Initialisation

Added the packages and files for the backend server

node_modules/@apollo/server/dist/esm/ApolloServer.js

@@ -0,0 +1,661 @@
+import { isNodeLike } from '@apollo/utils.isnodelike';
+import { InMemoryLRUCache, PrefixingKeyValueCache, } from '@apollo/utils.keyvaluecache';
+import { makeExecutableSchema } from '@graphql-tools/schema';
+import resolvable from './utils/resolvable.js';
+import { GraphQLError, assertValidSchema, print, printSchema, } from 'graphql';
+import loglevel from 'loglevel';
+import Negotiator from 'negotiator';
+import { newCachePolicy } from './cachePolicy.js';
+import { determineApolloConfig } from './determineApolloConfig.js';
+import { ensureError, ensureGraphQLError, normalizeAndFormatErrors, } from './errorNormalize.js';
+import { ApolloServerErrorCode, ApolloServerValidationErrorCode, } from './errors/index.js';
+import { runPotentiallyBatchedHttpQuery } from './httpBatching.js';
+import { pluginIsInternal } from './internalPlugin.js';
+import { preventCsrf, recommendedCsrfPreventionRequestHeaders, } from './preventCsrf.js';
+import { APQ_CACHE_PREFIX, processGraphQLRequest } from './requestPipeline.js';
+import { newHTTPGraphQLHead, prettyJSONStringify } from './runHttpQuery.js';
+import { HeaderMap } from './utils/HeaderMap.js';
+import { UnreachableCaseError } from './utils/UnreachableCaseError.js';
+import { computeCoreSchemaHash } from './utils/computeCoreSchemaHash.js';
+import { isDefined } from './utils/isDefined.js';
+import { SchemaManager } from './utils/schemaManager.js';
+const NoIntrospection = (context) => ({
+    Field(node) {
+        if (node.name.value === '__schema' || node.name.value === '__type') {
+            context.reportError(new GraphQLError('GraphQL introspection is not allowed by Apollo Server, but the query contained __schema or __type. To enable introspection, pass introspection: true to ApolloServer in production', {
+                nodes: [node],
+                extensions: {
+                    validationErrorCode: ApolloServerValidationErrorCode.INTROSPECTION_DISABLED,
+                },
+            }));
+        }
+    },
+});
+function defaultLogger() {
+    const loglevelLogger = loglevel.getLogger('apollo-server');
+    loglevelLogger.setLevel(loglevel.levels.INFO);
+    return loglevelLogger;
+}
+export class ApolloServer {
+    constructor(config) {
+        const nodeEnv = config.nodeEnv ?? process.env.NODE_ENV ?? '';
+        this.logger = config.logger ?? defaultLogger();
+        const apolloConfig = determineApolloConfig(config.apollo, this.logger);
+        const isDev = nodeEnv !== 'production';
+        if (config.cache &&
+            config.cache !== 'bounded' &&
+            PrefixingKeyValueCache.prefixesAreUnnecessaryForIsolation(config.cache)) {
+            throw new Error('You cannot pass a cache returned from ' +
+                '`PrefixingKeyValueCache.cacheDangerouslyDoesNotNeedPrefixesForIsolation`' +
+                'to `new ApolloServer({ cache })`, because Apollo Server may use it for ' +
+                'multiple features whose cache keys must be distinct from each other.');
+        }
+        const state = config.gateway
+            ?
+                {
+                    phase: 'initialized',
+                    schemaManager: new SchemaManager({
+                        gateway: config.gateway,
+                        apolloConfig,
+                        schemaDerivedDataProvider: (schema) => ApolloServer.generateSchemaDerivedData(schema, config.documentStore),
+                        logger: this.logger,
+                    }),
+                }
+            :
+                {
+                    phase: 'initialized',
+                    schemaManager: new SchemaManager({
+                        apiSchema: ApolloServer.constructSchema(config),
+                        schemaDerivedDataProvider: (schema) => ApolloServer.generateSchemaDerivedData(schema, config.documentStore),
+                        logger: this.logger,
+                    }),
+                };
+        const introspectionEnabled = config.introspection ?? isDev;
+        const hideSchemaDetailsFromClientErrors = config.hideSchemaDetailsFromClientErrors ?? false;
+        this.cache =
+            config.cache === undefined || config.cache === 'bounded'
+                ? new InMemoryLRUCache()
+                : config.cache;
+        this.internals = {
+            formatError: config.formatError,
+            rootValue: config.rootValue,
+            validationRules: [
+                ...(config.validationRules ?? []),
+                ...(introspectionEnabled ? [] : [NoIntrospection]),
+            ],
+            hideSchemaDetailsFromClientErrors,
+            dangerouslyDisableValidation: config.dangerouslyDisableValidation ?? false,
+            fieldResolver: config.fieldResolver,
+            includeStacktraceInErrorResponses: config.includeStacktraceInErrorResponses ??
