eslint-config-ship-components
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JavaScript
module.exports = {
"parser": "babel-eslint",
"plugins": [
"react"
],
"parserOptions": {
"ecmaVersion": 6,
"sourceType": "module",
"ecmaFeatures": {
"jsx": true,
"modules": true
}
},
"env": {
"browser": true, // browser global variables.
"node": true, // Node.js global variables and Node.js-specific rules.
},
"rules": {
////////// Possible Errors //////////
"comma-dangle": [2, "never"], // disallow trailing commas in object literals
"no-cond-assign": "error", // disallow assignment in conditional expressions
"no-console": "off", // disallow use of console (off by default in the node environment)
"no-constant-condition": "error", // disallow use of constant expressions in conditions
"no-control-regex": "error", // disallow control characters in regular expressions
"no-debugger": "warn", // disallow use of debugger
"no-dupe-keys": "error", // disallow duplicate keys when creating object literals
"no-empty": "off", // disallow empty statements
"no-empty-character-class": "error",// disallow the use of empty character classes in regular expressions
"no-ex-assign": "error", // disallow assigning to the exception in a catch block
"no-extra-boolean-cast": "error", // disallow double-negation boolean casts in a boolean context
"no-extra-parens": "off", // disallow unnecessary parentheses (off by default)
"no-extra-semi": "error", // disallow unnecessary semicolons
"no-func-assign": "error", // disallow overwriting functions written as function declarations
"no-inner-declarations": "error", // disallow function or variable declarations in nested blocks
"no-invalid-regexp": "error", // disallow invalid regular expression strings in the RegExp constructor
"no-irregular-whitespace": "error", // disallow irregular whitespace outside of strings and comments
"no-negated-in-lhs": "error", // disallow negation of the left operand of an in expression
"no-obj-calls": "error", // disallow the use of object properties of the global object (Math and JSON) as functions
"no-regex-spaces": "error", // disallow multiple spaces in a regular expression literal
"quote-props": "off", // disallow reserved words being used as object literal keys (off by default)
"no-sparse-arrays": "error", // disallow sparse arrays
"no-unreachable": "error", // disallow unreachable statements after a return, throw, continue, or break statement
"use-isnan": "error", // disallow comparisons with the value NaN
"valid-jsdoc": "off", // Ensure JSDoc comments are valid (off by default)
"valid-typeof": "error", // Ensure that the results of typeof are compared against a valid string
////////// Best Practices //////////
"block-scoped-var": "warn", // treat var statements as if they were block scoped (off by default)
"complexity": [1, 7], // specify the maximum cyclomatic complexity allowed in a program (off by default)
"consistent-return": "off", // require return statements to either always or never specify values
"curly": [1, "all"], // specify curly brace conventions for all control statements
"default-case": "off", // require default case in switch statements (off by default)
"dot-notation": "warn", // encourages use of dot notation whenever possible
"eqeqeq": "warn", // require the use of === and !==
"guard-for-in": "warn", // make sure for-in loops have an if statement (off by default)
"no-alert": "warn", // disallow the use of alert, confirm, and prompt
"no-caller": "warn", // disallow use of arguments.caller or arguments.callee
"no-div-regex": "warn", // disallow division operators explicitly at beginning of regular expression (off by default)
"no-else-return": "off", // disallow else after a return in an if (off by default)
"no-eq-null": "warn", // disallow comparisons to null without a type-checking operator (off by default)
"no-eval": "warn", // disallow use of eval()
"no-extend-native": "warn", // disallow adding to native types
"no-extra-bind": "warn", // disallow unnecessary function binding
"no-fallthrough": "off", // disallow fallthrough of case statements
"no-floating-decimal": "off", // disallow the use of leading or trailing decimal points in numeric literals (off by default)
"no-implied-eval": "error", // disallow use of eval()-like methods
"no-iterator": "warn", // disallow usage of __iterator__ property
"no-labels": "off", // disallow use of labeled statements
"no-lone-blocks": "warn", // disallow unnecessary nested blocks
"no-loop-func": "warn", // disallow creation of functions within loops
"no-multi-spaces": "warn", // disallow use of multiple spaces
"no-multi-str": "warn", // disallow use of multiline strings
"no-native-reassign": "warn", // disallow reassignments of native objects
"no-new": "warn", // disallow use of new operator when not part of the assignment or comparison
"no-new-func": "warn", // disallow use of new operator for Function object
"no-new-wrappers": "warn", // disallows creating new instances of String, Number, and Boolean
"no-octal": "warn", // disallow use of octal literals
"no-octal-escape": "warn", // disallow use of octal escape sequences in string literals, such as var foo = "Copyright \251";
"no-process-env": "off", // disallow use of process.env (off by default)
"no-proto": "error", // disallow usage of __proto__ property
"no-redeclare": "warn", // disallow declaring the same variable more then once
"no-return-assign": "warn", // disallow use of assignment in return statement
"no-script-url": "warn", // disallow use of javascript: urls.
