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jsx-closing-bracket-location.js
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jsx-closing-bracket-location.js
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/**
* @fileoverview Validate closing bracket location in JSX
* @author Yannick Croissant
*/
'use strict';
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
const RuleTester = require('eslint').RuleTester;
const rule = require('../../../lib/rules/jsx-closing-bracket-location');
const parsers = require('../../helpers/parsers');
const parserOptions = {
ecmaVersion: 2018,
sourceType: 'module',
ecmaFeatures: {
jsx: true,
},
};
const MESSAGE_AFTER_PROPS = 'placed after the last prop';
const MESSAGE_AFTER_TAG = 'placed after the opening tag';
const MESSAGE_PROPS_ALIGNED = 'aligned with the last prop';
const MESSAGE_TAG_ALIGNED = 'aligned with the opening tag';
const MESSAGE_LINE_ALIGNED = 'aligned with the line containing the opening tag';
function details(expectedColumn, expectedNextLine) {
return ` (expected column ${expectedColumn}${expectedNextLine ? ' on the next line)' : ')'}`;
}
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
const ruleTester = new RuleTester({ parserOptions });
ruleTester.run('jsx-closing-bracket-location', rule, {
valid: parsers.all([
{
code: `
<App />
`,
},
{
code: `
<App foo />
`,
},
{
code: `
<App
foo
/>
`,
},
{
code: `
<App foo />
`,
options: [{ location: 'after-props' }],
},
{
code: `
<App foo />
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
<App foo />
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<App
foo />
`,
options: ['after-props'],
},
{
code: `
<App
foo
/>
`,
options: ['props-aligned'],
},
{
code: `
<App
foo />
`,
options: [{ location: 'after-props' }],
},
{
code: `
<App
foo
/>
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
<App
foo
/>
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<App
foo
/>
`,
options: [{ location: 'props-aligned' }],
},
{
code: `
<App foo></App>
`,
},
{
code: `
<App
foo
></App>
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
<App
foo
></App>
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<App
foo
></App>
`,
options: [{ location: 'props-aligned' }],
},
{
code: `
<App
foo={function() {
console.log('bar');
}} />
`,
options: [{ location: 'after-props' }],
},
{
code: `
<App
foo={function() {
console.log('bar');
}}
/>
`,
options: [{ location: 'props-aligned' }],
},
{
code: `
<App
foo={function() {
console.log('bar');
}}
/>
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
<App
foo={function() {
console.log('bar');
}}
/>
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<App foo={function() {
console.log('bar');
}}/>
`,
options: [{ location: 'after-props' }],
},
{
code: `
<App foo={function() {
console.log('bar');
}}
/>
`,
options: [{ location: 'props-aligned' }],
},
{
code: `
<App foo={function() {
console.log('bar');
}}
/>
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
<App foo={function() {
console.log('bar');
}}
/>
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<Provider store>
<App
foo />
</Provider>
`,
options: [{ selfClosing: 'after-props' }],
},
{
code: `
<Provider
store
>
<App
foo />
</Provider>
`,
options: [{ selfClosing: 'after-props' }],
},
{
code: `
<Provider
store>
<App
foo
/>
</Provider>
`,
options: [{ nonEmpty: 'after-props' }],
},
{
code: `
<Provider store>
<App
foo
/>
</Provider>
`,
options: [{ selfClosing: 'props-aligned' }],
},
{
code: `
<Provider
store
>
<App
foo
/>
</Provider>
`,
options: [{ nonEmpty: 'props-aligned' }],
},
{
code: `
var x = function() {
return <App
foo
>
bar
</App>
}
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
var x = function() {
return <App
foo
/>
}
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
var x = <App
foo
/>
`,
options: [{ location: 'tag-aligned' }],
},
{
code: `
var x = function() {
return <App
foo={function() {
console.log('bar');
}}
/>
}
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
var x = <App
foo={function() {
console.log('bar');
}}
/>
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<Provider
store
>
<App
foo={function() {
console.log('bar');
}}
/>
</Provider>
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<Provider
store
>
{baz && <App
foo={function() {
console.log('bar');
}}
/>}
</Provider>
`,
options: [{ location: 'line-aligned' }],
},
{
code: `
<App>
<Foo
bar
>
</Foo>
<Foo
bar />
</App>
`,
options: [
{
nonEmpty: false,
selfClosing: 'after-props',
},
],
},
{
code: `
<App>
<Foo
bar>
</Foo>
<Foo
bar
/>
</App>
`,
options: [
{
nonEmpty: 'after-props',
selfClosing: false,
},
],
},
{
code: `
<div className={[
"some",
"stuff",
2 ]}
>
Some text
</div>
`,
options: [{ location: 'tag-aligned' }],
},
]),
invalid: parsers.all([
{
code: `
<App
/>
`,
output: `
<App />
`,
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_AFTER_TAG,
details: '',
},
},
],
},
{
code: `
<App foo
/>
`,
output: `
<App foo/>
`,
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_AFTER_PROPS,
