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Definition for rule 'optimize-regex/optimize-regex' was not found
Open

module.exports = {
Severity: Minor
Found in prettier.config.js by eslint

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

Definition for rule 'sonarjs/cognitive-complexity' was not found
Open

test('test', () => {})
Severity: Minor
Found in src/__tests__/counter.test.js by eslint

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

Definition for rule 'compat/compat' was not found
Open

test('test', () => {})
Severity: Minor
Found in src/__tests__/sinon.test.js by eslint

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

Definition for rule 'no-loops/no-loops' was not found
Open

test('test', () => {})
Severity: Minor
Found in src/__tests__/sinon.test.js by eslint

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

A space is required after '['.
Open

  transformIgnorePatterns: ['[/\\\\]node_modules[/\\\\].+\\.(js|jsx|ts|tsx|)$'],
Severity: Minor
Found in jest.config.js by eslint

Disallow or enforce spaces inside of brackets (array-bracket-spacing)

A number of style guides require or disallow spaces between array brackets and other tokens. This rule applies to both array literals and destructuring assignments (ECMAScript 6).

/*eslint-env es6*/

var arr = [ 'foo', 'bar' ];
var [ x, y ] = z;

var arr = ['foo', 'bar'];
var [x,y] = z;

Rule Details

This rule enforces consistent spacing inside array brackets.

Options

This rule has a string option:

  • "never" (default) disallows spaces inside array brackets
  • "always" requires one or more spaces or newlines inside array brackets

This rule has an object option for exceptions to the "never" option:

  • "singleValue": true requires one or more spaces or newlines inside brackets of array literals that contain a single element
  • "objectsInArrays": true requires one or more spaces or newlines between brackets of array literals and braces of their object literal elements [ { or } ]
  • "arraysInArrays": true requires one or more spaces or newlines between brackets of array literals and brackets of their array literal elements [ [ or ] ]

This rule has an object option for exceptions to the "always" option:

  • "singleValue": false disallows spaces inside brackets of array literals that contain a single element
  • "objectsInArrays": false disallows spaces between brackets of array literals and braces of their object literal elements [{ or }]
  • "arraysInArrays": false disallows spaces between brackets of array literals and brackets of their array literal elements [[ or ]]

This rule has built-in exceptions:

  • "never" (and also the exceptions to the "always" option) allows newlines inside array brackets, because this is a common pattern
  • "always" does not require spaces or newlines in empty array literals []

never

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

/*eslint array-bracket-spacing: ["error", "never"]*/
/*eslint-env es6*/

var arr = [ 'foo', 'bar' ];
var arr = ['foo', 'bar' ];
var arr = [ ['foo'], 'bar'];
var arr = [[ 'foo' ], 'bar'];
var arr = [ 'foo',
  'bar'
];
var [ x, y ] = z;
var [ x,y ] = z;
var [ x, ...y ] = z;
var [ ,,x, ] = z;

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

/*eslint array-bracket-spacing: ["error", "never"]*/
/*eslint-env es6*/

var arr = [];
var arr = ['foo', 'bar', 'baz'];
var arr = [['foo'], 'bar', 'baz'];
var arr = [
  'foo',
  'bar',
  'baz'
];
var arr = ['foo',
  'bar'
];
var arr = [
  'foo',
  'bar'];

var [x, y] = z;
var [x,y] = z;
var [x, ...y] = z;
var [,,x,] = z;

always

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

/*eslint array-bracket-spacing: ["error", "always"]*/
/*eslint-env es6*/

var arr = ['foo', 'bar'];
var arr = ['foo', 'bar' ];
var arr = [ ['foo'], 'bar' ];
var arr = ['foo',
  'bar'
];
var arr = [
  'foo',
  'bar'];

var [x, y] = z;
var [x,y] = z;
var [x, ...y] = z;
var [,,x,] = z;

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

/*eslint array-bracket-spacing: ["error", "always"]*/
/*eslint-env es6*/

var arr = [];
var arr = [ 'foo', 'bar', 'baz' ];
var arr = [ [ 'foo' ], 'bar', 'baz' ];
var arr = [ 'foo',
  'bar'
];
var arr = [
  'foo',
  'bar' ];
var arr = [
  'foo',
  'bar',
  'baz'
];

var [ x, y ] = z;
var [ x,y ] = z;
var [ x, ...y ] = z;
var [ ,,x, ] = z;

singleValue

Examples of incorrect code for this rule with the "always", { "singleValue": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "singleValue": false }]*/

var foo = [ 'foo' ];
var foo = [ 'foo'];
var foo = ['foo' ];
var foo = [ 1 ];
var foo = [ 1];
var foo = [1 ];
var foo = [ [ 1, 2 ] ];
var foo = [ { 'foo': 'bar' } ];