+                (nodeEnv !== 'production' && nodeEnv !== 'test'),
+            persistedQueries: config.persistedQueries === false
+                ? undefined
+                : {
+                    ...config.persistedQueries,
+                    cache: new PrefixingKeyValueCache(config.persistedQueries?.cache ?? this.cache, APQ_CACHE_PREFIX),
+                },
+            nodeEnv,
+            allowBatchedHttpRequests: config.allowBatchedHttpRequests ?? false,
+            apolloConfig,
+            plugins: config.plugins ?? [],
+            parseOptions: config.parseOptions ?? {},
+            state,
+            stopOnTerminationSignals: config.stopOnTerminationSignals,
+            gatewayExecutor: null,
+            csrfPreventionRequestHeaders: config.csrfPrevention === true || config.csrfPrevention === undefined
+                ? recommendedCsrfPreventionRequestHeaders
+                : config.csrfPrevention === false
+                    ? null
+                    : (config.csrfPrevention.requestHeaders ??
+                        recommendedCsrfPreventionRequestHeaders),
+            status400ForVariableCoercionErrors: config.status400ForVariableCoercionErrors ?? false,
+            __testing_incrementalExecutionResults: config.__testing_incrementalExecutionResults,
+            stringifyResult: config.stringifyResult ?? prettyJSONStringify,
+        };
+    }
+    async start() {
+        return await this._start(false);
+    }
+    startInBackgroundHandlingStartupErrorsByLoggingAndFailingAllRequests() {
+        this._start(true).catch((e) => this.logStartupError(e));
+    }
+    async _start(startedInBackground) {
+        if (this.internals.state.phase !== 'initialized') {
+            throw new Error(`You should only call 'start()' or ` +
+                `'startInBackgroundHandlingStartupErrorsByLoggingAndFailingAllRequests()' ` +
+                `once on your ApolloServer.`);
+        }
+        const schemaManager = this.internals.state.schemaManager;
+        const barrier = resolvable();
+        this.internals.state = {
+            phase: 'starting',
+            barrier,
+            schemaManager,
+            startedInBackground,
+        };
+        try {
+            await this.addDefaultPlugins();
+            const toDispose = [];
+            const executor = await schemaManager.start();
+            if (executor) {
+                this.internals.gatewayExecutor = executor;
+            }
+            toDispose.push(async () => {
+                await schemaManager.stop();
+            });
+            const schemaDerivedData = schemaManager.getSchemaDerivedData();
+            const service = {
+                logger: this.logger,
+                cache: this.cache,
+                schema: schemaDerivedData.schema,
+                apollo: this.internals.apolloConfig,
+                startedInBackground,
+            };
+            const taggedServerListeners = (await Promise.all(this.internals.plugins.map(async (plugin) => ({
+                serverListener: plugin.serverWillStart && (await plugin.serverWillStart(service)),
+                installedImplicitly: isImplicitlyInstallablePlugin(plugin) &&
+                    plugin.__internal_installed_implicitly__,
+            })))).filter((maybeTaggedServerListener) => typeof maybeTaggedServerListener.serverListener === 'object');
+            taggedServerListeners.forEach(({ serverListener: { schemaDidLoadOrUpdate } }) => {
+                if (schemaDidLoadOrUpdate) {
+                    schemaManager.onSchemaLoadOrUpdate(schemaDidLoadOrUpdate);
+                }
+            });
+            const serverWillStops = taggedServerListeners
+                .map((l) => l.serverListener.serverWillStop)
+                .filter(isDefined);
+            if (serverWillStops.length) {
+                toDispose.push(async () => {
+                    await Promise.all(serverWillStops.map((serverWillStop) => serverWillStop()));
+                });
+            }
+            const drainServerCallbacks = taggedServerListeners
+                .map((l) => l.serverListener.drainServer)
+                .filter(isDefined);
+            const drainServers = drainServerCallbacks.length
+                ? async () => {
+                    await Promise.all(drainServerCallbacks.map((drainServer) => drainServer()));
+                }
+                : null;
+            let taggedServerListenersWithRenderLandingPage = taggedServerListeners.filter((l) => l.serverListener.renderLandingPage);
+            if (taggedServerListenersWithRenderLandingPage.length > 1) {
+                taggedServerListenersWithRenderLandingPage =
+                    taggedServerListenersWithRenderLandingPage.filter((l) => !l.installedImplicitly);
+            }
+            let landingPage = null;
