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.eslintrc
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.eslintrc
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{
"settings": {
"react": {
"version": "detect"
}
},
"env": {
"browser": true,
"node": true,
"es6": true
},
"extends": [
"eslint:recommended",
"plugin:react/recommended",
"plugin:react/jsx-runtime",
"plugin:react-hooks/recommended",
// Make sure this is last / eslint-config-prettier
"prettier"
],
"parserOptions": {
"ecmaVersion": "latest",
"sourceType": "module"
},
"plugins": ["react", "react-refresh"],
"rules": {
"react-refresh/only-export-components": [
"warn", { allowConstantExport: true },
],
//
// Possible Errors
//
// The following rules point out areas where you might have made mistakes.
//
"comma-dangle": 2, // disallow or enforce trailing commas
"no-cond-assign": 2, // disallow assignment in conditional expressions
"no-console": 1, // disallow use of console (off by default in the node environment)
"no-constant-condition": 2, // disallow use of constant expressions in conditions
"no-control-regex": 2, // disallow control characters in regular expressions
"no-debugger": 2, // disallow use of debugger
"no-dupe-args": 2, // disallow duplicate arguments in functions
"no-dupe-keys": 2, // disallow duplicate keys when creating object literals
"no-duplicate-case": 2, // disallow a duplicate case label.
"no-empty": 2, // disallow empty statements
"no-empty-character-class": 2, // disallow the use of empty character classes in regular expressions
"no-ex-assign": 2, // disallow assigning to the exception in a catch block
"no-extra-boolean-cast": 2, // disallow double-negation boolean casts in a boolean context
"no-extra-parens": 0, // disallow unnecessary parentheses (off by default)
"no-extra-semi": 2, // disallow unnecessary semicolons
"no-func-assign": 2, // disallow overwriting functions written as function declarations
"no-inner-declarations": 2, // disallow function or variable declarations in nested blocks
"no-invalid-regexp": 2, // disallow invalid regular expression strings in the RegExp constructor
"no-irregular-whitespace": 2, // disallow irregular whitespace outside of strings and comments
"no-negated-in-lhs": 2, // disallow negation of the left operand of an in expression
"no-obj-calls": 2, // disallow the use of object properties of the global object (Math and JSON) as functions
"no-regex-spaces": 2, // disallow multiple spaces in a regular expression literal
"no-sparse-arrays": 2, // disallow sparse arrays
"no-unreachable": 2, // disallow unreachable statements after a return, throw, continue, or break statement
"use-isnan": 2, // disallow comparisons with the value NaN
"valid-jsdoc": 2, // Ensure JSDoc comments are valid (off by default)
"valid-typeof": 2, // Ensure that the results of typeof are compared against a valid string
//
// Best Practices
//
// These are rules designed to prevent you from making mistakes.
// They either prescribe a better way of doing something or help you avoid footguns.
//
"block-scoped-var": 0, // treat var statements as if they were block scoped (off by default). 0: deep destructuring is not compatible https://github.com/eslint/eslint/issues/1863
"complexity": 0, // specify the maximum cyclomatic complexity allowed in a program (off by default)
"consistent-return": 0, // require return statements to either always or never specify values
"curly": 2, // specify curly brace conventions for all control statements
"default-case": 2, // require default case in switch statements (off by default)
"dot-notation": 2, // encourages use of dot notation whenever possible
"eqeqeq": 2, // require the use of === and !==
"guard-for-in": 2, // make sure for-in loops have an if statement (off by default)
"no-alert": 2, // disallow the use of alert, confirm, and prompt
"no-caller": 2, // disallow use of arguments.caller or arguments.callee
"no-div-regex": 2, // disallow division operators explicitly at beginning of regular expression (off by default)
"no-else-return": 2, // disallow else after a return in an if (off by default)
"no-eq-null": 2, // disallow comparisons to null without a type-checking operator (off by default)
"no-eval": 2, // disallow use of eval()
"no-extend-native": 2, // disallow adding to native types
"no-extra-bind": 2, // disallow unnecessary function binding
"no-fallthrough": 2, // disallow fallthrough of case statements
"no-floating-decimal": 2, // disallow the use of leading or trailing decimal points in numeric literals (off by default)
"no-implied-eval": 2, // disallow use of eval()-like methods
"no-iterator": 2, // disallow usage of __iterator__ property
"no-labels": 2, // disallow use of labeled statements
"no-lone-blocks": 2, // disallow unnecessary nested blocks
"no-loop-func": 2, // disallow creation of functions within loops
"no-multi-spaces": 2, // disallow use of multiple spaces
"no-multi-str": 2, // disallow use of multiline strings
"no-native-reassign": 2, // disallow reassignments of native objects
"no-new": 2, // disallow use of new operator when not part of the assignment or comparison
"no-new-func": 2, // disallow use of new operator for Function object
"no-new-wrappers": 2, // disallows creating new instances of String,Number, and Boolean
"no-octal": 2, // disallow use of octal literals
"no-octal-escape": 2, // disallow use of octal escape sequences in string literals, such as var foo = "Copyright \251";
"no-param-reassign": 2, // disallow reassignment of function parameters (off by default)
"no-process-env": 2, // disallow use of process.env (off by default)
"no-proto": 2, // disallow usage of __proto__ property
"no-redeclare": 2, // disallow declaring the same variable more then once
"no-return-assign": 2, // disallow use of assignment in return statement
"no-script-url": 2, // disallow use of javascript: urls.
