module.exports = { extends: [ "eslint:recommended", "plugin:@typescript-eslint/recommended" ], env: { browser: true, node: true, es6: true, es2020: true }, parser: "@typescript-eslint/parser", parserOptions: { ecmaVersion: 2020, sourceType: "module" }, plugins: [ "@typescript-eslint" ], rules: { "linebreak-style": [ "error", process.platform === "win32" ? "windows" : "unix" ], // // 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-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": 2, // require return statements to either always or never specify values curly: [ 2, "multi-or-nest" ], // 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-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, "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: [ "error", "tab", { SwitchCase: 1 } ], // this option sets a specific tab width for your code (off by default) "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, "that" ], // 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 "max-nested-callbacks": [ 1, 4 ], // 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: 1 } ], // disallow multiple empty lines (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": 0, // disallow dangling underscores in identifiers "one-var": [ 1, "never" ], // allow just one var statement per function (off by default) "operator-assignment": [ 1, "always" ], // 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, "double" ], // specify whether double or single quotes should be used semi: [ 2, "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) "keyword-spacing": [ 1, { before: true, after: true, overrides: {} } ], // require a space after certain keywords (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) "object-curly-spacing": [ 1, "always" ], // require or disallow spaces inside brackets (off by default) "space-in-parens": [ 1, "never" ], // require or disallow spaces inside parentheses (off by default) "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": [ 2, 5 ], // specify the maximum depth that blocks can be nested (off by default) "max-len": [ 2, 200, 2 ], // specify the maximum length of a line in your program (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": [ "error", { allowForLoopAfterthoughts: true } ], // disallow use of unary operators, ++ and -- (off by default) "react/prop-types": 0, "react/jsx-no-target-blank": 0 }, overrides: [ { files: ["*.ts", "*.tsx"], extends: [ "plugin:@typescript-eslint/recommended", "plugin:@typescript-eslint/recommended-requiring-type-checking" ], parserOptions: { project: ["./tsconfig.json"] } } ] };