Add SFC examples in the documentation and tests

Author: Fernando Maia

docs/rules/jsx-sort-default-props.md

@@ -40,6 +40,13 @@ class Component extends React.Component {
     return <div />;
   }
 }
+
+const Component = (props) => (...);
+Component.defaultProps = {
+  z: "z",
+  y: "y",
+  a: "a"
+};
 ```
 
 The following patterns are considered okay and do not cause warnings:
@@ -76,6 +83,13 @@ class Component extends React.Component {
     return <div />;
   }
 }
+
+const Component = (props) => (...);
+Component.defaultProps = {
+  a: "a",
+  y: "y",
+  z: "z"
+};
 ```
 
 ## Rule Options

lib/rules/jsx-sort-default-props.js

@@ -4,7 +4,7 @@
  */
 'use strict';
 
-// const variableUtil = require('../util/variable');
+const variableUtil = require('../util/variable');
 
 // ------------------------------------------------------------------------------
 // Rule Definition
@@ -33,7 +33,7 @@ module.exports = {
     const sourceCode = context.getSourceCode();
     const configuration = context.options[0] || {};
     const ignoreCase = configuration.ignoreCase || false;
-    // const propWrapperFunctions = new Set(context.settings.propWrapperFunctions || []);
+    const propWrapperFunctions = new Set(context.settings.propWrapperFunctions || []);
 
     /**
      * Get properties name
@@ -73,19 +73,19 @@ module.exports = {
      * @param  {string} name Name of the variable to look for.
      * @returns {ASTNode|null} Return null if the variable could not be found, ASTNode otherwise.
      */
-    // function findVariableByName(name) {
-    //   const variable = variableUtil.variablesInScope(context).find(item => item.name === name);
-    //
-    //   if (!variable || !variable.defs[0] || !variable.defs[0].node) {
-    //     return null;
-    //   }
-    //
-    //   if (variable.defs[0].node.type === 'TypeAlias') {
-    //     return variable.defs[0].node.right;
-    //   }
-    //
-    //   return variable.defs[0].node.init;
-    // }
+    function findVariableByName(name) {
+      const variable = variableUtil.variablesInScope(context).find(item => item.name === name);
+
+      if (!variable || !variable.defs[0] || !variable.defs[0].node) {
+        return null;
+      }
+
+      if (variable.defs[0].node.type === 'TypeAlias') {
+        return variable.defs[0].node.right;
+      }
+
+      return variable.defs[0].node.init;
+    }
 
     /**
      * Checks if defaultProps declarations are sorted
@@ -124,18 +124,18 @@ module.exports = {
         case 'ObjectExpression':
           checkSorted(node.properties);
           break;
-        // case 'Identifier':
-        //   const propTypesObject = findVariableByName(node.name);
-        //   if (propTypesObject && propTypesObject.properties) {
-        //     checkSorted(propTypesObject.properties);
-        //   }
-        //   break;
-        // case 'CallExpression':
-        //   const innerNode = node.arguments && node.arguments[0];
-        //   if (propWrapperFunctions.has(node.callee.name) && innerNode) {
-        //     checkNode(innerNode);
-        //   }
-        //   break;
+        case 'Identifier':
+          const propTypesObject = findVariableByName(node.name);
+          if (propTypesObject && propTypesObject.properties) {
+            checkSorted(propTypesObject.properties);
+          }
+          break;
+        case 'CallExpression':
+          const innerNode = node.arguments && node.arguments[0];
+          if (propWrapperFunctions.has(node.callee.name) && innerNode) {
+            checkNode(innerNode);
+          }
+          break;
         default:
           break;
       }

tests/lib/rules/jsx-sort-default-props.js

@@ -474,5 +474,25 @@ ruleTester.run('jsx-sort-default-props', rule, {
       column: 3,
       type: 'Property'
     }]
+  }, {
+    code: [
+      'const First = (props) => <div />;',
+      'const propTypes = {',
+      '  z: PropTypes.string,',
+      '  a: PropTypes.any,',
+      '};',
+      'const defaultProps = {',
+      '  z: "z",',
+      '  a: "a",',
+      '};',
+      'First.propTypes = propTypes;',
+      'First.defaultProps = defaultProps;'
+    ].join('\n'),
+    errors: [{
+      message: ERROR_MESSAGE,
+      line: 8,
+      column: 3,
+      type: 'Property'
+    }]
   }]
 });