@graphql-tools/wrap
Version:
A set of utils for faster development of GraphQL tools
40 lines (39 loc) • 1.96 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.introspectSchema = void 0;
const graphql_1 = require("graphql");
const value_or_promise_1 = require("value-or-promise");
const utils_1 = require("@graphql-tools/utils");
function getSchemaFromIntrospection(introspectionResult, options) {
var _a;
if ((_a = introspectionResult === null || introspectionResult === void 0 ? void 0 : introspectionResult.data) === null || _a === void 0 ? void 0 : _a.__schema) {
return (0, graphql_1.buildClientSchema)(introspectionResult.data, options);
}
if (introspectionResult === null || introspectionResult === void 0 ? void 0 : introspectionResult.errors) {
const graphqlErrors = introspectionResult.errors.map(error => (0, utils_1.createGraphQLError)(error.message, error));
if (introspectionResult.errors.length === 1) {
throw graphqlErrors[0];
}
else {
throw new utils_1.AggregateError(graphqlErrors, 'Could not obtain introspection result');
}
}
throw (0, utils_1.createGraphQLError)(`Could not obtain introspection result, received the following as response; \n ${(0, utils_1.inspect)(introspectionResult)}`);
}
function introspectSchema(executor, context, options) {
const parsedIntrospectionQuery = (0, graphql_1.parse)((0, graphql_1.getIntrospectionQuery)(options), options);
return new value_or_promise_1.ValueOrPromise(() => executor({
document: parsedIntrospectionQuery,
context,
}))
.then(introspection => {
if ((0, utils_1.isAsyncIterable)(introspection)) {
const iterator = introspection[Symbol.asyncIterator]();
return iterator.next().then(({ value }) => value);
}
return introspection;
})
.then(introspection => getSchemaFromIntrospection(introspection, options))
.resolve();
}
exports.introspectSchema = introspectSchema;