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jsx-curly-spacing.js
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jsx-curly-spacing.js
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/**
* @fileoverview Enforce or disallow spaces inside of curly braces in JSX attributes.
* @author Yannick Croissant
* @author Erik Wendel
*/
'use strict';
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
const RuleTester = require('eslint').RuleTester;
const rule = require('../../../lib/rules/jsx-curly-spacing');
const parsers = require('../../helpers/parsers');
const parserOptions = {
ecmaVersion: 2018,
sourceType: 'module',
ecmaFeatures: {
jsx: true
}
};
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
const ruleTester = new RuleTester({parserOptions});
ruleTester.run('jsx-curly-spacing', rule, {
valid: [{
code: '<App foo={bar} />;'
}, {
code: '<App foo={bar}>{bar}</App>;'
}, {
code: '<App foo={bar}>{ bar }</App>;'
}, {
code: [
'<App foo={',
'bar',
'}>',
'{bar}',
'</App>;'
].join('\n')
}, {
code: '<App foo={{ bar: true, baz: true }}>{{ bar: true, baz: true }}</App>;'
}, {
code: '<App foo={{ bar: true, baz: true }}>{ { bar: true, baz: true } }</App>;'
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n')
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'}>',
'{{ bar: true, baz: true }}',
'</App>;'
].join('\n')
}, {
code: '<App>{ foo /* comment 1 */ }</App>'
}, {
code: '<App>{ /* comment 1 */ foo }</App>'
}, {
code: '<App foo={bar} />;',
options: [{attributes: true}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{attributes: true}]
}, {
code: '<App foo={{ bar: true, baz: true }} />;',
options: [{attributes: true}]
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: [{attributes: true}]
}, {
code: '<App foo={bar} />;',
options: [{attributes: false}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{attributes: false}]
}, {
code: '<App foo={{ bar: true, baz: true }} />;',
options: [{attributes: false}]
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: [{attributes: false}]
}, {
code: '<App foo={ bar } />;',
options: [{attributes: false}]
}, {
code: '<App foo={ { bar: true, baz: true } } />;',
options: [{attributes: false}]
}, {
code: '<App>{bar}</App>;',
options: [{children: true}]
}, {
code: [
'<App>{',
'bar',
'}</App>;'
].join('\n'),
options: [{children: true}]
}, {
code: '<App>{{ bar: true, baz: true }}</App>;',
options: [{children: true}]
}, {
code: [
'<App>{',
'{ bar: true, baz: true }',
'}</App>;'
].join('\n'),
options: [{children: true}]
}, {
code: '<App>{bar}</App>;',
options: [{children: false}]
}, {
code: [
'<App>{',
'bar',
'}</App>;'
].join('\n'),
options: [{children: false}]
}, {
code: '<App>{{ bar: true, baz: true }}</App>;',
options: [{children: false}]
}, {
code: [
'<App>{',
'{ bar: true, baz: true }',
'}</App>;'
].join('\n'),
options: [{children: false}]
}, {
code: '<App>{ bar }</App>;',
options: [{children: false}]
}, {
code: '<App>{ { bar: true, baz: true } }</App>;',
options: [{children: false}]
}, {
code: '<App foo={bar} />;',
options: [{when: 'never'}]
}, {
code: '<App foo={bar} />;',
options: [{when: 'never', allowMultiline: false}]
}, {
code: '<App foo={bar} />;',
options: [{when: 'never', allowMultiline: true}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{when: 'never', allowMultiline: true}]
}, {
code: '<App foo={{ bar: true, baz: true }} />;',
options: [{when: 'never', spacing: {objectLiterals: 'never'}}]
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: [{when: 'never', spacing: {objectLiterals: 'never'}}]
}, {
code: '<App foo={ bar } />;',
options: [{when: 'always'}]
}, {
