[Fix] jsx-curly-brace-presence: Fix error related to tags line break

Fixes #1727.

Author: rafbgarcia

lib/rules/jsx-curly-brace-presence.js

@@ -298,7 +298,11 @@ module.exports = {
       return areRuleConditionsSatisfied(parent, config, OPTION_NEVER);
     }
 
-    function shouldCheckForMissingCurly(parent, config) {
+    function shouldCheckForMissingCurly(node, config) {
+      if (node.raw.trim() === '') {
+        return false;
+      }
+      const parent = node.parent;
       if (
         parent.children &&
         parent.children.length === 1 &&
@@ -322,7 +326,7 @@ module.exports = {
       },
 
       'Literal, JSXText': (node) => {
-        if (shouldCheckForMissingCurly(node.parent, userConfig)) {
+        if (shouldCheckForMissingCurly(node, userConfig)) {
           reportMissingCurly(node);
         }
       }

tests/lib/rules/jsx-curly-brace-presence.js

@@ -376,6 +376,21 @@ ruleTester.run('jsx-curly-brace-presence', rule, {
         <MyComponent p={<Foo>Bar</Foo>}>
         </MyComponent>
       `
+    },
+    {
+      code: `
+        <MyComponent>
+          <div>
+            <p>
+              <span>
+                {"foo"}
+              </span>
+            </p>
+          </div>
+        </MyComponent>
+      `,
+      parser: parsers.BABEL_ESLINT,
+      options: [{children: 'always'}]
     }
   ],