+            if (taggedServerListenersWithRenderLandingPage.length > 1) {
+                throw Error('Only one plugin can implement renderLandingPage.');
+            }
+            else if (taggedServerListenersWithRenderLandingPage.length) {
+                landingPage =
+                    await taggedServerListenersWithRenderLandingPage[0].serverListener
+                        .renderLandingPage();
+            }
+            const toDisposeLast = this.maybeRegisterTerminationSignalHandlers(['SIGINT', 'SIGTERM'], startedInBackground);
+            this.internals.state = {
+                phase: 'started',
+                schemaManager,
+                drainServers,
+                landingPage,
+                toDispose,
+                toDisposeLast,
+            };
+        }
+        catch (maybeError) {
+            const error = ensureError(maybeError);
+            try {
+                await Promise.all(this.internals.plugins.map(async (plugin) => plugin.startupDidFail?.({ error })));
+            }
+            catch (pluginError) {
+                this.logger.error(`startupDidFail hook threw: ${pluginError}`);
+            }
+            this.internals.state = {
+                phase: 'failed to start',
+                error,
+            };
+            throw error;
+        }
+        finally {
+            barrier.resolve();
+        }
+    }
+    maybeRegisterTerminationSignalHandlers(signals, startedInBackground) {
+        const toDisposeLast = [];
+        if (this.internals.stopOnTerminationSignals === false ||
+            (this.internals.stopOnTerminationSignals === undefined &&
+                !(isNodeLike &&
+                    this.internals.nodeEnv !== 'test' &&
+                    !startedInBackground))) {
+            return toDisposeLast;
+        }
+        let receivedSignal = false;
+        const signalHandler = async (signal) => {
+            if (receivedSignal) {
+                return;
+            }
+            receivedSignal = true;
+            try {
+                await this.stop();
+            }
+            catch (e) {
+                this.logger.error(`stop() threw during ${signal} shutdown`);
+                this.logger.error(e);
+                process.exit(1);
+            }
+            process.kill(process.pid, signal);
+        };
+        signals.forEach((signal) => {
+            process.on(signal, signalHandler);
+            toDisposeLast.push(async () => {
+                process.removeListener(signal, signalHandler);
+            });
+        });
+        return toDisposeLast;
+    }
+    async _ensureStarted() {
+        while (true) {
+            switch (this.internals.state.phase) {
+                case 'initialized':
+                    throw new Error('You need to call `server.start()` before using your Apollo Server.');
+                case 'starting':
+                    await this.internals.state.barrier;
+                    break;
+                case 'failed to start':
+                    this.logStartupError(this.internals.state.error);
+                    throw new Error('This data graph is missing a valid configuration. More details may be available in the server logs.');
+                case 'started':
+                case 'draining':
+                    return this.internals.state;
+                case 'stopping':
+                case 'stopped':
+                    this.logger.warn('A GraphQL operation was received during server shutdown. The ' +
+                        'operation will fail. Consider draining the HTTP server on shutdown; ' +
+                        'see https://go.apollo.dev/s/drain for details.');
+                    throw new Error(`Cannot execute GraphQL operations ${this.internals.state.phase === 'stopping'
+                        ? 'while the server is stopping'
+                        : 'after the server has stopped'}.'`);
+                default:
+                    throw new UnreachableCaseError(this.internals.state);
+            }
+        }
+    }
+    assertStarted(expressionForError) {
+        if (this.internals.state.phase !== 'started' &&
+            this.internals.state.phase !== 'draining' &&
+            !(this.internals.state.phase === 'starting' &&
+                this.internals.state.startedInBackground)) {
+            throw new Error('You must `await server.start()` before calling `' +
+                expressionForError +
+                '`');
+        }
+    }
+    logStartupError(err) {
+        this.logger.error('An error occurred during Apollo Server startup. All GraphQL requests ' +
+            'will now fail. The startup error was: ' +
+            (err?.message || err));
+    }
+    static constructSchema(config) {
+        if (config.schema) {
+            return config.schema;
+        }
+        const { typeDefs, resolvers } = config;
