diff --git a/lib/flow_doctrine.js b/lib/flow_doctrine.js
index a7e46c07b..49a28d83e 100644
--- a/lib/flow_doctrine.js
+++ b/lib/flow_doctrine.js
@@ -98,9 +98,13 @@ function flowDoctrine(type/*: Object */)/*: DoctrineType*/ {
return {
type: 'FunctionType',
params: type.params.map(param => {
+ let name = '';
+ if (param.name && param.name.name) {
+ name = param.name.name;
+ }
return {
type: 'ParameterType',
- name: param.name.name,
+ name: name,
expression: flowDoctrine(param.typeAnnotation)
};
}),
diff --git a/lib/output/util/format_type.js b/lib/output/util/format_type.js
index 19ed6913d..242954623 100644
--- a/lib/output/util/format_type.js
+++ b/lib/output/util/format_type.js
@@ -118,7 +118,10 @@ function formatType(getHref/*: Function*/, node/*: ?Object */) {
case Syntax.NameExpression:
return [link(node.name, getHref)];
case Syntax.ParameterType:
- return [t(node.name + ': ')].concat(formatType(getHref, node.expression));
+ if (node.name) {
+ result.push(t(node.name + ': '));
+ }
+ return result.concat(formatType(getHref, node.expression));
case Syntax.TypeApplication:
return formatType(getHref, node.expression)
diff --git a/test/lib/flow_doctrine.js b/test/lib/flow_doctrine.js
index 1ba50537e..df0505fd2 100644
--- a/test/lib/flow_doctrine.js
+++ b/test/lib/flow_doctrine.js
@@ -181,6 +181,19 @@ test('flowDoctrine', function (t) {
name: 'boolean'
}, 'boolean');
+ t.deepEqual(toDoctrineType('any => any'),
+ {
+ type: 'FunctionType',
+ params: [
+ {
+ expression: {type: 'AllLiteral'},
+ name: '',
+ type: 'ParameterType'
+ }
+ ],
+ result: {type: 'AllLiteral'},
+ }, '');
+
t.deepEqual(toDoctrineType('undefined'),
{
type: 'NameExpression',
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