"no-self-compare": "warn", // disallow comparisons where both sides are exactly the same (off by default)
"no-sequences": "warn", // disallow use of comma operator
"no-unused-expressions": "warn",// disallow usage of expressions in statement position
"no-void": "off", // disallow use of void operator (off by default)
"no-warning-comments": "off", // disallow usage of configurable warning terms in comments, e.g. TODO or FIXME (off by default)
"no-with": "warn", // disallow use of the with statement
"radix": "warn", // require use of the second argument for parseInt() (off by default)
"vars-on-top": "off", // requires to declare all vars on top of their containing scope (off by default)
"wrap-iife": "off", // require immediate function invocation to be wrapped in parentheses (off by default)
"yoda": "warn", // require or disallow Yoda conditions
////////// Strict Mode //////////
"global-strict": "off", // (deprecated) require or disallow the "use strict" pragma in the global scope (off by default in the node environment)
"no-extra-strict": "off", // (deprecated) disallow unnecessary use of "use strict"; when already in strict mode
"strict": "off", // controls location of Use Strict Directives
////////// Variables //////////
"no-catch-shadow": "off", // disallow the catch clause parameter name being the same as a variable in the outer scope (off by default in the node environment)
"no-delete-var": "off", // disallow deletion of variables
"no-label-var": "warn", // disallow labels that share a name with a variable
"no-shadow": "warn", // disallow declaration of variables already declared in the outer scope
"no-shadow-restricted-names": "warn", // disallow shadowing of names such as arguments
"no-undef": "warn", // disallow use of undeclared variables unless mentioned in a /*global */ block
"no-undef-init": "off", // disallow use of undefined when initializing variables
"no-undefined": "off", // disallow use of undefined variable (off by default)
"no-unused-vars": "warn", // disallow declaration of variables that are not used in the code
"no-use-before-define": "warn", // disallow use of variables before they are defined
////////// Node.js //////////
"handle-callback-err": "off", // enforces error handling in callbacks (off by default) (on by default in the node environment)
"no-mixed-requires": "off", // disallow mixing regular variable and require declarations (off by default) (on by default in the node environment)
"no-new-require": "off", // disallow use of new operator with the require function (off by default) (on by default in the node environment)
"no-path-concat": "off", // disallow string concatenation with __dirname and __filename (off by default) (on by default in the node environment)
"no-process-exit": "off", // disallow process.exit() (on by default in the node environment)
"no-restricted-modules": "off", // restrict usage of specified node modules (off by default)
"no-sync": "off", // disallow use of synchronous methods (off by default)
////////// Stylistic Issues //////////
"brace-style": "warn", // enforce one true brace style (off by default)
"camelcase": ["warn", {"properties": "never"}], // require camel case names
"comma-spacing": "off", // enforce spacing before and after comma
"comma-style": "warn", // enforce one true comma style (off by default)
"consistent-this": "off", // enforces consistent naming when capturing the current execution context (off by default)
"eol-last": "warn", // enforce newline at the end of file, with no multiple empty lines
"func-names": "warn", // require function expressions to have a name (off by default)
"func-style": "off", // enforces use of function declarations or expressions (off by default)
"key-spacing": "off", // enforces spacing between keys and values in object literal properties
"max-nested-callbacks": ["error", 3], // specify the maximum depth callbacks can be nested (off by default)
"new-cap": "warn", // require a capital letter for constructors
"new-parens": "warn", // disallow the omission of parentheses when invoking a constructor with no arguments
"no-array-constructor": "warn", // disallow use of the Array constructor
"no-inline-comments": "off", // disallow comments inline after code (off by default)
"no-lonely-if": "warn", // disallow if as the only statement in an else block (off by default)
