config/webpack/modules/resolve.js

Summary

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Expected indentation of 2 spaces but found 6.
Open

      files = require('../base/files'),

Found in config/webpack/modules/resolve.js by eslint

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enforce consistent indentation (indent)

There are several common guidelines which require specific indentation of nested blocks and statements, like:

function hello(indentSize, type) {
    if (indentSize === 4 && type !== 'tab') {
        console.log('Each next indentation will increase on 4 spaces');
    }
}

These are the most common scenarios recommended in different style guides:

Two spaces, not longer and no tabs: Google, npm, Node.js, Idiomatic, Felix
Tabs: jQuery
Four spaces: Crockford

Rule Details

This rule enforces a consistent indentation style. The default style is 4 spaces.

Options

This rule has a mixed option:

For example, for 2-space indentation:

{
    "indent": ["error", 2]
}

Or for tabbed indentation:

{
    "indent": ["error", "tab"]
}

Examples of incorrect code for this rule with the default options:

/*eslint indent: "error"*/

if (a) {
  b=c;
  function foo(d) {
    e=f;
  }
}

Examples of correct code for this rule with the default options:

/*eslint indent: "error"*/

if (a) {
    b=c;
    function foo(d) {
        e=f;
    }
}

This rule has an object option:

"SwitchCase" (default: 0) enforces indentation level for case clauses in switch statements
"VariableDeclarator" (default: 1) enforces indentation level for var declarators; can also take an object to define separate rules for var, let and const declarations.
"outerIIFEBody" (default: 1) enforces indentation level for file-level IIFEs.
"MemberExpression" (off by default) enforces indentation level for multi-line property chains (except in variable declarations and assignments)
"FunctionDeclaration" takes an object to define rules for function declarations.
- parameters (off by default) enforces indentation level for parameters in a function declaration. This can either be a number indicating indentation level, or the string "first" indicating that all parameters of the declaration must be aligned with the first parameter.
- body (default: 1) enforces indentation level for the body of a function declaration.
"FunctionExpression" takes an object to define rules for function expressions.
- parameters (off by default) enforces indentation level for parameters in a function expression. This can either be a number indicating indentation level, or the string "first" indicating that all parameters of the expression must be aligned with the first parameter.
- body (default: 1) enforces indentation level for the body of a function expression.
"CallExpression" takes an object to define rules for function call expressions.
- arguments (off by default) enforces indentation level for arguments in a call expression. This can either be a number indicating indentation level, or the string "first" indicating that all arguments of the expression must be aligned with the first argument.
"ArrayExpression" (default: 1) enforces indentation level for elements in arrays. It can also be set to the string "first", indicating that all the elements in the array should be aligned with the first element.
"ObjectExpression" (default: 1) enforces indentation level for properties in objects. It can be set to the string "first", indicating that all properties in the object should be aligned with the first property.

Level of indentation denotes the multiple of the indent specified. Example:

Indent of 4 spaces with VariableDeclarator set to 2 will indent the multi-line variable declarations with 8 spaces.
Indent of 2 spaces with VariableDeclarator set to 2 will indent the multi-line variable declarations with 4 spaces.
Indent of 2 spaces with VariableDeclarator set to {"var": 2, "let": 2, "const": 3} will indent the multi-line variable declarations with 4 spaces for var and let, 6 spaces for const statements.
Indent of tab with VariableDeclarator set to 2 will indent the multi-line variable declarations with 2 tabs.
Indent of 2 spaces with SwitchCase set to 0 will not indent case clauses with respect to switch statements.
Indent of 2 spaces with SwitchCase set to 1 will indent case clauses with 2 spaces with respect to switch statements.
Indent of 2 spaces with SwitchCase set to 2 will indent case clauses with 4 spaces with respect to switch statements.
Indent of tab with SwitchCase set to 2 will indent case clauses with 2 tabs with respect to switch statements.
Indent of 2 spaces with MemberExpression set to 0 will indent the multi-line property chains with 0 spaces.
Indent of 2 spaces with MemberExpression set to 1 will indent the multi-line property chains with 2 spaces.
Indent of 2 spaces with MemberExpression set to 2 will indent the multi-line property chains with 4 spaces.
Indent of 4 spaces with MemberExpression set to 0 will indent the multi-line property chains with 0 spaces.
Indent of 4 spaces with MemberExpression set to 1 will indent the multi-line property chains with 4 spaces.
Indent of 4 spaces with MemberExpression set to 2 will indent the multi-line property chains with 8 spaces.

tab

Examples of incorrect code for this rule with the "tab" option:

/*eslint indent: ["error", "tab"]*/

if (a) {
     b=c;
function foo(d) {
           e=f;
 }
}

Examples of correct code for this rule with the "tab" option:

/*eslint indent: ["error", "tab"]*/

if (a) {
/*tab*/b=c;
/*tab*/function foo(d) {
/*tab*//*tab*/e=f;
/*tab*/}
}

SwitchCase

Examples of incorrect code for this rule with the 2, { "SwitchCase": 1 } options:

/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/

switch(a){
case "a":
    break;
case "b":
    break;
}

Examples of correct code for this rule with the 2, { "SwitchCase": 1 } option:

/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/

switch(a){
  case "a":
    break;
  case "b":
    break;
}

VariableDeclarator

Examples of incorrect code for this rule with the 2, { "VariableDeclarator": 1 } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
/*eslint-env es6*/

var a,
    b,
    c;
let a,
    b,
    c;
const a = 1,
    b = 2,
    c = 3;

Examples of correct code for this rule with the 2, { "VariableDeclarator": 1 } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
/*eslint-env es6*/

var a,
  b,
  c;
let a,
  b,
  c;
const a = 1,
  b = 2,
  c = 3;

