flow like the river

BACK_BACK/node_modules/graphql/validation/rules/ExecutableDefinitionsRule.js

@@ -0,0 +1,35 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ExecutableDefinitionsRule = ExecutableDefinitionsRule;
+
+var _GraphQLError = require("../../error/GraphQLError.js");
+
+var _kinds = require("../../language/kinds.js");
+
+var _predicates = require("../../language/predicates.js");
+
+/**
+ * Executable definitions
+ *
+ * A GraphQL document is only valid for execution if all definitions are either
+ * operation or fragment definitions.
+ */
+function ExecutableDefinitionsRule(context) {
+  return {
+    Document: function Document(node) {
+      for (var _i2 = 0, _node$definitions2 = node.definitions; _i2 < _node$definitions2.length; _i2++) {
+        var definition = _node$definitions2[_i2];
+
+        if (!(0, _predicates.isExecutableDefinitionNode)(definition)) {
+          var defName = definition.kind === _kinds.Kind.SCHEMA_DEFINITION || definition.kind === _kinds.Kind.SCHEMA_EXTENSION ? 'schema' : '"' + definition.name.value + '"';
+          context.reportError(new _GraphQLError.GraphQLError("The ".concat(defName, " definition is not executable."), definition));
+        }
+      }
+
+      return false;
+    }
+  };
+}