+        const augmentedTypeDefs = Array.isArray(typeDefs) ? typeDefs : [typeDefs];
+        return makeExecutableSchema({
+            typeDefs: augmentedTypeDefs,
+            resolvers,
+        });
+    }
+    static generateSchemaDerivedData(schema, providedDocumentStore) {
+        assertValidSchema(schema);
+        return {
+            schema,
+            documentStore: providedDocumentStore === undefined
+                ? new InMemoryLRUCache()
+                : providedDocumentStore,
+            documentStoreKeyPrefix: providedDocumentStore
+                ? `${computeCoreSchemaHash(printSchema(schema))}:`
+                : '',
+        };
+    }
+    async stop() {
+        switch (this.internals.state.phase) {
+            case 'initialized':
+            case 'starting':
+            case 'failed to start':
+                throw Error('apolloServer.stop() should only be called after `await apolloServer.start()` has succeeded');
+            case 'stopped':
+                if (this.internals.state.stopError) {
+                    throw this.internals.state.stopError;
+                }
+                return;
+            case 'stopping':
+            case 'draining': {
+                await this.internals.state.barrier;
+                const state = this.internals.state;
+                if (state.phase !== 'stopped') {
+                    throw Error(`Surprising post-stopping state ${state.phase}`);
+                }
+                if (state.stopError) {
+                    throw state.stopError;
+                }
+                return;
+            }
+            case 'started':
+                break;
+            default:
+                throw new UnreachableCaseError(this.internals.state);
+        }
+        const barrier = resolvable();
+        const { schemaManager, drainServers, landingPage, toDispose, toDisposeLast, } = this.internals.state;
+        this.internals.state = {
+            phase: 'draining',
+            barrier,
+            schemaManager,
+            landingPage,
+        };
+        try {
+            await drainServers?.();
+            this.internals.state = { phase: 'stopping', barrier };
+            await Promise.all([...toDispose].map((dispose) => dispose()));
+            await Promise.all([...toDisposeLast].map((dispose) => dispose()));
+        }
+        catch (stopError) {
+            this.internals.state = {
+                phase: 'stopped',
+                stopError: stopError,
+            };
+            barrier.resolve();
+            throw stopError;
+        }
+        this.internals.state = { phase: 'stopped', stopError: null };
+    }
+    async addDefaultPlugins() {
+        const { plugins, apolloConfig, nodeEnv, hideSchemaDetailsFromClientErrors, } = this.internals;
+        const isDev = nodeEnv !== 'production';
+        const alreadyHavePluginWithInternalId = (id) => plugins.some((p) => pluginIsInternal(p) && p.__internal_plugin_id__ === id);
+        const pluginsByInternalID = new Map();
+        for (const p of plugins) {
+            if (pluginIsInternal(p)) {
+                const id = p.__internal_plugin_id__;
+                if (!pluginsByInternalID.has(id)) {
+                    pluginsByInternalID.set(id, {
+                        sawDisabled: false,
+                        sawNonDisabled: false,
+                    });
+                }
+                const seen = pluginsByInternalID.get(id);
+                if (p.__is_disabled_plugin__) {
+                    seen.sawDisabled = true;
+                }
+                else {
+                    seen.sawNonDisabled = true;
+                }
+                if (seen.sawDisabled && seen.sawNonDisabled) {
+                    throw new Error(`You have tried to install both ApolloServerPlugin${id} and ` +
+                        `ApolloServerPlugin${id}Disabled in your server. Please choose ` +
+                        `whether or not you want to disable the feature and install the ` +
+                        `appropriate plugin for your use case.`);
+                }
+            }
+        }
+        {
+            if (!alreadyHavePluginWithInternalId('CacheControl')) {
+                const { ApolloServerPluginCacheControl } = await import('./plugin/cacheControl/index.js');
+                plugins.push(ApolloServerPluginCacheControl());
+            }
+        }
+        {
+            const alreadyHavePlugin = alreadyHavePluginWithInternalId('UsageReporting');
+            if (!alreadyHavePlugin && apolloConfig.key) {
+                if (apolloConfig.graphRef) {
+                    const { ApolloServerPluginUsageReporting } = await import('./plugin/usageReporting/index.js');
+                    plugins.unshift(ApolloServerPluginUsageReporting({
+                        __onlyIfSchemaIsNotSubgraph: true,
