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.eslintrc
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.eslintrc
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{
"env": {
"node": true,
"mocha": true,
"es6": true
},
"parserOptions": {
"ecmaVersion": 8
},
"globals": {
},
"rules": {
// Strict mode to support babel
"strict": 2, // controls location of Use Strict Directives. 0: required by `babel-eslint`
// Possible Errors or Mistakes
"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-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": 0, // 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
"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, // specify curly brace conventions for all control statements
"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-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-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": 1, // 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
// Variable related
"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-use-before-define": 2, // disallow use of variables before they are defined
// ESLint 6
"no-var": 0, // require let or const instead of var (off by default)
"generator-star-spacing": [1, "before"], // enforce the spacing around the * in generator functions (off by default)
// Legacy for jshint/jslint support
"max-depth": [1, 3], // specify the maximum depth that blocks can be nested (off by default)
"max-params": [1, 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, // disallow use of unary operators, ++ and -- (off by default)
// Overrides
"indent": [1, 4, {"VariableDeclarator": { "var": 1, "let": 1, "const": 1}, "SwitchCase": 1 }],
"max-len": [1, 200, 4, {"ignoreComments": true}],
"quote-props": [1, "consistent-as-needed"],
"no-cond-assign": [2, "except-parens"],
"object-shorthand": 0,
"space-infix-ops": 0,
"no-unused-vars": [1, {"vars": "local", "args": "none"}],
"one-var": [2, {"uninitialized": "always", "initialized": "never"}],
"default-case": 2,
"quotes": [1, "single", "avoid-escape"],
"no-multi-spaces": [0, { "exceptions": {
"Property": true,
"VariableDeclarator": true,
"ImportDeclaration": true } }],
"comma-dangle": 1,
"key-spacing": [1, { "align": "value" }],
"no-param-reassign": 0,
"no-debugger": 1, // disallow use of debugger
}
}