Examples of correct code for this rule with the 2, { "VariableDeclarator": 2 } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": 2 }]*/
/*eslint-env es6*/

var a,
    b,
    c;
let a,
    b,
    c;
const a = 1,
    b = 2,
    c = 3;

Examples of correct code for this rule with the 2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }]*/
/*eslint-env es6*/

var a,
    b,
    c;
let a,
    b,
    c;
const a = 1,
      b = 2,
      c = 3;

outerIIFEBody

Examples of incorrect code for this rule with the options 2, { "outerIIFEBody": 0 }:

/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/

(function() {

  function foo(x) {
    return x + 1;
  }

})();


if(y) {
console.log('foo');
}

Examples of correct code for this rule with the options 2, {"outerIIFEBody": 0}:

/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/

(function() {

function foo(x) {
  return x + 1;
}

})();


if(y) {
   console.log('foo');
}

MemberExpression

Examples of incorrect code for this rule with the 2, { "MemberExpression": 1 } options:

/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/

foo
.bar
.baz()

Examples of correct code for this rule with the 2, { "MemberExpression": 1 } option:

/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/

foo
  .bar
  .baz();

// Any indentation is permitted in variable declarations and assignments.
var bip = aardvark.badger
                  .coyote;

FunctionDeclaration

Examples of incorrect code for this rule with the 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/

function foo(bar,
  baz,
  qux) {
    qux();
}

Examples of correct code for this rule with the 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/

function foo(bar,
    baz,
    qux) {
  qux();
}

Examples of incorrect code for this rule with the 2, { "FunctionDeclaration": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/

function foo(bar, baz,
  qux, boop) {
  qux();
}

Examples of correct code for this rule with the 2, { "FunctionDeclaration": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/

function foo(bar, baz,
             qux, boop) {
  qux();
}

FunctionExpression

Examples of incorrect code for this rule with the 2, { "FunctionExpression": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/

var foo = function(bar,
  baz,
  qux) {
    qux();
}

Examples of correct code for this rule with the 2, { "FunctionExpression": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/

var foo = function(bar,
    baz,
    qux) {
  qux();
}

Examples of incorrect code for this rule with the 2, { "FunctionExpression": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/

var foo = function(bar, baz,
  qux, boop) {
  qux();
}

Examples of correct code for this rule with the 2, { "FunctionExpression": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/

var foo = function(bar, baz,
                   qux, boop) {
  qux();
}

CallExpression

Examples of incorrect code for this rule with the 2, { "CallExpression": {"arguments": 1} } option:

/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/

foo(bar,
    baz,
      qux
);

Examples of correct code for this rule with the 2, { "CallExpression": {"arguments": 1} } option:

/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/

foo(bar,
  baz,
  qux
);

Examples of incorrect code for this rule with the 2, { "CallExpression": {"arguments": "first"} } option:

/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/

foo(bar, baz,
  baz, boop, beep);

Examples of correct code for this rule with the 2, { "CallExpression": {"arguments": "first"} } option:

/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/

foo(bar, baz,
    baz, boop, beep);

ArrayExpression

Examples of incorrect code for this rule with the 2, { "ArrayExpression": 1 } option:

/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/

var foo = [
    bar,
baz,
      qux
];

Examples of correct code for this rule with the 2, { "ArrayExpression": 1 } option:

/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/

var foo = [
  bar,
  baz,
  qux
];

Examples of incorrect code for this rule with the 2, { "ArrayExpression": "first" } option:

/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/

var foo = [bar,
  baz,
  qux
];

Examples of correct code for this rule with the 2, { "ArrayExpression": "first" } option:

/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/

var foo = [bar,
           baz,
           qux
];

ObjectExpression

Examples of incorrect code for this rule with the 2, { "ObjectExpression": 1 } option:

/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/

var foo = {
    bar: 1,
baz: 2,
      qux: 3
};

Examples of correct code for this rule with the 2, { "ObjectExpression": 1 } option:

/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/

var foo = {
  bar: 1,
  baz: 2,
  qux: 3
};

Examples of incorrect code for this rule with the 2, { "ObjectExpression": "first" } option:

/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/

var foo = { bar: 1,
  baz: 2 };

Examples of correct code for this rule with the 2, { "ObjectExpression": "first" } option:

/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/

var foo = { bar: 1,
            baz: 2 };

Compatibility

JSHint: indent
JSCS: validateIndentation Source: http://eslint.org/docs/rules/

Unnecessarily quoted property 'lib' found.
Open

    'lib': path.resolve(files.staticPath, 'index.js'),

Found in config/webpack/modules/resolve.js by eslint

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Exclude checks
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- Disable check

require quotes around object literal property names (quote-props)

Object literal property names can be defined in two ways: using literals or using strings. For example, these two objects are equivalent:

var object1 = {
    property: true
};

var object2 = {
    "property": true
};

In many cases, it doesn't matter if you choose to use an identifier instead of a string or vice-versa. Even so, you might decide to enforce a consistent style in your code.

There are, however, some occasions when you must use quotes:

If you are using an ECMAScript 3 JavaScript engine (such as IE8) and you want to use a keyword (such as if) as a property name. This restriction was removed in ECMAScript 5.
You want to use a non-identifier character in your property name, such as having a property with a space like "one two".

Another example where quotes do matter is when using numeric literals as property keys:

var object = {
    1e2: 1,
    100: 2
};

This may look alright at first sight, but this code in fact throws a syntax error in ECMAScript 5 strict mode. This happens because 1e2 and 100 are coerced into strings before getting used as the property name. Both String(1e2) and String(100) happen to be equal to "100", which causes the "Duplicate data property in object literal not allowed in strict mode" error. Issues like that can be tricky to debug, so some prefer to require quotes around all property names.

