 2, // http://eslint.org/docs/rules/vars-on-top | |
"wrap-iife": [2, "any"], // http://eslint.org/docs/rules/wrap-iife | |
"yoda": 2, // http://eslint.org/docs/rules/yoda | |
/** | |
* Style | |
*/ | |
"indent": [2, 2], // http://eslint.org/docs/rules/indent | |
"brace-style": [2, // http://eslint.org/docs/rules/brace-style | |
"1tbs", { | |
"allowSingleLine": true | |
}], | |
"quotes": [ | |
2, "single", "avoid-escape" // http://eslint.org/docs/rules/quotes | |
], | |
"camelcase": [2, { // http://eslint.org/docs/rules/camelcase | |
"properties": "never" | |
}], | |
"comma-spacing": [2, { // http://eslint.org/docs/rules/comma-spacing | |
"before": false, | |
"after": true | |
}], | |
"comma-style": [2, "last"], // http://eslint.org/docs/rules/comma-style | |
"eol-last": 2, // http://eslint.org/docs/rules/eol-last | |
"func-names": 1, // http://eslint.org/docs/rules/func-names | |
"key-spacing": [2, { // http://eslint.org/docs/rules/key-spacing | |
"beforeColon": false, | |
"afterColon": true | |
}], | |
"new-cap": [2, { // http://eslint.org/docs/rules/new-cap | |
"newIsCap": true | |
}], | |
"no-multiple-empty-lines": [2, { // http://eslint.org/docs/rules/no-multiple-empty-lines | |
"max": 2 | |
}], | |
"no-nested-ternary": 2, // http://eslint.org/docs/rules/no-nested-ternary | |
"no-new-object": 2, // http://eslint.org/docs/rules/no-new-object | |
"no-spaced-func": 2, // http://eslint.org/docs/rules/no-spaced-func | |
"no-trailing-spaces": 2, // http://eslint.org/docs/rules/no-trailing-spaces | |
"no-wrap-func": 2, // http://eslint.org/docs/rules/no-wrap-func | |
"no-underscore-dangle": 0, // http://eslint.org/docs/rules/no-underscore-dangle | |
"one-var": [2, "never"], // http://eslint.org/docs/rules/one-var | |
"padded-blocks": [2, "never"], // http://eslint.org/docs/rules/padded-blocks | |
"semi": [2, "always"], // http://eslint.org/docs/rules/semi | |
"semi-spacing": [2, { // http://eslint.org/docs/rules/semi-spacing | |
"before": false, | |
"after": true | |
}], | |
"space-after-keywords": 2, // http://eslint.org/docs/rules/space-after-keywords | |
"space-before-blocks": 2, // http://eslint.org/docs/rules/space-before-blocks | |
"space-before-function-paren": [2, "never"], // http://eslint.org/docs/rules/space-before-function-paren | |
"space-infix-ops": 2, // http://eslint.org/docs/rules/space-infix-ops | |
"space-return-throw-case": 2, // http://eslint.org/docs/rules/space-return-throw-case | |
"spaced-line-comment": 2, // http://eslint.org/docs/rules/spaced-line-comment | |
} | |
} |
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const
overlet
when the variable is not mutated.var
anyway, and two errors isn't helpful.