code: '<App foo={ bar } />;',
options: [{when: 'always', allowMultiline: false}]
}, {
code: '<App foo={ bar } />;',
options: [{when: 'always', allowMultiline: true}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{when: 'always', allowMultiline: true}]
}, {
code: '<App foo={{ bar: true, baz: true }} />;',
options: [{when: 'always', spacing: {objectLiterals: 'never'}}]
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: [{when: 'always', spacing: {objectLiterals: 'never'}}]
}, {
code: '<App foo={bar} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: '<App foo={ bar } />;',
options: [{attributes: {when: 'always'}}]
}, {
code: '<App foo={ bar } />;',
options: [{attributes: {when: 'always', allowMultiline: false}}]
}, {
code: '<App foo={{ bar:baz }} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: [{attributes: {when: 'never'}}]
}, {
code: '<App foo={ {bar:baz} } />;',
options: [{attributes: {when: 'always'}}]
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always'}}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always'}}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always', allowMultiline: true}}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'never'}}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'never', allowMultiline: true}}]
}, {
code: '<App foo={bar/* comment 2 */} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: '<App foo={ bar } />;',
options: [{attributes: {when: 'always', spacing: {}}}]
}, {
code: [
'<App foo={',
'bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always', spacing: {}}}]
}, {
code: '<App foo={{ bar: true, baz: true }} />;',
options: [{attributes: {when: 'always', spacing: {objectLiterals: 'never'}}}]
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always', spacing: {objectLiterals: 'never'}}}]
}, {
code: '<App>{bar}</App>;',
options: [{children: {when: 'never'}}]
}, {
code: '<App>{ bar }</App>;',
options: [{children: {when: 'always'}}]
}, {
code: '<App>{ bar }</App>;',
options: [{children: {when: 'always', allowMultiline: false}}]
}, {
code: '<App>{{ bar:baz }}</App>;',
options: [{children: {when: 'never'}}]
}, {
code: [
'<App>{',
'{ bar: true, baz: true }',
'}</App>;'
].join('\n'),
options: [{children: {when: 'never'}}]
}, {
code: '<App>{ {bar:baz} }</App>;',
options: [{children: {when: 'always'}}]
}, {
code: [
'<App>{',
'{ bar: true, baz: true }',
'}</App>;'
].join('\n'),
options: [{children: {when: 'always'}}]
}, {
code: [
'<App>{',
'bar',
'}</App>;'
].join('\n'),
options: [{children: {when: 'always'}}]
}, {
code: [
'<App>{',
'bar',
'}</App>;'
].join('\n'),
options: [{children: {when: 'always', allowMultiline: true}}]
}, {
code: [
'<App>{',
'bar',
'}</App>;'
].join('\n'),
options: [{children: {when: 'never'}}]
}, {
code: [
'<App>{',
'bar',
'}</App>;'
].join('\n'),
options: [{children: {when: 'never', allowMultiline: true}}]
}, {
code: [
'<App>{/* comment 3 */}</App>;'
].join('\n'),
options: [{children: {when: 'never'}}]
}, {
code: '<App>{bar/* comment 4 */}</App>;',
options: [{children: {when: 'never'}}]
}, {
code: '<App>{ bar }</App>;',
options: [{children: {when: 'always', spacing: {}}}]
}, {
code: [
'<App>{',
'bar',
'}</App>;'
].join('\n'),
options: [{children: {when: 'always', spacing: {}}}]
}, {
code: '<App>{{ bar: true, baz: true }}</App>;',
options: [{children: {when: 'always', spacing: {objectLiterals: 'never'}}}]
}, {
code: [
'<App>{',
'{ bar: true, baz: true }',
'}</App>;'
].join('\n'),
options: [{children: {when: 'always', spacing: {objectLiterals: 'never'}}}]
}, {
code: '<App {...bar} />;'
}, {
code: '<App {...bar} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: '<App { ...bar } />;',