Examples of correct code for this rule with the "always", { "singleValue": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "singleValue": false }]*/

var foo = ['foo'];
var foo = [1];
var foo = [[ 1, 1 ]];
var foo = [{ 'foo': 'bar' }];

objectsInArrays

Examples of incorrect code for this rule with the "always", { "objectsInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "objectsInArrays": false }]*/

var arr = [ { 'foo': 'bar' } ];
var arr = [ {
  'foo': 'bar'
} ]

Examples of correct code for this rule with the "always", { "objectsInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "objectsInArrays": false }]*/

var arr = [{ 'foo': 'bar' }];
var arr = [{
  'foo': 'bar'
}];

arraysInArrays

Examples of incorrect code for this rule with the "always", { "arraysInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "arraysInArrays": false }]*/

var arr = [ [ 1, 2 ], 2, 3, 4 ];
var arr = [ [ 1, 2 ], 2, [ 3, 4 ] ];

Examples of correct code for this rule with the "always", { "arraysInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "arraysInArrays": false }]*/

var arr = [[ 1, 2 ], 2, 3, 4 ];
var arr = [[ 1, 2 ], 2, [ 3, 4 ]];

When Not To Use It

You can turn this rule off if you are not concerned with the consistency of spacing between array brackets.

Related Rules

  • [space-in-parens](space-in-parens.md)
  • [object-curly-spacing](object-curly-spacing.md)
  • [computed-property-spacing](computed-property-spacing.md) Source: http://eslint.org/docs/rules/

A space is required after '['.
Open

  coveragePathIgnorePatterns: ['/node_modules/'],
Severity: Minor
Found in jest.config.js by eslint

Disallow or enforce spaces inside of brackets (array-bracket-spacing)

A number of style guides require or disallow spaces between array brackets and other tokens. This rule applies to both array literals and destructuring assignments (ECMAScript 6).

/*eslint-env es6*/

var arr = [ 'foo', 'bar' ];
var [ x, y ] = z;

var arr = ['foo', 'bar'];
var [x,y] = z;

Rule Details

This rule enforces consistent spacing inside array brackets.

Options

This rule has a string option:

  • "never" (default) disallows spaces inside array brackets
  • "always" requires one or more spaces or newlines inside array brackets

This rule has an object option for exceptions to the "never" option:

  • "singleValue": true requires one or more spaces or newlines inside brackets of array literals that contain a single element
  • "objectsInArrays": true requires one or more spaces or newlines between brackets of array literals and braces of their object literal elements [ { or } ]
  • "arraysInArrays": true requires one or more spaces or newlines between brackets of array literals and brackets of their array literal elements [ [ or ] ]

This rule has an object option for exceptions to the "always" option:

  • "singleValue": false disallows spaces inside brackets of array literals that contain a single element
  • "objectsInArrays": false disallows spaces between brackets of array literals and braces of their object literal elements [{ or }]
  • "arraysInArrays": false disallows spaces between brackets of array literals and brackets of their array literal elements [[ or ]]

This rule has built-in exceptions:

  • "never" (and also the exceptions to the "always" option) allows newlines inside array brackets, because this is a common pattern
  • "always" does not require spaces or newlines in empty array literals []

never

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

/*eslint array-bracket-spacing: ["error", "never"]*/
/*eslint-env es6*/

var arr = [ 'foo', 'bar' ];
var arr = ['foo', 'bar' ];
var arr = [ ['foo'], 'bar'];
var arr = [[ 'foo' ], 'bar'];
var arr = [ 'foo',
  'bar'
];
var [ x, y ] = z;
var [ x,y ] = z;
var [ x, ...y ] = z;
var [ ,,x, ] = z;