Rule Details

This rule requires quotes around object literal property names.

Options

This rule has two options, a string option and an object option.

String option:

"always" (default) requires quotes around all object literal property names
"as-needed" disallows quotes around object literal property names that are not strictly required
"consistent" enforces a consistent quote style requires quotes around object literal property names
"consistent-as-needed" requires quotes around all object literal property names if any name strictly requires quotes, otherwise disallows quotes around object property names

Object option:

"keywords": true requires quotes around language keywords used as object property names (only applies when using as-needed or consistent-as-needed)
"unnecessary": true (default) disallows quotes around object literal property names that are not strictly required (only applies when using as-needed)
"unnecessary": false allows quotes around object literal property names that are not strictly required (only applies when using as-needed)
"numbers": true requires quotes around numbers used as object property names (only applies when using as-needed)

always

Examples of incorrect code for this rule with the default "always" option:

/*eslint quote-props: ["error", "always"]*/

var object = {
    foo: "bar",
    baz: 42,
    "qux-lorem": true
};

Examples of correct code for this rule with the default "always" option:

/*eslint quote-props: ["error", "always"]*/
/*eslint-env es6*/

var object1 = {
    "foo": "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    'baz': 42,
    'qux-lorem': true
};

var object3 = {
    foo() {
        return;
    }
};

as-needed

Examples of incorrect code for this rule with the "as-needed" option:

/*eslint quote-props: ["error", "as-needed"]*/

var object = {
    "a": 0,
    "0": 0,
    "true": 0,
    "null": 0
};

Examples of correct code for this rule with the "as-needed" option:

/*eslint quote-props: ["error", "as-needed"]*/
/*eslint-env es6*/

var object1 = {
    "a-b": 0,
    "0x0": 0,
    "1e2": 0
};

var object2 = {
    foo: 'bar',
    baz: 42,
    true: 0,
    0: 0,
    'qux-lorem': true
};

var object3 = {
    foo() {
        return;
    }
};

consistent

Examples of incorrect code for this rule with the "consistent" option:

/*eslint quote-props: ["error", "consistent"]*/

var object1 = {
    foo: "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    baz: 42
};

Examples of correct code for this rule with the "consistent" option:

/*eslint quote-props: ["error", "consistent"]*/

var object1 = {
    "foo": "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    'baz': 42
};

var object3 = {
    foo: 'bar',
    baz: 42
};

consistent-as-needed

Examples of incorrect code for this rule with the "consistent-as-needed" option:

/*eslint quote-props: ["error", "consistent-as-needed"]*/

var object1 = {
    foo: "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    'baz': 42
};

Examples of correct code for this rule with the "consistent-as-needed" option:

/*eslint quote-props: ["error", "consistent-as-needed"]*/

var object1 = {
    "foo": "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    foo: 'bar',
    baz: 42
};

keywords

Examples of additional incorrect code for this rule with the "as-needed", { "keywords": true } options:

/*eslint quote-props: ["error", "as-needed", { "keywords": true }]*/

var x = {
    while: 1,
    volatile: "foo"
};

Examples of additional incorrect code for this rule with the "consistent-as-needed", { "keywords": true } options:

/*eslint quote-props: ["error", "consistent-as-needed", { "keywords": true }]*/

var x = {
    "prop": 1,
    "bar": "foo"
};

unnecessary

Examples of additional correct code for this rule with the "as-needed", { "unnecessary": false } options:

/*eslint quote-props: ["error", "as-needed", { "keywords": true, "unnecessary": false }]*/

var x = {
    "while": 1,
    "foo": "bar"  // Would normally have caused a warning
};

numbers

Examples of additional incorrect code for this rule with the "as-needed", { "numbers": true } options:

/*eslint quote-props: ["error", "as-needed", { "numbers": true }]*/

var x = {
    100: 1
}

When Not To Use It

If you don't care if property names are consistently wrapped in quotes or not, and you don't target legacy ES3 environments, turn this rule off.

enforce consistent indentation (indent)

There are several common guidelines which require specific indentation of nested blocks and statements, like:

function hello(indentSize, type) {
    if (indentSize === 4 && type !== 'tab') {
        console.log('Each next indentation will increase on 4 spaces');
    }
}

These are the most common scenarios recommended in different style guides:

Two spaces, not longer and no tabs: Google, npm, Node.js, Idiomatic, Felix
Tabs: jQuery
Four spaces: Crockford

Rule Details

This rule enforces a consistent indentation style. The default style is 4 spaces.

Options

This rule has a mixed option:

For example, for 2-space indentation:

{
    "indent": ["error", 2]
}

Or for tabbed indentation:

{
    "indent": ["error", "tab"]
}

Examples of incorrect code for this rule with the default options:

/*eslint indent: "error"*/

if (a) {
  b=c;
  function foo(d) {
    e=f;
  }
}

Examples of correct code for this rule with the default options:

/*eslint indent: "error"*/

if (a) {
    b=c;
    function foo(d) {
        e=f;
    }
}

This rule has an object option:

