jsx-first-pro-new-line autofix implementation

Test should ignore indent for now

Author: snowypowers

lib/rules/jsx-first-prop-new-line.js

@@ -15,6 +15,7 @@ module.exports = {
       category: 'Stylistic Issues',
       recommended: false
     },
+    fixable: 'code',
 
     schema: [{
       enum: ['always', 'never', 'multiline', 'multiline-multiprop']
@@ -39,7 +40,10 @@ module.exports = {
             if (decl.loc.start.line === node.loc.start.line) {
               context.report({
                 node: decl,
-                message: 'Property should be placed on a new line'
+                message: 'Property should be placed on a new line',
+                fix: function(fixer) {
+                  return fixer.insertTextAfter(node.name, '\n');
+                }
               });
             }
           });
@@ -48,7 +52,10 @@ module.exports = {
           if (node.loc.start.line < firstNode.loc.start.line) {
             context.report({
               node: firstNode,
-              message: 'Property should be placed on the same line as the component declaration'
+              message: 'Property should be placed on the same line as the component declaration',
+              fix: function(fixer) {
+                return fixer.replaceTextRange([node.name.end, firstNode.start], ' ');
+              }
             });
             return;
           }

tests/lib/rules/jsx-first-prop-new-line.js

@@ -153,6 +153,10 @@ ruleTester.run('jsx-first-prop-new-line', rule, {
   invalid: [
     {
       code: '<Foo prop="one" />',
+      output: [
+        '<Foo',
+        ' prop="one" />'
+      ].join('\n'),
       options: ['always'],
       errors: [{message: 'Property should be placed on a new line'}],
       parser: parserOptions
@@ -163,6 +167,12 @@ ruleTester.run('jsx-first-prop-new-line', rule, {
         '  propTwo="two"',
         '/>'
       ].join('\n'),
+      output: [
+        '<Foo',
+        ' propOne="one"',
+        '  propTwo="two"',
+        '/>'
+      ].join('\n'),
       options: ['always'],
       errors: [{message: 'Property should be placed on a new line'}],
       parser: parserOptions
@@ -174,6 +184,11 @@ ruleTester.run('jsx-first-prop-new-line', rule, {
         ' propTwo="two"',
         '/>'
       ].join('\n'),
+      output: [
+        '<Foo propOne="one"',
+        ' propTwo="two"',
+        '/>'
+      ].join('\n'),
       options: ['never'],
       errors: [{message: 'Property should be placed on the same line as the component declaration'}],
       parser: parserOptions