"no-mixed-spaces-and-tabs": "warn", // disallow mixed spaces and tabs for indentation
"indent": ["warn", 2], // enforce consistent indentation
"no-tabs": ["warn"], // disallow tabs everywhere
"no-multiple-empty-lines": "warn", // disallow multiple empty lines (off by default)
"no-nested-ternary": "error", // disallow nested ternary expressions (off by default)
"no-new-object": "warn", // disallow use of the Object constructor
"semi-spacing": "warn", // disallow space before semicolon
"no-spaced-func": "off", // disallow space between function identifier and application
"no-ternary": "off", // disallow the use of ternary operators (off by default)
"no-trailing-spaces": "warn", // disallow trailing whitespace at the end of lines
"no-underscore-dangle": "off", // disallow dangling underscores in identifiers
"no-wrap-func": "off", // disallow wrapping of non-IIFE statements in parens
"one-var": ["warn", "never"], // allow just one var statement per function (off by default)
"operator-assignment": "off", // require assignment operator shorthand where possible or prohibit it entirely (off by default)
"padded-blocks": "off", // enforce padding within blocks (off by default)
"quotes": ["warn", "single"], // specify whether double or single quotes should be used
"semi": ["warn", "always"], // require or disallow use of semicolons instead of ASI
"sort-vars": "off", // sort variables within the same declaration block (off by default)
"space-before-function-paren": ["warn", "never"], // require a space after function names (off by default)
"keyword-spacing": "warn", // require a space after certain keywords (off by default)
"space-before-blocks": "warn", // require or disallow space before blocks (off by default)
"array-bracket-spacing": "warn", // require or disallow spaces inside brackets (off by default)
"space-in-parens": ["warn", "never"],// require or disallow spaces inside parentheses (off by default)
"space-infix-ops": "warn", // require spaces around operators
"space-return-throw-case": "off", // require a space after return, throw, and case
"space-unary-ops": "off", // Require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
"spaced-line-comment": "off", // require or disallow a space immediately following the // in a line comment (off by default)
"wrap-regex": "off", // require regex literals to be wrapped in parentheses (off by default)
"no-unneeded-ternary": "warn", // disallow unneed ternarys
// require parens in arrow function arguments
"arrow-parens": ["warn", "as-needed", {
"requireForBlockBody": true,
}],
// enforces no braces where they can be omitted
"arrow-body-style": ["error", "as-needed", {
"requireReturnForObjectLiteral": false,
}],
// require space before/after arrow function's arrow
'arrow-spacing': ['error', { before: true, after: true }],
// disallow arrow functions where they could be confused with comparisons
'no-confusing-arrow': ['error', {
allowParens: true,
}],
////////// React //////////
"react/display-name": "off",
"react/jsx-boolean-value": "warn",
"react/jsx-curly-spacing": "warn",
"react/no-array-index-key": "error",
"react/no-children-prop": "error",
"react/jsx-max-props-per-line": ["warn", {maximum: 1}],
"react/jsx-no-duplicate-props": "error",
"react/jsx-no-undef": "warn",
"jsx-quotes": ["warn", "prefer-single"],
"react/jsx-sort-prop-types": "off",
"react/jsx-sort-props": "off",
"react/jsx-uses-react": "warn",
"react/jsx-uses-vars": "warn",
"react/no-danger": "warn",
"react/no-did-mount-set-state": "warn",
"react/no-did-update-set-state": "warn",
"react/no-multi-comp": "warn",
"react/no-unknown-property": "warn",
"react/prop-types": "warn",
"react/react-in-jsx-scope": "error",
"react/self-closing-comp": "warn",
"react/sort-comp": "warn",
"react/no-deprecated" : "warn",
"react/no-direct-mutation-state": "error",
"react/prefer-es6-class": ["error", "always"],
"react/prefer-stateless-function": "warn",
"react/require-default-props" : "warn",
"react/require-optimization": "warn",
"react/jsx-key": "error",
"react/jsx-handler-names": "warn",
"react/jsx-indent": ["warn", 2],
"react/jsx-indent-props": ["warn", 2],
"react/jsx-no-bind": ["warn", {
"ignoreRefs": false,
"allowArrowFunctions": true,
"allowBind": false
}],
"react/jsx-closing-bracket-location" : "warn"
}
};