"SwitchCase" (default: 0) enforces indentation level for case clauses in switch statements
"VariableDeclarator" (default: 1) enforces indentation level for var declarators; can also take an object to define separate rules for var, let and const declarations.
"outerIIFEBody" (default: 1) enforces indentation level for file-level IIFEs.
"MemberExpression" (off by default) enforces indentation level for multi-line property chains (except in variable declarations and assignments)
"FunctionDeclaration" takes an object to define rules for function declarations.
- parameters (off by default) enforces indentation level for parameters in a function declaration. This can either be a number indicating indentation level, or the string "first" indicating that all parameters of the declaration must be aligned with the first parameter.
- body (default: 1) enforces indentation level for the body of a function declaration.
"FunctionExpression" takes an object to define rules for function expressions.
- parameters (off by default) enforces indentation level for parameters in a function expression. This can either be a number indicating indentation level, or the string "first" indicating that all parameters of the expression must be aligned with the first parameter.
- body (default: 1) enforces indentation level for the body of a function expression.
"CallExpression" takes an object to define rules for function call expressions.
- arguments (off by default) enforces indentation level for arguments in a call expression. This can either be a number indicating indentation level, or the string "first" indicating that all arguments of the expression must be aligned with the first argument.
"ArrayExpression" (default: 1) enforces indentation level for elements in arrays. It can also be set to the string "first", indicating that all the elements in the array should be aligned with the first element.
"ObjectExpression" (default: 1) enforces indentation level for properties in objects. It can be set to the string "first", indicating that all properties in the object should be aligned with the first property.

Level of indentation denotes the multiple of the indent specified. Example:

Indent of 4 spaces with VariableDeclarator set to 2 will indent the multi-line variable declarations with 8 spaces.
Indent of 2 spaces with VariableDeclarator set to 2 will indent the multi-line variable declarations with 4 spaces.
Indent of 2 spaces with VariableDeclarator set to {"var": 2, "let": 2, "const": 3} will indent the multi-line variable declarations with 4 spaces for var and let, 6 spaces for const statements.
Indent of tab with VariableDeclarator set to 2 will indent the multi-line variable declarations with 2 tabs.
Indent of 2 spaces with SwitchCase set to 0 will not indent case clauses with respect to switch statements.
Indent of 2 spaces with SwitchCase set to 1 will indent case clauses with 2 spaces with respect to switch statements.
Indent of 2 spaces with SwitchCase set to 2 will indent case clauses with 4 spaces with respect to switch statements.
Indent of tab with SwitchCase set to 2 will indent case clauses with 2 tabs with respect to switch statements.
Indent of 2 spaces with MemberExpression set to 0 will indent the multi-line property chains with 0 spaces.
Indent of 2 spaces with MemberExpression set to 1 will indent the multi-line property chains with 2 spaces.
Indent of 2 spaces with MemberExpression set to 2 will indent the multi-line property chains with 4 spaces.
Indent of 4 spaces with MemberExpression set to 0 will indent the multi-line property chains with 0 spaces.
Indent of 4 spaces with MemberExpression set to 1 will indent the multi-line property chains with 4 spaces.
Indent of 4 spaces with MemberExpression set to 2 will indent the multi-line property chains with 8 spaces.

tab

Examples of incorrect code for this rule with the "tab" option:

/*eslint indent: ["error", "tab"]*/

if (a) {
     b=c;
function foo(d) {
           e=f;
 }
}

Examples of correct code for this rule with the "tab" option:

/*eslint indent: ["error", "tab"]*/

if (a) {
/*tab*/b=c;
/*tab*/function foo(d) {
/*tab*//*tab*/e=f;
/*tab*/}
}

SwitchCase

Examples of incorrect code for this rule with the 2, { "SwitchCase": 1 } options:

/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/

switch(a){
case "a":
    break;
case "b":
    break;
}

Examples of correct code for this rule with the 2, { "SwitchCase": 1 } option:

/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/

switch(a){
  case "a":
    break;
  case "b":
    break;
}

VariableDeclarator

Examples of incorrect code for this rule with the 2, { "VariableDeclarator": 1 } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
/*eslint-env es6*/

var a,
    b,
    c;
let a,
    b,
    c;
const a = 1,
    b = 2,
    c = 3;

Examples of correct code for this rule with the 2, { "VariableDeclarator": 1 } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
/*eslint-env es6*/

var a,
  b,
  c;
let a,
  b,
  c;
const a = 1,
  b = 2,
  c = 3;

Examples of correct code for this rule with the 2, { "VariableDeclarator": 2 } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": 2 }]*/
/*eslint-env es6*/

var a,
    b,
    c;
let a,
    b,
    c;
const a = 1,
    b = 2,
    c = 3;

Examples of correct code for this rule with the 2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } } options:

/*eslint indent: ["error", 2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }]*/
/*eslint-env es6*/

var a,
    b,
    c;
let a,
    b,
    c;
const a = 1,
      b = 2,
      c = 3;

outerIIFEBody

Examples of incorrect code for this rule with the options 2, { "outerIIFEBody": 0 }:

/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/

(function() {

  function foo(x) {
    return x + 1;
  }

})();


if(y) {
console.log('foo');
}

Examples of correct code for this rule with the options 2, {"outerIIFEBody": 0}:

/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/

(function() {

function foo(x) {
  return x + 1;
}

})();


if(y) {
   console.log('foo');
}

MemberExpression

Examples of incorrect code for this rule with the 2, { "MemberExpression": 1 } options:

/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/

foo
.bar
.baz()

Examples of correct code for this rule with the 2, { "MemberExpression": 1 } option:

/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/

foo
  .bar
  .baz();

// Any indentation is permitted in variable declarations and assignments.
var bip = aardvark.badger
                  .coyote;

FunctionDeclaration

Examples of incorrect code for this rule with the 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/

function foo(bar,
  baz,
  qux) {
    qux();
}

Examples of correct code for this rule with the 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/

function foo(bar,
    baz,
    qux) {
  qux();
}

Examples of incorrect code for this rule with the 2, { "FunctionDeclaration": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/

function foo(bar, baz,
  qux, boop) {
  qux();
}

Examples of correct code for this rule with the 2, { "FunctionDeclaration": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/

function foo(bar, baz,
             qux, boop) {
  qux();
}

FunctionExpression

Examples of incorrect code for this rule with the 2, { "FunctionExpression": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/

var foo = function(bar,
  baz,
  qux) {
    qux();
}

Examples of correct code for this rule with the 2, { "FunctionExpression": {"body": 1, "parameters": 2} } option:

/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/

var foo = function(bar,
    baz,
    qux) {
  qux();
}

Examples of incorrect code for this rule with the 2, { "FunctionExpression": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/

var foo = function(bar, baz,
  qux, boop) {
  qux();
}

Examples of correct code for this rule with the 2, { "FunctionExpression": {"parameters": "first"} } option:

/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/

var foo = function(bar, baz,
                   qux, boop) {
  qux();
}

CallExpression

Examples of incorrect code for this rule with the 2, { "CallExpression": {"arguments": 1} } option:

/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/

foo(bar,
    baz,
      qux
);

Examples of correct code for this rule with the 2, { "CallExpression": {"arguments": 1} } option:

/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/

foo(bar,
  baz,
  qux
);

Examples of incorrect code for this rule with the 2, { "CallExpression": {"arguments": "first"} } option:

/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/

foo(bar, baz,
  baz, boop, beep);

Examples of correct code for this rule with the 2, { "CallExpression": {"arguments": "first"} } option:

/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/

foo(bar, baz,
    baz, boop, beep);

ArrayExpression

Examples of incorrect code for this rule with the 2, { "ArrayExpression": 1 } option:

/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/

var foo = [
    bar,
baz,
      qux
];

Examples of correct code for this rule with the 2, { "ArrayExpression": 1 } option:

/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/

var foo = [
  bar,
  baz,
  qux
];

Examples of incorrect code for this rule with the 2, { "ArrayExpression": "first" } option:

/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/

var foo = [bar,
  baz,
  qux
];

Examples of correct code for this rule with the 2, { "ArrayExpression": "first" } option:

/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/

var foo = [bar,
           baz,
           qux
];

ObjectExpression

Examples of incorrect code for this rule with the 2, { "ObjectExpression": 1 } option:

/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/

var foo = {
    bar: 1,
baz: 2,
      qux: 3
};

Examples of correct code for this rule with the 2, { "ObjectExpression": 1 } option:

/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/

var foo = {
  bar: 1,
  baz: 2,
  qux: 3
};

Examples of incorrect code for this rule with the 2, { "ObjectExpression": "first" } option:

/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/

var foo = { bar: 1,
  baz: 2 };

Examples of correct code for this rule with the 2, { "ObjectExpression": "first" } option:

/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/

var foo = { bar: 1,
            baz: 2 };

Compatibility

JSHint: indent
JSCS: validateIndentation Source: http://eslint.org/docs/rules/

Unnecessarily quoted property 'css' found.
Open

    'css': path.resolve(files.cssPath, 'index.' + base.cssType)

Found in config/webpack/modules/resolve.js by eslint

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require quotes around object literal property names (quote-props)

Object literal property names can be defined in two ways: using literals or using strings. For example, these two objects are equivalent:

var object1 = {
    property: true
};

var object2 = {
    "property": true
};

In many cases, it doesn't matter if you choose to use an identifier instead of a string or vice-versa. Even so, you might decide to enforce a consistent style in your code.

There are, however, some occasions when you must use quotes:

If you are using an ECMAScript 3 JavaScript engine (such as IE8) and you want to use a keyword (such as if) as a property name. This restriction was removed in ECMAScript 5.
You want to use a non-identifier character in your property name, such as having a property with a space like "one two".

Another example where quotes do matter is when using numeric literals as property keys:

var object = {
    1e2: 1,
    100: 2
};

Rule Details

This rule requires quotes around object literal property names.

Options

This rule has two options, a string option and an object option.

String option:

"always" (default) requires quotes around all object literal property names
"as-needed" disallows quotes around object literal property names that are not strictly required
"consistent" enforces a consistent quote style requires quotes around object literal property names
"consistent-as-needed" requires quotes around all object literal property names if any name strictly requires quotes, otherwise disallows quotes around object property names

Object option:

"keywords": true requires quotes around language keywords used as object property names (only applies when using as-needed or consistent-as-needed)
"unnecessary": true (default) disallows quotes around object literal property names that are not strictly required (only applies when using as-needed)
"unnecessary": false allows quotes around object literal property names that are not strictly required (only applies when using as-needed)
"numbers": true requires quotes around numbers used as object property names (only applies when using as-needed)

always

Examples of incorrect code for this rule with the default "always" option:

/*eslint quote-props: ["error", "always"]*/

var object = {
    foo: "bar",
    baz: 42,
    "qux-lorem": true
};

Examples of correct code for this rule with the default "always" option:

/*eslint quote-props: ["error", "always"]*/
/*eslint-env es6*/

var object1 = {
    "foo": "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    'baz': 42,
    'qux-lorem': true
};

var object3 = {
    foo() {
        return;
    }
};

as-needed

Examples of incorrect code for this rule with the "as-needed" option:

/*eslint quote-props: ["error", "as-needed"]*/

var object = {
    "a": 0,
    "0": 0,
    "true": 0,
    "null": 0
};

Examples of correct code for this rule with the "as-needed" option:

/*eslint quote-props: ["error", "as-needed"]*/
/*eslint-env es6*/

var object1 = {
    "a-b": 0,
    "0x0": 0,
    "1e2": 0
};

var object2 = {
    foo: 'bar',
    baz: 42,
    true: 0,
    0: 0,
    'qux-lorem': true
};

var object3 = {
    foo() {
        return;
    }
};

consistent

Examples of incorrect code for this rule with the "consistent" option:

/*eslint quote-props: ["error", "consistent"]*/

var object1 = {
    foo: "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    baz: 42
};