+                    }));
+                }
+                else {
+                    this.logger.warn('You have specified an Apollo key but have not specified a graph ref; usage ' +
+                        'reporting is disabled. To enable usage reporting, set the `APOLLO_GRAPH_REF` ' +
+                        'environment variable to `your-graph-id@your-graph-variant`. To disable this ' +
+                        'warning, install `ApolloServerPluginUsageReportingDisabled`.');
+                }
+            }
+        }
+        {
+            const alreadyHavePlugin = alreadyHavePluginWithInternalId('SchemaReporting');
+            const enabledViaEnvVar = process.env.APOLLO_SCHEMA_REPORTING === 'true';
+            if (!alreadyHavePlugin && enabledViaEnvVar) {
+                if (apolloConfig.key) {
+                    const { ApolloServerPluginSchemaReporting } = await import('./plugin/schemaReporting/index.js');
+                    plugins.push(ApolloServerPluginSchemaReporting());
+                }
+                else {
+                    throw new Error("You've enabled schema reporting by setting the APOLLO_SCHEMA_REPORTING " +
+                        'environment variable to true, but you also need to provide your ' +
+                        'Apollo API key, via the APOLLO_KEY environment ' +
+                        'variable or via `new ApolloServer({apollo: {key})');
+                }
+            }
+        }
+        {
+            const alreadyHavePlugin = alreadyHavePluginWithInternalId('InlineTrace');
+            if (!alreadyHavePlugin) {
+                const { ApolloServerPluginInlineTrace } = await import('./plugin/inlineTrace/index.js');
+                plugins.push(ApolloServerPluginInlineTrace({ __onlyIfSchemaIsSubgraph: true }));
+            }
+        }
+        const alreadyHavePlugin = alreadyHavePluginWithInternalId('LandingPageDisabled');
+        if (!alreadyHavePlugin) {
+            const { ApolloServerPluginLandingPageLocalDefault, ApolloServerPluginLandingPageProductionDefault, } = await import('./plugin/landingPage/default/index.js');
+            const plugin = isDev
+                ? ApolloServerPluginLandingPageLocalDefault()
+                : ApolloServerPluginLandingPageProductionDefault();
+            if (!isImplicitlyInstallablePlugin(plugin)) {
+                throw Error('default landing page plugin should be implicitly installable?');
+            }
+            plugin.__internal_installed_implicitly__ = true;
+            plugins.push(plugin);
+        }
+        {
+            const alreadyHavePlugin = alreadyHavePluginWithInternalId('DisableSuggestions');
+            if (hideSchemaDetailsFromClientErrors && !alreadyHavePlugin) {
+                const { ApolloServerPluginDisableSuggestions } = await import('./plugin/disableSuggestions/index.js');
+                plugins.push(ApolloServerPluginDisableSuggestions());
+            }
+        }
+    }
+    addPlugin(plugin) {
+        if (this.internals.state.phase !== 'initialized') {
+            throw new Error("Can't add plugins after the server has started");
+        }
+        this.internals.plugins.push(plugin);
+    }
+    async executeHTTPGraphQLRequest({ httpGraphQLRequest, context, }) {
+        try {
+            let runningServerState;
+            try {
+                runningServerState = await this._ensureStarted();
+            }
+            catch (error) {
+                return await this.errorResponse(error, httpGraphQLRequest);
+            }
+            if (runningServerState.landingPage &&
+                this.prefersHTML(httpGraphQLRequest)) {
+                let renderedHtml;
+                if (typeof runningServerState.landingPage.html === 'string') {
+                    renderedHtml = runningServerState.landingPage.html;
+                }
+                else {
+                    try {
+                        renderedHtml = await runningServerState.landingPage.html();
+                    }
+                    catch (maybeError) {
+                        const error = ensureError(maybeError);
+                        this.logger.error(`Landing page \`html\` function threw: ${error}`);
+                        return await this.errorResponse(error, httpGraphQLRequest);
+                    }
+                }
+                return {
+                    headers: new HeaderMap([['content-type', 'text/html']]),
+                    body: {
+                        kind: 'complete',
+                        string: renderedHtml,
+                    },
+                };
+            }
+            if (this.internals.csrfPreventionRequestHeaders) {
+                preventCsrf(httpGraphQLRequest.headers, this.internals.csrfPreventionRequestHeaders);
+            }
+            let contextValue;
+            try {
