Feb 15th 2023 update

external/graphqlparser/ast/js.py

@@ -0,0 +1,65 @@
+# Copyright 2019-present, GraphQL Foundation
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+
+class Printer(object):
+  def __init__(self):
+    pass
+
+  def start_file(self):
+    print '''/* @flow */
+/* @generated */
+/* jshint ignore:start */
+
+/**
+ * Copyright 2019-present, GraphQL Foundation
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+type Node = {
+  kind: string;
+  start?: ?number;
+  end?: ?number;
+};
+
+type OperationKind = 'query' | 'mutation' | 'subscription';'''
+
+  def end_file(self):
+    pass
+
+  def start_type(self, name):
+    print
+    print 'type %s = Node & {' % name
+    kind = name
+    if kind == 'GenericType':
+      kind = 'Type'
+    print '  kind: \'%s\';' % kind
+
+  def end_type(self, name):
+    print '}'
+
+  def _js_type(self, type, plural):
+    if plural:
+      type = 'Array<%s>' % type
+    return type
+
+  def field(self, type, name, nullable, plural):
+    nullable_char = '?' if nullable else ''
+    js_type = self._js_type(type, plural)
+    print '  %(name)s%(nullable_char)s: %(nullable_char)s%(js_type)s;' % locals()
+
+  def start_union(self, name):
+    print ('type %s = ' % name),
+    self._current_options = []
+
+  def union_option(self, type):
+    self._current_options.append(type)
+
+  def end_union(self, name):
+    print '\n  | '.join(self._current_options)
+    print
+    self._current_options = None