options: [{attributes: {when: 'always'}}]
}, {
code: '<App { ...bar } />;',
options: [{attributes: {when: 'always', allowMultiline: false}}]
}, {
code: [
'<App {',
'...bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always'}}]
}, {
code: [
'<App {',
'...bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always', allowMultiline: true}}]
}, {
code: [
'<App {',
'...bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'never'}}],
parser: parsers.BABEL_ESLINT
}, {
code: [
'<App {',
'...bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'never', allowMultiline: true}}]
}, {
code: '<App {...bar/* comment 5 */} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: '<App foo={bar} {...baz} />;'
}, {
code: '<App foo={bar} {...baz} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: '<App foo={ bar } { ...baz } />;',
options: [{attributes: {when: 'always'}}]
}, {
code: '<App foo={ bar } { ...baz } />;',
options: [{attributes: {when: 'always', allowMultiline: false}}]
}, {
code: '<App foo={{ bar:baz }} {...baz} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: '<App foo={ {bar:baz} } { ...baz } />;',
options: [{attributes: {when: 'always'}}]
}, {
code: [
'<App foo={',
'bar',
'} {',
'...bar',
'} />;'
].join('\n'),
options: [{attributes: {when: 'always'}}]
}, {
code: '<App foo={bar/* comment 6 */} {...baz/* comment 7 */} />;',
options: [{attributes: {when: 'never'}}]
}, {
code: '<App foo={3} bar={ {a: 2} } />',
options: [{attributes: {when: 'never', spacing: {objectLiterals: 'always'}}}]
}, {
code: '<App>{bar/* comment 8 */}</App>;',
options: [{children: {when: 'never'}}]
}, {
code: '<App>{bar} {baz}</App>;'
}, {
code: '<App>{bar} {baz}</App>;',
options: [{children: {when: 'never'}}]
}, {
code: '<App>{ bar } { baz }</App>;',
options: [{children: {when: 'always'}}]
}, {
code: '<App>{ bar } { baz }</App>;',
options: [{children: {when: 'always', allowMultiline: false}}]
}, {
code: '<App>{{ bar:baz }} {baz}</App>;',
options: [{children: {when: 'never'}}]
}, {
code: '<App>{ {bar:baz} } { baz }</App>;',
options: [{children: {when: 'always'}}]
}, {
code: [
'<App>{',
'bar',
'} {',
'bar',
'}</App>;'
].join('\n'),
options: [{children: {when: 'always'}}]
}, {
code: '<App>{bar/* comment 9 */} {baz/* comment 10 */}</App>;',
options: [{children: {when: 'never'}}]
}, {
code: '<App>{3} { {a: 2} }</App>',
options: [{children: {when: 'never', spacing: {objectLiterals: 'always'}}}]
}, {
code: '<App foo={ bar }>{bar}</App>',
options: [{attributes: {when: 'always'}}]
}, {
code: [
'<App foo={ 42 } { ...bar } baz={{ 4: 2 }}>',
'{foo} {{ bar: baz }}',
'</App>'
].join('\n'),
options: [{
when: 'never',
attributes: {when: 'always', spacing: {objectLiterals: 'never'}},
children: true
}]
}, {
code: [
'<App foo={42} {...bar} baz={ { 4: 2 } }>',
'{foo} { { bar: baz } }',
'</App>'
].join('\n'),
options: [{
when: 'never',
spacing: {objectLiterals: 'always'},
attributes: true,
children: {when: 'never'}
}]
}, {
code: [
'<App foo={42} {...bar} baz={ { 4: 2 } }>',
'{foo} { { bar: baz } }',
'</App>'
].join('\n'),
options: [{
spacing: {objectLiterals: 'always'},
attributes: {when: 'never', spacing: {objectLiterals: 'always'}},
children: {when: 'never'}
}]
}, {
code: '<App foo={bar} />;',
options: ['never']
}, {
code: [
'<App foo={',
'{ bar: true, baz: true }',
'} />;'
].join('\n'),
options: ['never', {spacing: {objectLiterals: 'never'}}]
}, {
code: '<App foo={ bar } />;',
options: ['always']
}, {
code: '<App foo={ bar } />;',
options: ['always', {allowMultiline: false}]
}, {
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