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

/*eslint array-bracket-spacing: ["error", "never"]*/
/*eslint-env es6*/

var arr = [];
var arr = ['foo', 'bar', 'baz'];
var arr = [['foo'], 'bar', 'baz'];
var arr = [
  'foo',
  'bar',
  'baz'
];
var arr = ['foo',
  'bar'
];
var arr = [
  'foo',
  'bar'];

var [x, y] = z;
var [x,y] = z;
var [x, ...y] = z;
var [,,x,] = z;

always

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

/*eslint array-bracket-spacing: ["error", "always"]*/
/*eslint-env es6*/

var arr = ['foo', 'bar'];
var arr = ['foo', 'bar' ];
var arr = [ ['foo'], 'bar' ];
var arr = ['foo',
  'bar'
];
var arr = [
  'foo',
  'bar'];

var [x, y] = z;
var [x,y] = z;
var [x, ...y] = z;
var [,,x,] = z;

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

/*eslint array-bracket-spacing: ["error", "always"]*/
/*eslint-env es6*/

var arr = [];
var arr = [ 'foo', 'bar', 'baz' ];
var arr = [ [ 'foo' ], 'bar', 'baz' ];
var arr = [ 'foo',
  'bar'
];
var arr = [
  'foo',
  'bar' ];
var arr = [
  'foo',
  'bar',
  'baz'
];

var [ x, y ] = z;
var [ x,y ] = z;
var [ x, ...y ] = z;
var [ ,,x, ] = z;

singleValue

Examples of incorrect code for this rule with the "always", { "singleValue": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "singleValue": false }]*/

var foo = [ 'foo' ];
var foo = [ 'foo'];
var foo = ['foo' ];
var foo = [ 1 ];
var foo = [ 1];
var foo = [1 ];
var foo = [ [ 1, 2 ] ];
var foo = [ { 'foo': 'bar' } ];

Examples of correct code for this rule with the "always", { "singleValue": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "singleValue": false }]*/

var foo = ['foo'];
var foo = [1];
var foo = [[ 1, 1 ]];
var foo = [{ 'foo': 'bar' }];

objectsInArrays

Examples of incorrect code for this rule with the "always", { "objectsInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "objectsInArrays": false }]*/

var arr = [ { 'foo': 'bar' } ];
var arr = [ {
  'foo': 'bar'
} ]

Examples of correct code for this rule with the "always", { "objectsInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "objectsInArrays": false }]*/

var arr = [{ 'foo': 'bar' }];
var arr = [{
  'foo': 'bar'
}];

arraysInArrays

Examples of incorrect code for this rule with the "always", { "arraysInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "arraysInArrays": false }]*/

var arr = [ [ 1, 2 ], 2, 3, 4 ];
var arr = [ [ 1, 2 ], 2, [ 3, 4 ] ];

Examples of correct code for this rule with the "always", { "arraysInArrays": false } options:

/*eslint array-bracket-spacing: ["error", "always", { "arraysInArrays": false }]*/

var arr = [[ 1, 2 ], 2, 3, 4 ];
var arr = [[ 1, 2 ], 2, [ 3, 4 ]];

When Not To Use It

You can turn this rule off if you are not concerned with the consistency of spacing between array brackets.

Related Rules

  • [space-in-parens](space-in-parens.md)
  • [object-curly-spacing](object-curly-spacing.md)
  • [computed-property-spacing](computed-property-spacing.md) Source: http://eslint.org/docs/rules/

Definition for rule 'no-loops/no-loops' was not found
Open

test('App works', () => {})
Severity: Minor
Found in src/__tests__/app.test.js by eslint

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

Definition for rule 'no-use-extend-native/no-use-extend-native' was not found
Open

test('test', () => { })
Severity: Minor
Found in src/__tests__/enzyme.test.js by eslint

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

Definition for rule 'no-loops/no-loops' was not found
Open

test('predicts', () => {})
Severity: Minor
Found in src/__tests__/shallow.test.js by eslint

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

Definition for rule 'optimize-regex/optimize-regex' was not found
Open

test('test', () => { })
Severity: Minor
Found in src/__tests__/snap.test.js by eslint

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

Definition for rule 'sonarjs/cognitive-complexity' was not found
Open

// import * as React from 'react'
Severity: Minor
Found in src/components/card/index.test.js by eslint

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

Definition for rule 'sonarjs/cognitive-complexity' was not found
Open

test('test', () => { })
Severity: Minor
Found in src/__tests__/enzyme.test.js by eslint

