fix: fix astnode for ObjectMethod

Author: daybrush

lib/jsdoc/src/astnode.js

@@ -263,7 +263,6 @@ var nodeToValue = exports.nodeToValue = function(node) {
                 str += nodeToValue(node.key);
             }
             break;
-
         case Syntax.ObjectExpression:
             tempObject = {};
             node.properties.forEach(function(prop) {
@@ -274,9 +273,9 @@ var nodeToValue = exports.nodeToValue = function(node) {
                 }
 
                 key = prop.key.name;
-
-                // preserve literal values so that the JSON form shows the correct type
-                if (prop.value.type === Syntax.Literal) {
+                if (prop.type === 'ObjectMethod') {
+                    tempObject[key] = '() => void';
+                } else if (prop.value.type === Syntax.Literal) {
                     tempObject[key] = prop.value.value;
                 }
                 else {