"no-self-compare": 2, // disallow comparisons where both sides are exactly the same (off by default)
"no-sequences": 2, // disallow use of comma operator
"no-throw-literal": 2, // restrict what can be thrown as an exception (off by default)
"no-unused-expressions": 2, // disallow usage of expressions in statement position
"no-void": 2, // disallow use of void operator (off by default)
"no-warning-comments": [0, {"terms": ["todo", "fixme"], "location": "start"}], // disallow usage of configurable warning terms in comments": 2, // e.g. TODO or FIXME (off by default)
"no-with": 2, // disallow use of the with statement
"radix": 2, // require use of the second argument for parseInt() (off by default)
"vars-on-top": 2, // requires to declare all vars on top of their containing scope (off by default)
"wrap-iife": 2, // require immediate function invocation to be wrapped in parentheses (off by default)
"yoda": 2, // require or disallow Yoda conditions
//
// Strict Mode
//
// These rules relate to using strict mode.
//
"strict": 0, // controls location of Use Strict Directives. 0: required by `babel-eslint`
//
// Variables
//
// These rules have to do with variable declarations.
//
"no-catch-shadow": 2, // 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": 2, // disallow deletion of variables
"no-label-var": 2, // disallow labels that share a name with a variable
"no-shadow": 2, // disallow declaration of variables already declared in the outer scope
"no-shadow-restricted-names": 2, // disallow shadowing of names such as arguments
"no-undef": 2, // disallow use of undeclared variables unless mentioned in a /*global */ block
"no-undef-init": 2, // disallow use of undefined when initializing variables
"no-undefined": 2, // disallow use of undefined variable (off by default)
"no-unused-vars": 2, // disallow declaration of variables that are not used in the code
"no-use-before-define": 2, // disallow use of variables before they are defined
//
//Stylistic Issues
//
// These rules are purely matters of style and are quite subjective.
//
"indent": [1, 2], // this option sets a specific tab width for your code (off by default)
"array-bracket-spacing": [1, "always"],
"brace-style": 1, // enforce one true brace style (off by default)
"camelcase": 1, // require camel case names
"comma-spacing": [1, {"before": false, "after": true}], // enforce spacing before and after comma
"comma-style": [1, "last"], // enforce one true comma style (off by default)
"consistent-this": [1, "_this"], // enforces consistent naming when capturing the current execution context (off by default)
"eol-last": 1, // enforce newline at the end of file, with no multiple empty lines
"func-names": 0, // require function expressions to have a name (off by default)
"func-style": 0, // enforces use of function declarations or expressions (off by default)
"key-spacing": [1, {"beforeColon": false, "afterColon": true}], // enforces spacing between keys and values in object literal properties
"keyword-spacing": [1, { "before": true, "after": true }], // require a space after certain keywords (off by default)
"max-nested-callbacks": [1, 3], // specify the maximum depth callbacks can be nested (off by default)
"new-cap": [1, {newIsCap: true, capIsNew: false}], // require a capital letter for constructors
"new-parens": 1, // disallow the omission of parentheses when invoking a constructor with no arguments
"newline-after-var": 0, // allow/disallow an empty newline after var statement (off by default)
"no-array-constructor": 1, // disallow use of the Array constructor
"no-inline-comments": 1, // disallow comments inline after code (off by default)
"no-lonely-if": 1, // disallow if as the only statement in an else block (off by default)
"no-mixed-spaces-and-tabs": 1, // disallow mixed spaces and tabs for indentation
"no-multiple-empty-lines": [1, {"max": 2}], // disallow multiple empty lines (off by default)
"no-nested-ternary": 0, // disallow nested ternary expressions (off by default)
"no-new-object": 1, // disallow use of the Object constructor
"no-spaced-func": 1, // disallow space between function identifier and application