Examples of correct code for this rule with the "consistent" option:

/*eslint quote-props: ["error", "consistent"]*/

var object1 = {
    "foo": "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    'baz': 42
};

var object3 = {
    foo: 'bar',
    baz: 42
};

consistent-as-needed

Examples of incorrect code for this rule with the "consistent-as-needed" option:

/*eslint quote-props: ["error", "consistent-as-needed"]*/

var object1 = {
    foo: "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    'foo': 'bar',
    'baz': 42
};

Examples of correct code for this rule with the "consistent-as-needed" option:

/*eslint quote-props: ["error", "consistent-as-needed"]*/

var object1 = {
    "foo": "bar",
    "baz": 42,
    "qux-lorem": true
};

var object2 = {
    foo: 'bar',
    baz: 42
};

keywords

Examples of additional incorrect code for this rule with the "as-needed", { "keywords": true } options:

/*eslint quote-props: ["error", "as-needed", { "keywords": true }]*/

var x = {
    while: 1,
    volatile: "foo"
};

Examples of additional incorrect code for this rule with the "consistent-as-needed", { "keywords": true } options:

/*eslint quote-props: ["error", "consistent-as-needed", { "keywords": true }]*/

var x = {
    "prop": 1,
    "bar": "foo"
};

unnecessary

Examples of additional correct code for this rule with the "as-needed", { "unnecessary": false } options:

/*eslint quote-props: ["error", "as-needed", { "keywords": true, "unnecessary": false }]*/

var x = {
    "while": 1,
    "foo": "bar"  // Would normally have caused a warning
};

numbers

Examples of additional incorrect code for this rule with the "as-needed", { "numbers": true } options:

/*eslint quote-props: ["error", "as-needed", { "numbers": true }]*/

var x = {
    100: 1
}

When Not To Use It

If you don't care if property names are consistently wrapped in quotes or not, and you don't target legacy ES3 environments, turn this rule off.

Suggest using template literals instead of string concatenation. (prefer-template)

In ES2015 (ES6), we can use template literals instead of string concatenation.

var str = "Hello, " + name + "!";

/*eslint-env es6*/

var str = `Hello, ${name}!`;

Rule Details

This rule is aimed to flag usage of + operators with strings.

Examples

Examples of incorrect code for this rule:

/*eslint prefer-template: "error"*/

var str = "Hello, " + name + "!";
var str = "Time: " + (12 * 60 * 60 * 1000);

Examples of correct code for this rule:

/*eslint prefer-template: "error"*/
/*eslint-env es6*/

var str = "Hello World!";
var str = `Hello, ${name}!`;
var str = `Time: ${12 * 60 * 60 * 1000}`;

// This is reported by `no-useless-concat`.
var str = "Hello, " + "World!";

When Not To Use It

This rule should not be used in ES3/5 environments.

In ES2015 (ES6) or later, if you don't want to be notified about string concatenation, you can safely disable this rule.

Related Rules

[no-useless-concat](no-useless-concat.md)
[quotes](quotes.md) Source: http://eslint.org/docs/rules/

Split 'const' declarations into multiple statements.
Open

const base  = require('../base/base'),

Found in config/webpack/modules/resolve.js by eslint

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enforce variables to be declared either together or separately in functions (one-var)

Variables can be declared at any point in JavaScript code using var, let, or const. There are many styles and preferences related to the declaration of variables, and one of those is deciding on how many variable declarations should be allowed in a single function.

There are two schools of thought in this regard:

There should be just one variable declaration for all variables in the function. That declaration typically appears at the top of the function.
You should use one variable declaration for each variable you want to define.

For instance:

// one variable declaration per function
function foo() {
    var bar, baz;
}

// multiple variable declarations per function
function foo() {
    var bar;
    var baz;
}

The single-declaration school of thought is based in pre-ECMAScript 6 behaviors, where there was no such thing as block scope, only function scope. Since all var statements are hoisted to the top of the function anyway, some believe that declaring all variables in a single declaration at the top of the function removes confusion around scoping rules.

Rule Details

This rule enforces variables to be declared either together or separately per function ( for var) or block (for let and const) scope.

Options

This rule has one option, which can be a string option or an object option.

String option:

"always" (default) requires one variable declaration per scope
"never" requires multiple variable declarations per scope

Object option:

"var": "always" requires one var declaration per function
"var": "never" requires multiple var declarations per function
"let": "always" requires one let declaration per block
"let": "never" requires multiple let declarations per block
"const": "always" requires one const declaration per block
"const": "never" requires multiple const declarations per block

Alternate object option:

"initialized": "always" requires one variable declaration for initialized variables per scope
"initialized": "never" requires multiple variable declarations for initialized variables per scope
"uninitialized": "always" requires one variable declaration for uninitialized variables per scope
"uninitialized": "never" requires multiple variable declarations for uninitialized variables per scope

always

Examples of incorrect code for this rule with the default "always" option:

/*eslint one-var: ["error", "always"]*/
/*eslint-env es6*/

function foo() {
    var bar;
    var baz;
    let qux;
    let norf;
}

function foo(){
    const bar = false;
    const baz = true;
    let qux;
    let norf;
}

function foo() {
    var bar;

    if (baz) {
        var qux = true;
    }
}

Examples of correct code for this rule with the default "always" option:

/*eslint one-var: ["error", "always"]*/
/*eslint-env es6*/

function foo() {
    var bar,
        baz;
    let qux,
        norf;
}

function foo(){
    const bar = true,
        baz = false;
    let qux,
        norf;
}

function foo() {
    var bar,
        qux;

    if (baz) {
        qux = true;
    }
}

function foo(){
    let bar;

    if (baz) {
        let qux;
    }
}

never

Examples of incorrect code for this rule with the "never" option:

