Initial commit

server/node_modules/graphql/validation/validate.js

@@ -0,0 +1,110 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.validate = validate;
+exports.validateSDL = validateSDL;
+exports.assertValidSDL = assertValidSDL;
+exports.assertValidSDLExtension = assertValidSDLExtension;
+
+var _invariant = _interopRequireDefault(require("../jsutils/invariant"));
+
+var _visitor = require("../language/visitor");
+
+var _validate = require("../type/validate");
+
+var _TypeInfo = require("../utilities/TypeInfo");
+
+var _specifiedRules = require("./specifiedRules");
+
+var _ValidationContext = require("./ValidationContext");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ *  strict
+ */
+
+/**
+ * Implements the "Validation" section of the spec.
+ *
+ * Validation runs synchronously, returning an array of encountered errors, or
+ * an empty array if no errors were encountered and the document is valid.
+ *
+ * A list of specific validation rules may be provided. If not provided, the
+ * default list of rules defined by the GraphQL specification will be used.
+ *
+ * Each validation rules is a function which returns a visitor
+ * (see the language/visitor API). Visitor methods are expected to return
+ * GraphQLErrors, or Arrays of GraphQLErrors when invalid.
+ *
+ * Optionally a custom TypeInfo instance may be provided. If not provided, one
+ * will be created from the provided schema.
+ */
+function validate(schema, documentAST) {
+  var rules = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _specifiedRules.specifiedRules;
+  var typeInfo = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : new _TypeInfo.TypeInfo(schema);
+  !documentAST ? (0, _invariant.default)(0, 'Must provide document') : void 0; // If the schema used for validation is invalid, throw an error.
+
+  (0, _validate.assertValidSchema)(schema);
+  var context = new _ValidationContext.ValidationContext(schema, documentAST, typeInfo); // This uses a specialized visitor which runs multiple visitors in parallel,
+  // while maintaining the visitor skip and break API.
+
+  var visitor = (0, _visitor.visitInParallel)(rules.map(function (rule) {
+    return rule(context);
+  })); // Visit the whole document with each instance of all provided rules.
+
+  (0, _visitor.visit)(documentAST, (0, _visitor.visitWithTypeInfo)(typeInfo, visitor));
+  return context.getErrors();
+} // @internal
+
+
+function validateSDL(documentAST, schemaToExtend) {
+  var rules = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _specifiedRules.specifiedSDLRules;
+  var context = new _ValidationContext.SDLValidationContext(documentAST, schemaToExtend);
+  var visitors = rules.map(function (rule) {
+    return rule(context);
+  });
+  (0, _visitor.visit)(documentAST, (0, _visitor.visitInParallel)(visitors));
+  return context.getErrors();
+}
+/**
+ * Utility function which asserts a SDL document is valid by throwing an error
+ * if it is invalid.
+ *
+ * @internal
+ */
+
+
+function assertValidSDL(documentAST) {
+  var errors = validateSDL(documentAST);
+
+  if (errors.length !== 0) {
+    throw new Error(errors.map(function (error) {
+      return error.message;
+    }).join('\n\n'));
+  }
+}
+/**
+ * Utility function which asserts a SDL document is valid by throwing an error
+ * if it is invalid.
+ *
+ * @internal
+ */
+
+
+function assertValidSDLExtension(documentAST, schema) {
+  var errors = validateSDL(documentAST, schema);
+
+  if (errors.length !== 0) {
+    throw new Error(errors.map(function (error) {
+      return error.message;
+    }).join('\n\n'));
+  }
+}