"no-ternary": 0, // disallow the use of ternary operators (off by default)
"no-trailing-spaces": 1, // disallow trailing whitespace at the end of lines
"no-underscore-dangle": 1, // disallow dangling underscores in identifiers
"object-curly-spacing": [1, "always"],
"one-var": [1, "never"], // allow just one var statement per function (off by default)
"operator-assignment": [1, "never"], // require assignment operator shorthand where possible or prohibit it entirely (off by default)
"padded-blocks": [1, "never"], // enforce padding within blocks (off by default)
"quote-props": [1, "as-needed"], // require quotes around object literal property names (off by default)
"quotes": [1, "single", { "avoidEscape": true, "allowTemplateLiterals": true }], // specify whether double or single quotes should be used
"semi": [1, "always"], // require or disallow use of semicolons instead of ASI
"semi-spacing": [1, {"before": false, "after": true}], // enforce spacing before and after semicolons
"sort-vars": 0, // sort variables within the same declaration block (off by default)
"space-before-blocks": [1, "always"], // require or disallow space before blocks (off by default)
"space-before-function-paren": [1, {"anonymous": "always", "named": "never"}], // require or disallow space before function opening parenthesis (off by default)
"space-in-parens": [1, "never"], // require or disallow spaces inside parentheses (off by default)
"space-infix-ops": ["error", { "int32Hint": false }], // require spaces around operators
"space-unary-ops": [1, {"words": true, "nonwords": false}], // Require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
"spaced-comment": [1, "always"], // require or disallow a space immediately following the // in a line comment (off by default)
"wrap-regex": 0, // require regex literals to be wrapped in parentheses (off by default)
//
// ECMAScript 6
//
// These rules are only relevant to ES6 environments and are off by default.
//
"no-var": 2, // require let or const instead of var (off by default)
"generator-star-spacing": [2, "before"], // enforce the spacing around the * in generator functions (off by default)
//
// Legacy
//
// The following rules are included for compatibility with JSHint and JSLint.
// While the names of the rules may not match up with the JSHint/JSLint counterpart,
// the functionality is the same.
//
"max-depth": 0, // specify the maximum depth that blocks can be nested (off by default)
"max-len": [0, 200], // specify the maximum length of a line in your program (off by default)
"max-params": [2, 5], // limits the number of parameters that can be used in the function declaration. (off by default)
"max-statements": 0, // specify the maximum number of statement allowed in a function (off by default)
"no-bitwise": 0, // disallow use of bitwise operators (off by default)
"no-plusplus": [1, { "allowForLoopAfterthoughts": true }], // disallow use of unary operators, ++ and -- (off by default)
//
// eslint-plugin-react
//
// React specific linting rules for ESLint
//
"react/display-name": 0, // Prevent missing displayName in a React component definition
"react/jsx-no-undef": 2, // Disallow undeclared variables in JSX
"react/jsx-sort-props": 0, // Enforce props alphabetical sorting
"react/jsx-uses-react": 2, // Prevent React to be incorrectly marked as unused
"react/jsx-uses-vars": 2, // Prevent variables used in JSX to be incorrectly marked as unused
"react/jsx-wrap-multilines": 2, // Prevent missing parentheses around multilines JSX
"react/no-did-mount-set-state": 2, // Prevent usage of setState in componentDidMount
"react/no-did-update-set-state": 2, // Prevent usage of setState in componentDidUpdate
"react/no-multi-comp": 0, // Prevent multiple component definition per file
"react/no-unknown-property": 2, // Prevent usage of unknown DOM property
"react/prop-types": 0, // Prevent missing props validation in a React component definition
"react/react-in-jsx-scope": 0, // Prevent missing React when using JSX
"react/self-closing-comp": 2, // Prevent extra closing tags for components without children
}
}