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import devAssert from "../jsutils/devAssert.mjs";
import { GraphQLError } from "../error/GraphQLError.mjs";
import { visit, visitInParallel } from "../language/visitor.mjs";
import { assertValidSchema } from "../type/validate.mjs";
import { TypeInfo, visitWithTypeInfo } from "../utilities/TypeInfo.mjs";
import { specifiedRules, specifiedSDLRules } from "./specifiedRules.mjs";
import { SDLValidationContext, ValidationContext } from "./ValidationContext.mjs";
/**
* 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.
*/
export function validate(schema, documentAST) {
var rules = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : specifiedRules;
var typeInfo = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : new TypeInfo(schema);
var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {
maxErrors: undefined
};
documentAST || devAssert(0, 'Must provide document.'); // If the schema used for validation is invalid, throw an error.
assertValidSchema(schema);
var abortObj = Object.freeze({});
var errors = [];
var context = new ValidationContext(schema, documentAST, typeInfo, function (error) {
if (options.maxErrors != null && errors.length >= options.maxErrors) {
errors.push(new GraphQLError('Too many validation errors, error limit reached. Validation aborted.'));
throw abortObj;
}
errors.push(error);
}); // This uses a specialized visitor which runs multiple visitors in parallel,
// while maintaining the visitor skip and break API.
var visitor = visitInParallel(rules.map(function (rule) {
return rule(context);
})); // Visit the whole document with each instance of all provided rules.
try {
visit(documentAST, visitWithTypeInfo(typeInfo, visitor));
} catch (e) {
if (e !== abortObj) {
throw e;
}
}
return errors;
}
/**
* @internal
*/
export function validateSDL(documentAST, schemaToExtend) {
var rules = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : specifiedSDLRules;
var errors = [];
var context = new SDLValidationContext(documentAST, schemaToExtend, function (error) {
errors.push(error);
});
var visitors = rules.map(function (rule) {
return rule(context);
});
visit(documentAST, visitInParallel(visitors));
return errors;
}
/**
* Utility function which asserts a SDL document is valid by throwing an error
* if it is invalid.
*
* @internal
*/
export 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
*/
export 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'));
}
}
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