diff options
Diffstat (limited to 'school/node_modules/graphql/validation/validate.mjs')
-rw-r--r-- | school/node_modules/graphql/validation/validate.mjs | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/school/node_modules/graphql/validation/validate.mjs b/school/node_modules/graphql/validation/validate.mjs new file mode 100644 index 0000000..2ae71e7 --- /dev/null +++ b/school/node_modules/graphql/validation/validate.mjs @@ -0,0 +1,107 @@ +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')); + } +} |