fix resolving re-exported components (#272)

Author: patricklx

src/main/kotlin/com/emberjs/utils/EmberUtils.kt

@@ -25,6 +25,7 @@ import com.intellij.application.options.CodeStyle
 import com.intellij.framework.detection.impl.FrameworkDetectionManager
 import com.intellij.injected.editor.VirtualFileWindow
 import com.intellij.lang.Language
+import com.intellij.lang.ecmascript6.psi.ES6ExportDefaultAssignment
 import com.intellij.lang.ecmascript6.psi.ES6ExportSpecifierAlias
 import com.intellij.lang.ecmascript6.psi.ES6ImportExportDeclaration
 import com.intellij.lang.ecmascript6.psi.ES6ImportSpecifier
@@ -347,6 +348,10 @@ class EmberUtils {
                 return followReferences(element.parent.reference?.resolve())
             }
 
+            if (element is ES6ExportDefaultAssignment) {
+                return element.namedElement
+            }
+
             if (element is ES6ImportedBinding) {
                 val res = element.multiResolve(true).firstOrNull()
                 if (res != null && res.element != null) {