Add SpreadElement support to require-default-props

Author: yannickcr

lib/rules/require-default-props.js

@@ -113,7 +113,7 @@ module.exports = {
      * @returns {Object[]}        Array of PropType object representations, to be consumed by `addPropTypesToComponent`.
      */
     function getPropTypesFromObjectExpression(objectExpression) {
-      const props = objectExpression.properties.filter(property => property.type !== 'ExperimentalSpreadProperty');
+      const props = objectExpression.properties.filter(property => property.type !== 'ExperimentalSpreadProperty' && property.type !== 'SpreadElement');
 
       return props.map(property => ({
         name: sourceCode.getText(property.key).replace(QUOTES_REGEX, ''),
@@ -184,7 +184,7 @@ module.exports = {
      *                                     from this ObjectExpression can't be resolved.
      */
     function getDefaultPropsFromObjectExpression(objectExpression) {
-      const hasSpread = objectExpression.properties.find(property => property.type === 'ExperimentalSpreadProperty');
+      const hasSpread = objectExpression.properties.find(property => property.type === 'ExperimentalSpreadProperty' || property.type === 'SpreadElement');
 
       if (hasSpread) {
         return 'unresolved';
@@ -555,7 +555,7 @@ module.exports = {
 
         // Search for the proptypes declaration
         node.properties.forEach(property => {
-          if (property.type === 'ExperimentalSpreadProperty') {
+          if (property.type === 'ExperimentalSpreadProperty' || property.type === 'SpreadElement') {
             return;
           }