/*eslint one-var: ["error", "never"]*/
/*eslint-env es6*/

function foo() {
    var bar,
        baz;
    const bar = true,
        baz = false;
}

function foo() {
    var bar,
        qux;

    if (baz) {
        qux = true;
    }
}

function foo(){
    let bar = true,
        baz = false;
}

Examples of correct code for this rule with the "never" option:

/*eslint one-var: ["error", "never"]*/
/*eslint-env es6*/

function foo() {
    var bar;
    var baz;
}

function foo() {
    var bar;

    if (baz) {
        var qux = true;
    }
}

function foo() {
    let bar;

    if (baz) {
        let qux = true;
    }
}

var, let, and const

Examples of incorrect code for this rule with the { var: "always", let: "never", const: "never" } option:

/*eslint one-var: ["error", { var: "always", let: "never", const: "never" }]*/
/*eslint-env es6*/

function foo() {
    var bar;
    var baz;
    let qux,
        norf;
}

function foo() {
    const bar = 1,
          baz = 2;
    let qux,
        norf;
}

Examples of correct code for this rule with the { var: "always", let: "never", const: "never" } option:

/*eslint one-var: ["error", { var: "always", let: "never", const: "never" }]*/
/*eslint-env es6*/

function foo() {
    var bar,
        baz;
    let qux;
    let norf;
}

function foo() {
    const bar = 1;
    const baz = 2;
    let qux;
    let norf;
}

Examples of incorrect code for this rule with the { var: "never" } option:

/*eslint one-var: ["error", { var: "never" }]*/
/*eslint-env es6*/

function foo() {
    var bar,
        baz;
}

Examples of correct code for this rule with the { var: "never" } option:

/*eslint one-var: ["error", { var: "never" }]*/
/*eslint-env es6*/

function foo() {
    var bar,
        baz;
    const bar = 1; // `const` and `let` declarations are ignored if they are not specified
    const baz = 2;
    let qux;
    let norf;
}

initialized and uninitialized

Examples of incorrect code for this rule with the { "initialized": "always", "uninitialized": "never" } option:

/*eslint one-var: ["error", { "initialized": "always", "uninitialized": "never" }]*/
/*eslint-env es6*/

function foo() {
    var a, b, c;
    var foo = true;
    var bar = false;
}

Examples of correct code for this rule with the { "initialized": "always", "uninitialized": "never" } option:

/*eslint one-var: ["error", { "initialized": "always", "uninitialized": "never" }]*/

function foo() {
    var a;
    var b;
    var c;
    var foo = true,
        bar = false;
}

for (let z of foo) {
    doSomething(z);
}

let z;
for (z of foo) {
    doSomething(z);
}

Examples of incorrect code for this rule with the { "initialized": "never" } option:

/*eslint one-var: ["error", { "initialized": "never" }]*/
/*eslint-env es6*/

function foo() {
    var foo = true,
        bar = false;
}

Examples of correct code for this rule with the { "initialized": "never" } option:

/*eslint one-var: ["error", { initialized: "never" }]*/

function foo() {
    var foo = true;
    var bar = false;
    var a, b, c; // Uninitialized variables are ignored
}

Compatibility

JSHint: This rule maps to the onevar JSHint rule, but allows let and const to be configured separately.
JSCS: This rule roughly maps to disallowMultipleVarDecl Source: http://eslint.org/docs/rules/

Multiple spaces found before '='.
Open

const base  = require('../base/base'),

Found in config/webpack/modules/resolve.js by eslint

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Disallow multiple spaces (no-multi-spaces)

Multiple spaces in a row that are not used for indentation are typically mistakes. For example:

if(foo  === "bar") {}

It's hard to tell, but there are two spaces between foo and ===. Multiple spaces such as this are generally frowned upon in favor of single spaces:

if(foo === "bar") {}

Rule Details

This rule aims to disallow multiple whitespace around logical expressions, conditional expressions, declarations, array elements, object properties, sequences and function parameters.

Examples of incorrect code for this rule:

/*eslint no-multi-spaces: "error"*/

var a =  1;

if(foo   === "bar") {}

a <<  b

var arr = [1,  2];

a ?  b: c

Examples of correct code for this rule:

/*eslint no-multi-spaces: "error"*/

var a = 1;

if(foo === "bar") {}

a << b

var arr = [1, 2];

a ? b: c

Options

To avoid contradictions if some other rules require multiple spaces, this rule has an option to ignore certain node types in the abstract syntax tree (AST) of JavaScript code.

exceptions

The exceptions object expects property names to be AST node types as defined by ESTree. The easiest way to determine the node types for exceptions is to use the online demo.

Only the Property node type is ignored by default, because for the [key-spacing](key-spacing.md) rule some alignment options require multiple spaces in properties of object literals.

Examples of correct code for the default "exceptions": { "Property": true } option:

/*eslint no-multi-spaces: "error"*/
/*eslint key-spacing: ["error", { align: "value" }]*/

var obj = {
    first:  "first",
    second: "second"
};

Examples of incorrect code for the "exceptions": { "Property": false } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "Property": false } }]*/
/*eslint key-spacing: ["error", { align: "value" }]*/

var obj = {
    first:  "first",
    second: "second"
};

Examples of correct code for the "exceptions": { "BinaryExpression": true } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "BinaryExpression": true } }]*/

var a = 1  *  2;

Examples of correct code for the "exceptions": { "VariableDeclarator": true } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "VariableDeclarator": true } }]*/

var someVar      = 'foo';
var someOtherVar = 'barBaz';

Examples of correct code for the "exceptions": { "ImportDeclaration": true } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "ImportDeclaration": true } }]*/

import mod          from 'mod';
import someOtherMod from 'some-other-mod';

When Not To Use It

If you don't want to check and disallow multiple spaces, then you should turn this rule off.

