103 lines
3.0 KiB
JavaScript
103 lines
3.0 KiB
JavaScript
import isPromise from './jsutils/isPromise';
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import { validateSchema } from './type/validate';
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import { parse } from './language/parser';
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import { validate } from './validation/validate';
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import { execute } from './execution/execute';
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export function graphql(argsOrSchema, source, rootValue, contextValue, variableValues, operationName, fieldResolver, typeResolver) {
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var _arguments = arguments;
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/* eslint-enable no-redeclare */
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// Always return a Promise for a consistent API.
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return new Promise(function (resolve) {
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return resolve( // Extract arguments from object args if provided.
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_arguments.length === 1 ? graphqlImpl(argsOrSchema) : graphqlImpl({
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schema: argsOrSchema,
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source: source,
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rootValue: rootValue,
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contextValue: contextValue,
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variableValues: variableValues,
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operationName: operationName,
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fieldResolver: fieldResolver,
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typeResolver: typeResolver
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}));
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});
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}
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/**
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* The graphqlSync function also fulfills GraphQL operations by parsing,
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* validating, and executing a GraphQL document along side a GraphQL schema.
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* However, it guarantees to complete synchronously (or throw an error) assuming
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* that all field resolvers are also synchronous.
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*/
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export function graphqlSync(argsOrSchema, source, rootValue, contextValue, variableValues, operationName, fieldResolver, typeResolver) {
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/* eslint-enable no-redeclare */
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// Extract arguments from object args if provided.
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var result = arguments.length === 1 ? graphqlImpl(argsOrSchema) : graphqlImpl({
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schema: argsOrSchema,
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source: source,
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rootValue: rootValue,
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contextValue: contextValue,
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variableValues: variableValues,
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operationName: operationName,
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fieldResolver: fieldResolver,
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typeResolver: typeResolver
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}); // Assert that the execution was synchronous.
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if (isPromise(result)) {
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throw new Error('GraphQL execution failed to complete synchronously.');
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}
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return result;
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}
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function graphqlImpl(args) {
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var schema = args.schema,
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source = args.source,
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rootValue = args.rootValue,
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contextValue = args.contextValue,
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variableValues = args.variableValues,
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operationName = args.operationName,
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fieldResolver = args.fieldResolver,
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typeResolver = args.typeResolver; // Validate Schema
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var schemaValidationErrors = validateSchema(schema);
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if (schemaValidationErrors.length > 0) {
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return {
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errors: schemaValidationErrors
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};
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} // Parse
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var document;
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try {
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document = parse(source);
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} catch (syntaxError) {
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return {
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errors: [syntaxError]
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};
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} // Validate
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var validationErrors = validate(schema, document);
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if (validationErrors.length > 0) {
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return {
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errors: validationErrors
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};
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} // Execute
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return execute({
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schema: schema,
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document: document,
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rootValue: rootValue,
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contextValue: contextValue,
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variableValues: variableValues,
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operationName: operationName,
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fieldResolver: fieldResolver,
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typeResolver: typeResolver
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});
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}
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