Merge pull request #407 from ewendel/jsx-curly-spacing-autofix

Add auto fix for jsx-curly-spacing

Author: yannickcr

lib/rules/jsx-curly-spacing.js

@@ -1,6 +1,12 @@
 /**
  * @fileoverview Enforce or disallow spaces inside of curly braces in JSX attributes.
- * @author Jamund Ferguson, Brandyn Bennett, Michael Ficarra, Vignesh Anand, Jamund Ferguson, Yannick Croissant
+ * @author Jamund Ferguson
+ * @author Brandyn Bennett
+ * @author Michael Ficarra
+ * @author Vignesh Anand
+ * @author Jamund Ferguson
+ * @author Yannick Croissant
+ * @author Erik Wendel
  */
 'use strict';
 
@@ -43,8 +49,15 @@ module.exports = function(context) {
   * @returns {void}
   */
   function reportNoBeginningNewline(node, token) {
-    context.report(node, token.loc.start,
-      'There should be no newline after \'' + token.value + '\'');
+    context.report({
+      node: node,
+      loc: token.loc.start,
+      message: 'There should be no newline after \'' + token.value + '\'',
+      fix: function(fixer) {
+        var nextToken = context.getSourceCode().getTokenAfter(token);
+        return fixer.replaceTextRange([token.range[1], nextToken.range[0]], spaced ? ' ' : '');
+      }
+    });
   }
 
   /**
@@ -54,8 +67,15 @@ module.exports = function(context) {
   * @returns {void}
   */
   function reportNoEndingNewline(node, token) {
-    context.report(node, token.loc.start,
-      'There should be no newline before \'' + token.value + '\'');
+    context.report({
+      node: node,
+      loc: token.loc.start,
+      message: 'There should be no newline before \'' + token.value + '\'',
+      fix: function(fixer) {
+        var previousToken = context.getSourceCode().getTokenBefore(token);
+        return fixer.replaceTextRange([previousToken.range[1], token.range[0]], spaced ? ' ' : '');
+      }
+    });
   }
 
   /**
@@ -65,8 +85,15 @@ module.exports = function(context) {
   * @returns {void}
   */
   function reportNoBeginningSpace(node, token) {
-    context.report(node, token.loc.start,
-      'There should be no space after \'' + token.value + '\'');
+    context.report({
+      node: node,
+      loc: token.loc.start,
+      message: 'There should be no space after \'' + token.value + '\'',
+      fix: function(fixer) {
+        var nextToken = context.getSourceCode().getTokenAfter(token);
+        return fixer.removeRange([token.range[1], nextToken.range[0]]);
+      }
+    });
   }
 
   /**
@@ -76,8 +103,15 @@ module.exports = function(context) {
   * @returns {void}
   */
   function reportNoEndingSpace(node, token) {
-    context.report(node, token.loc.start,
-      'There should be no space before \'' + token.value + '\'');
+    context.report({
+      node: node,
+      loc: token.loc.start,
+      message: 'There should be no space before \'' + token.value + '\'',
+      fix: function(fixer) {
+        var previousToken = context.getSourceCode().getTokenBefore(token);
+        return fixer.removeRange([previousToken.range[1], token.range[0]]);
+      }
+    });
   }
 
   /**
@@ -87,8 +121,14 @@ module.exports = function(context) {
   * @returns {void}
   */
   function reportRequiredBeginningSpace(node, token) {
-    context.report(node, token.loc.start,
-      'A space is required after \'' + token.value + '\'');
+    context.report({
+      node: node,
+      loc: token.loc.start,
+      message: 'A space is required after \'' + token.value + '\'',
+      fix: function(fixer) {
+        return fixer.insertTextAfter(token, ' ');
+      }
+    });
   }
 
   /**
@@ -98,8 +138,14 @@ module.exports = function(context) {
   * @returns {void}
   */
   function reportRequiredEndingSpace(node, token) {
-    context.report(node, token.loc.start,
-          'A space is required before \'' + token.value + '\'');
+    context.report({
+      node: node,
+      loc: token.loc.start,
+      message: 'A space is required before \'' + token.value + '\'',
+      fix: function(fixer) {
+        return fixer.insertTextBefore(token, ' ');
+      }
+    });
   }
 
   /**

tests/lib/rules/jsx-curly-spacing.js

@@ -1,6 +1,7 @@
 /**
  * @fileoverview Enforce or disallow spaces inside of curly braces in JSX attributes.
  * @author Yannick Croissant
+ * @author Erik Wendel
  */
 'use strict';
 
@@ -81,6 +82,7 @@ ruleTester.run('jsx-curly-spacing', rule, {
 
   invalid: [{
     code: '<App foo={ bar } />;',
+    output: '<App foo={bar} />;',
     options: ['never'],
     errors: [{
       message: 'There should be no space after \'{\''
@@ -90,6 +92,7 @@ ruleTester.run('jsx-curly-spacing', rule, {
     parserOptions: parserOptions
   }, {
     code: '<App foo={ bar } />;',
+    output: '<App foo={bar} />;',
     options: ['never', {allowMultiline: false}],
     errors: [{
       message: 'There should be no space after \'{\''
@@ -99,6 +102,7 @@ ruleTester.run('jsx-curly-spacing', rule, {
     parserOptions: parserOptions
   }, {
     code: '<App foo={bar} />;',
+    output: '<App foo={ bar } />;',
     options: ['always'],
     errors: [{
       message: 'A space is required after \'{\''
@@ -108,6 +112,7 @@ ruleTester.run('jsx-curly-spacing', rule, {
     parserOptions: parserOptions
   }, {
     code: '<App foo={bar} />;',
+    output: '<App foo={ bar } />;',
     options: ['always', {allowMultiline: false}],
     errors: [{
       message: 'A space is required after \'{\''
@@ -117,27 +122,31 @@ ruleTester.run('jsx-curly-spacing', rule, {
     parserOptions: parserOptions
   }, {
     code: '<App foo={ bar} />;',
+    output: '<App foo={ bar } />;',
     options: ['always'],
     errors: [{
       message: 'A space is required before \'}\''
     }],
     parserOptions: parserOptions
   }, {
     code: '<App foo={bar } />;',
+    output: '<App foo={ bar } />;',
     options: ['always'],
     errors: [{
       message: 'A space is required after \'{\''
     }],
     parserOptions: parserOptions
   }, {
     code: '<App foo={ bar} />;',
+    output: '<App foo={bar} />;',
     options: ['never'],
     errors: [{
       message: 'There should be no space after \'{\''
     }],
     parserOptions: parserOptions
   }, {
     code: '<App foo={bar } />;',
+    output: '<App foo={bar} />;',
     options: ['never'],
     errors: [{
       message: 'There should be no space before \'}\''
@@ -149,6 +158,7 @@ ruleTester.run('jsx-curly-spacing', rule, {
       'bar',
       '} />;'
     ].join('\n'),
+    output: '<App foo={bar} />;',
     options: ['never', {allowMultiline: false}],
     errors: [{
       message: 'There should be no space after \'{\''
@@ -162,6 +172,7 @@ ruleTester.run('jsx-curly-spacing', rule, {
       'bar',
       '} />;'
     ].join('\n'),
+    output: '<App foo={ bar } />;',
     options: ['always', {allowMultiline: false}],
     errors: [{
       message: 'There should be no newline after \'{\''