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justisb
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ljharb
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[New] jsx-props-no-multi-spaces: improve autofix for multi-line
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‎CHANGELOG.md‎

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@@ -6,9 +6,13 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
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## Unreleased
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### Added
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* [`jsx-props-no-multi-spaces`]: improve autofix for multi-line ([#3930][] @justisb)
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### Fixed
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* [`no-unknown-property`]: allow `onLoad` on `body` ([#3923][] @DerekStapleton)
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[#3930]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3930
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[#3923]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3923
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## [7.37.5] - 2025.04.03

‎lib/rules/jsx-props-no-multi-spaces.js‎

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@@ -80,6 +80,22 @@ module.exports = {
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prop1: getPropName(prev),
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prop2: getPropName(node),
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},
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fix(fixer) {
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const comments = sourceCode.getCommentsBefore ? sourceCode.getCommentsBefore(node) : [];
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const nodes = [].concat(prev, comments, node);
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const fixes = [];
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for (let i = 1; i < nodes.length; i += 1) {
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const prevNode = nodes[i - 1];
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const currNode = nodes[i];
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if (currNode.loc.start.line - prevNode.loc.end.line >= 2) {
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const indent = ' '.repeat(currNode.loc.start.column);
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fixes.push(fixer.replaceTextRange([prevNode.range[1], currNode.range[0]], `\n${indent}`));
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}
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}
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return fixes;
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},
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});
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}
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‎tests/lib/rules/jsx-props-no-multi-spaces.js‎

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@@ -84,15 +84,15 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 8"
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type="button"
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/>
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`,
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},
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{
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code: `
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<button
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title="Some button"
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title="Some button 8"
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onClick={(value) => {
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console.log(value);
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}}
@@ -104,7 +104,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 2"
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// this is a comment
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onClick={(value) => {
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console.log(value);
@@ -116,7 +116,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 2"
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// this is a comment
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// this is a second comment
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onClick={(value) => {
@@ -129,7 +129,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<App
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foo="Some button" // comment
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foo="Some button 3" // comment
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// comment
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bar=""
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/>
@@ -138,7 +138,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 3"
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/* this is a multiline comment
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...
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... */
@@ -263,6 +263,12 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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type="button"
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/>
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`,
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output: `
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<button
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title='Some button'${semver.satisfies(eslintPkg.version, '> 3') ? '' : '\n'}
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type="button"
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/>
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`,
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errors: [
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{
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messageId: 'noLineGap',
@@ -273,7 +279,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 4"
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onClick={(value) => {
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console.log(value);
@@ -282,6 +288,15 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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type="button"
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/>
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`,
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output: `
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<button
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title="Some button 4"${semver.satisfies(eslintPkg.version, '> 3') ? '' : '\n'}
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onClick={(value) => {
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console.log(value);
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}}${semver.satisfies(eslintPkg.version, '> 3') ? '' : '\n'}
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type="button"
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/>
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`,
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errors: [
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{
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messageId: 'noLineGap',
@@ -297,7 +312,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 5"
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// this is a comment
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onClick={(value) => {
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console.log(value);
@@ -306,6 +321,16 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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type="button"
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/>
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`,
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output: `
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<button
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title="Some button 5"
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// this is a comment
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onClick={(value) => {
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console.log(value);
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}}
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type="button"
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/>
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`,
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errors: [
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{
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messageId: 'noLineGap',
@@ -316,7 +341,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 6"
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// this is a comment
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// second comment
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@@ -327,6 +352,17 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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type="button"
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/>
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`,
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output: `
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<button
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title="Some button 6"
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// this is a comment
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// second comment
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onClick={(value) => {
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console.log(value);
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}}
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type="button"
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/>
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`,
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errors: [
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{
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messageId: 'noLineGap',
@@ -341,7 +377,7 @@ ruleTester.run('jsx-props-no-multi-spaces', rule, {
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{
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code: `
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<button
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title="Some button"
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title="Some button 7"
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/*this is a
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multiline
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comment
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type="button"
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/>
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`,
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output: `
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<button
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title="Some button 7"
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/*this is a
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multiline
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comment
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*/
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onClick={(value) => {
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console.log(value);
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}}
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type="button"
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/>
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`,
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errors: [
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{
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messageId: 'noLineGap',

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