details: '',
},
},
],
},
{
code: `
<App foo
></App>
`,
output: `
<App foo></App>
`,
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_AFTER_PROPS,
details: '',
},
},
],
},
{
code: `
<App
foo />
`,
output: `
<App
foo
/>
`,
options: [{ location: 'props-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_PROPS_ALIGNED,
details: details(11, true),
},
line: 3,
column: 15,
},
],
},
{
code: `
<App
foo />
`,
output: `
<App
foo
/>
`,
options: [{ location: 'tag-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(9, true),
},
line: 3,
column: 15,
},
],
},
{
code: `
<App
foo />
`,
output: `
<App
foo
/>
`,
options: [{ location: 'line-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_LINE_ALIGNED,
details: details(9, true),
},
line: 3,
column: 15,
},
],
},
{
code: `
<App
foo
/>
`,
output: `
<App
foo/>
`,
options: [{ location: 'after-props' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_AFTER_PROPS,
details: '',
},
},
],
},
{
code: `
<App
foo
/>
`,
output: `
<App
foo
/>
`,
options: [{ location: 'props-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_PROPS_ALIGNED,
details: details(11, false),
},
line: 4,
column: 9,
},
],
},
{
code: `
<App
foo
/>
`,
output: `
<App
foo/>
`,
options: [{ location: 'after-props' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_AFTER_PROPS,
details: '',
},
},
],
},
{
code: `
<App
foo
/>
`,
output: `
<App
foo
/>
`,
options: [{ location: 'tag-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(9, false),
},
line: 4,
column: 11,
},
],
},
{
code: `
<App
foo
/>
`,
output: `
<App
foo
/>
`,
options: [{ location: 'line-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_LINE_ALIGNED,
details: details(9, false),
},
line: 4,
column: 11,
},
],
},
{
code: `
<App
foo
></App>
`,
output: `
<App
foo></App>
`,
options: [{ location: 'after-props' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_AFTER_PROPS,
details: '',
},
},
],
},
{
code: `
<App
foo
></App>
`,
output: `
<App
foo
></App>
`,
options: [{ location: 'props-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_PROPS_ALIGNED,
details: details(11, false),
},
line: 4,
column: 9,
},
],
},
{
code: `
<App
foo
></App>
`,
output: `
<App
foo></App>
`,
options: [{ location: 'after-props' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_AFTER_PROPS,
details: '',
},
},
],
},
{
code: `
<App
foo
></App>
`,
output: `
<App
foo
></App>
`,
options: [{ location: 'tag-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(9, false),
},
line: 4,
column: 11,
},
],
},
{
code: `
<App
foo
></App>
`,
output: `
<App
foo
></App>
`,
options: [{ location: 'line-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_LINE_ALIGNED,
details: details(9, false),
},
line: 4,
column: 11,
},
],
},
{
code: `
<Provider
store>${/* <-- */''}
<App
foo
/>
</Provider>
`,
output: `
<Provider
store
>
<App
foo
/>
</Provider>
`,
options: [{ selfClosing: 'props-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(9, true),
},
line: 3,
column: 16,
},
],
},
{
code: `
const Button = function(props) {
return (
<Button
size={size}
onClick={onClick}
>
Button Text
</Button>
);
};
`,
output: `
const Button = function(props) {
return (
<Button
size={size}
onClick={onClick}
>
Button Text
</Button>
);
};
`,
options: ['props-aligned'],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_PROPS_ALIGNED,
details: details(15, false),
},
line: 7,
column: 45,
},
],
},
{
code: `
const Button = function(props) {
return (
<Button
size={size}
onClick={onClick}
>
Button Text
</Button>
);
};
`,
output: `
const Button = function(props) {
return (
<Button
size={size}
onClick={onClick}
>
Button Text
</Button>
);
};
`,
options: ['tag-aligned'],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(13, false),
},
line: 7,
column: 45,
},
],
},
{
code: `
const Button = function(props) {
return (
<Button
size={size}
onClick={onClick}
>
Button Text
</Button>
);
};
`,
output: `
const Button = function(props) {
return (
<Button
size={size}
onClick={onClick}
>
Button Text
</Button>
);
};
`,
options: ['line-aligned'],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_LINE_ALIGNED,
details: details(13, false),
},
line: 7,
column: 45,
},
],
},
{
code: `
<Provider
store
>
<App
foo
/>${''/* <-- */}
</Provider>
`,
output: `
<Provider
store
>
<App
foo
/>
</Provider>
`,
options: [{ nonEmpty: 'props-aligned' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(11, false),
},
line: 7,
column: 13,
},
],
},
{
code: `
<Provider
store>${''/* <-- */}
<App
foo />
</Provider>
`,
output: `
<Provider
store
>
<App
foo />
</Provider>
`,
options: [{ selfClosing: 'after-props' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(9, true),
},
line: 3,
column: 16,
},
],
},
{
code: `
<Provider
store>
<App
foo
/>${''/* <--*/}
</Provider>
`,
output: `
<Provider
store>
<App
foo
/>
</Provider>
`,
options: [{ nonEmpty: 'after-props' }],
errors: [
{
messageId: 'bracketLocation',
data: {
location: MESSAGE_TAG_ALIGNED,
details: details(11, false),
},
line: 6,
column: 13,
},
],
},
{
code: `
var x = function() {