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

Definition for rule 'compat/compat' was not found
Open

// import {
Severity: Minor
Found in src/__tests__/predicts.test.js by eslint

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

Definition for rule 'compat/compat' was not found
Open

test('test', () => {})
Severity: Minor
Found in src/__tests__/reducer.test.js by eslint

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

Block must not be padded by blank lines.
Open

module.exports = (wallaby) => {
Severity: Minor
Found in wallaby.conf.js by eslint

require or disallow padding within blocks (padded-blocks)

Some style guides require block statements to start and end with blank lines. The goal is to improve readability by visually separating the block content and the surrounding code.

if (a) {

    b();

}

Since it's good to have a consistent code style, you should either always write padded blocks or never do it.

Rule Details

This rule enforces consistent empty line padding within blocks.

Options

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

String option:

  • "always" (default) requires empty lines at the beginning and ending of block statements and classes
  • "never" disallows empty lines at the beginning and ending of block statements and classes

Object option:

  • "blocks" require or disallow padding within block statements
  • "classes" require or disallow padding within classes
  • "switches" require or disallow padding within switch statements

always

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

/*eslint padded-blocks: ["error", "always"]*/

if (a) {
    b();
}

if (a) { b(); }

if (a)
{
    b();
}

if (a) {

    b();
}

if (a) {
    b();

}

if (a) {
    // comment
    b();

}

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

/*eslint padded-blocks: ["error", "always"]*/

if (a) {

    b();

}

if (a)
{

    b();

}

if (a) {

    // comment
    b();

}

never

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

/*eslint padded-blocks: ["error", "never"]*/

if (a) {

    b();

}

if (a)
{

    b();

}

if (a) {

    b();
}

if (a) {
    b();

}

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

/*eslint padded-blocks: ["error", "never"]*/

if (a) {
    b();
}

if (a)
{
    b();
}

blocks

Examples of incorrect code for this rule with the { "blocks": "always" } option:

/*eslint padded-blocks: ["error", { "blocks": "always" }]*/

if (a) {
    b();
}

if (a) { b(); }

if (a)
{
    b();
}

if (a) {

    b();
}

if (a) {
    b();

}

if (a) {
    // comment
    b();

}

Examples of correct code for this rule with the { "blocks": "always" } option:

/*eslint padded-blocks: ["error", { "blocks": "always" }]*/

if (a) {

    b();

}

if (a)
{

    b();

}

if (a) {

    // comment
    b();

}

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

/*eslint padded-blocks: ["error", { "blocks": "never" }]*/

if (a) {

    b();

}

if (a)
{

    b();

}

if (a) {

    b();
}

if (a) {
    b();

}

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

/*eslint padded-blocks: ["error", { "blocks": "never" }]*/

if (a) {
    b();
}

if (a)
{
    b();
}

classes

Examples of incorrect code for this rule with the { "classes": "always" } option:

/*eslint padded-blocks: ["error", { "classes": "always" }]*/

class  A {
    constructor(){
    }
}

Examples of correct code for this rule with the { "classes": "always" } option:

/*eslint padded-blocks: ["error", { "classes": "always" }]*/

class  A {

    constructor(){
    }

}

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

/*eslint padded-blocks: ["error", { "classes": "never" }]*/

class  A {

    constructor(){
    }

}

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

/*eslint padded-blocks: ["error", { "classes": "never" }]*/

class  A {
    constructor(){
    }
}

switches

Examples of incorrect code for this rule with the { "switches": "always" } option:

/*eslint padded-blocks: ["error", { "switches": "always" }]*/

switch (a) {
    case 0: foo();
}

Examples of correct code for this rule with the { "switches": "always" } option:

/*eslint padded-blocks: ["error", { "switches": "always" }]*/

switch (a) {

    case 0: foo();

}

if (a) {
    b();
}

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

/*eslint padded-blocks: ["error", { "switches": "never" }]*/

switch (a) {

    case 0: foo();

}

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

/*eslint padded-blocks: ["error", { "switches": "never" }]*/

switch (a) {
    case 0: foo();
}

if (a) {

    b();

}

When Not To Use It

You can turn this rule off if you are not concerned with the consistency of padding within blocks.

Related Rules

  • [lines-between-class-members](lines-between-class-members.md)
  • [padding-line-between-statements](padding-line-between-statements.md) Source: http://eslint.org/docs/rules/
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