Related Rules

[key-spacing](key-spacing.md)
[space-infix-ops](space-infix-ops.md)
[space-in-brackets](space-in-brackets.md) (deprecated)
[space-in-parens](space-in-parens.md)
[space-after-keywords](space-after-keywords)
[space-unary-ops](space-unary-ops)
[space-return-throw-case](space-return-throw-case) Source: http://eslint.org/docs/rules/

Multiple spaces found before '='.
Open

      path  = require('path');

Found in config/webpack/modules/resolve.js by eslint

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Disallow multiple spaces (no-multi-spaces)

Multiple spaces in a row that are not used for indentation are typically mistakes. For example:

if(foo  === "bar") {}

It's hard to tell, but there are two spaces between foo and ===. Multiple spaces such as this are generally frowned upon in favor of single spaces:

if(foo === "bar") {}

Rule Details

This rule aims to disallow multiple whitespace around logical expressions, conditional expressions, declarations, array elements, object properties, sequences and function parameters.

Examples of incorrect code for this rule:

/*eslint no-multi-spaces: "error"*/

var a =  1;

if(foo   === "bar") {}

a <<  b

var arr = [1,  2];

a ?  b: c

Examples of correct code for this rule:

/*eslint no-multi-spaces: "error"*/

var a = 1;

if(foo === "bar") {}

a << b

var arr = [1, 2];

a ? b: c

Options

To avoid contradictions if some other rules require multiple spaces, this rule has an option to ignore certain node types in the abstract syntax tree (AST) of JavaScript code.

exceptions

The exceptions object expects property names to be AST node types as defined by ESTree. The easiest way to determine the node types for exceptions is to use the online demo.

Only the Property node type is ignored by default, because for the [key-spacing](key-spacing.md) rule some alignment options require multiple spaces in properties of object literals.

Examples of correct code for the default "exceptions": { "Property": true } option:

/*eslint no-multi-spaces: "error"*/
/*eslint key-spacing: ["error", { align: "value" }]*/

var obj = {
    first:  "first",
    second: "second"
};

Examples of incorrect code for the "exceptions": { "Property": false } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "Property": false } }]*/
/*eslint key-spacing: ["error", { align: "value" }]*/

var obj = {
    first:  "first",
    second: "second"
};

Examples of correct code for the "exceptions": { "BinaryExpression": true } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "BinaryExpression": true } }]*/

var a = 1  *  2;

Examples of correct code for the "exceptions": { "VariableDeclarator": true } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "VariableDeclarator": true } }]*/

var someVar      = 'foo';
var someOtherVar = 'barBaz';

Examples of correct code for the "exceptions": { "ImportDeclaration": true } option:

/*eslint no-multi-spaces: ["error", { exceptions: { "ImportDeclaration": true } }]*/

import mod          from 'mod';
import someOtherMod from 'some-other-mod';

When Not To Use It

If you don't want to check and disallow multiple spaces, then you should turn this rule off.

Related Rules

[key-spacing](key-spacing.md)
[space-infix-ops](space-infix-ops.md)
[space-in-brackets](space-in-brackets.md) (deprecated)
[space-in-parens](space-in-parens.md)
[space-after-keywords](space-after-keywords)
[space-unary-ops](space-unary-ops)
[space-return-throw-case](space-return-throw-case) Source: http://eslint.org/docs/rules/

Expected empty line after require statement not followed by another require.
Open

      path  = require('path');

Found in config/webpack/modules/resolve.js by eslint

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For more information visit Source: http://eslint.org/docs/rules/

sayll/react-webpack-start

Summary

Maintainability

Test Coverage

Expected indentation of 2 spaces but found 6. Open

enforce consistent indentation (indent)

Rule Details

Options

tab

SwitchCase

VariableDeclarator

outerIIFEBody

MemberExpression

FunctionDeclaration

FunctionExpression

CallExpression

ArrayExpression

ObjectExpression

Compatibility

Unnecessarily quoted property 'lib' found. Open

require quotes around object literal property names (quote-props)

Rule Details

Options

always

as-needed

consistent

consistent-as-needed

keywords

unnecessary

numbers

When Not To Use It

Further Reading

Expected indentation of 2 spaces but found 6. Open

enforce consistent indentation (indent)

Rule Details

Options

tab

SwitchCase

VariableDeclarator

outerIIFEBody

MemberExpression

FunctionDeclaration

FunctionExpression

CallExpression

ArrayExpression

ObjectExpression

Compatibility

Unnecessarily quoted property 'css' found. Open

require quotes around object literal property names (quote-props)

Rule Details

Options

always

as-needed

consistent

consistent-as-needed

keywords

unnecessary

numbers

When Not To Use It

Further Reading

Unexpected string concatenation. Open

Suggest using template literals instead of string concatenation. (prefer-template)

Rule Details

Examples

When Not To Use It

Related Rules

Split 'const' declarations into multiple statements. Open

enforce variables to be declared either together or separately in functions (one-var)

Rule Details

Options

always

never

var, let, and const

initialized and uninitialized

Compatibility

Multiple spaces found before '='. Open

Disallow multiple spaces (no-multi-spaces)

Rule Details

Options

exceptions

Expected indentation of 2 spaces but found 6.
Open

Unnecessarily quoted property 'lib' found.
Open

Expected indentation of 2 spaces but found 6.
Open

Unnecessarily quoted property 'css' found.
Open

Unexpected string concatenation.
Open

Split 'const' declarations into multiple statements.
Open

Multiple spaces found before '='.
Open

Multiple spaces found before '='.
Open

Expected empty line after require statement not followed by another require.
Open