+                contextValue = await context();
+            }
+            catch (maybeError) {
+                const error = ensureError(maybeError);
+                try {
+                    await Promise.all(this.internals.plugins.map(async (plugin) => plugin.contextCreationDidFail?.({
+                        error,
+                    })));
+                }
+                catch (pluginError) {
+                    this.logger.error(`contextCreationDidFail hook threw: ${pluginError}`);
+                }
+                return await this.errorResponse(ensureGraphQLError(error, 'Context creation failed: '), httpGraphQLRequest);
+            }
+            return await runPotentiallyBatchedHttpQuery(this, httpGraphQLRequest, contextValue, runningServerState.schemaManager.getSchemaDerivedData(), this.internals);
+        }
+        catch (maybeError_) {
+            const maybeError = maybeError_;
+            if (maybeError instanceof GraphQLError &&
+                maybeError.extensions.code === ApolloServerErrorCode.BAD_REQUEST) {
+                try {
+                    await Promise.all(this.internals.plugins.map(async (plugin) => plugin.invalidRequestWasReceived?.({ error: maybeError })));
+                }
+                catch (pluginError) {
+                    this.logger.error(`invalidRequestWasReceived hook threw: ${pluginError}`);
+                }
+            }
+            return await this.errorResponse(maybeError, httpGraphQLRequest);
+        }
+    }
+    async errorResponse(error, requestHead) {
+        const { formattedErrors, httpFromErrors } = normalizeAndFormatErrors([error], {
+            includeStacktraceInErrorResponses: this.internals.includeStacktraceInErrorResponses,
+            formatError: this.internals.formatError,
+        });
+        return {
+            status: httpFromErrors.status ?? 500,
+            headers: new HeaderMap([
+                ...httpFromErrors.headers,
+                [
+                    'content-type',
+                    chooseContentTypeForSingleResultResponse(requestHead) ??
+                        MEDIA_TYPES.APPLICATION_JSON,
+                ],
+            ]),
+            body: {
+                kind: 'complete',
+                string: await this.internals.stringifyResult({
+                    errors: formattedErrors,
+                }),
+            },
+        };
+    }
+    prefersHTML(request) {
+        const acceptHeader = request.headers.get('accept');
+        return (request.method === 'GET' &&
+            !!acceptHeader &&
+            new Negotiator({
+                headers: { accept: acceptHeader },
+            }).mediaType([
+                MEDIA_TYPES.APPLICATION_JSON,
+                MEDIA_TYPES.APPLICATION_GRAPHQL_RESPONSE_JSON,
+                MEDIA_TYPES.MULTIPART_MIXED_EXPERIMENTAL,
+                MEDIA_TYPES.MULTIPART_MIXED_NO_DEFER_SPEC,
+                MEDIA_TYPES.TEXT_HTML,
+            ]) === MEDIA_TYPES.TEXT_HTML);
+    }
+    async executeOperation(request, options = {}) {
+        if (this.internals.state.phase === 'initialized') {
+            await this.start();
+        }
+        const schemaDerivedData = (await this._ensureStarted()).schemaManager.getSchemaDerivedData();
+        const graphQLRequest = {
+            ...request,
+            query: request.query && typeof request.query !== 'string'
+                ? print(request.query)
+                : request.query,
+        };
+        const response = await internalExecuteOperation({
+            server: this,
+            graphQLRequest,
+            internals: this.internals,
+            schemaDerivedData,
+            sharedResponseHTTPGraphQLHead: null,
+        }, options);
+        return response;
+    }
+}
+export async function internalExecuteOperation({ server, graphQLRequest, internals, schemaDerivedData, sharedResponseHTTPGraphQLHead, }, options) {
+    const requestContext = {
+        logger: server.logger,
+        cache: server.cache,
+        schema: schemaDerivedData.schema,
+        request: graphQLRequest,
+        response: {
+            http: sharedResponseHTTPGraphQLHead ?? newHTTPGraphQLHead(),
+        },
+        contextValue: cloneObject(options?.contextValue ?? {}),
+        metrics: {},
+        overallCachePolicy: newCachePolicy(),
+        requestIsBatched: sharedResponseHTTPGraphQLHead !== null,
+    };
+    try {
+        return await processGraphQLRequest(schemaDerivedData, server, internals, requestContext);
+    }
+    catch (maybeError) {
+        const error = ensureError(maybeError);
+        await Promise.all(internals.plugins.map(async (plugin) => plugin.unexpectedErrorProcessingRequest?.({
+            requestContext,
+            error,
+        })));
+        server.logger.error(`Unexpected error processing request: ${error}`);
+        throw new Error('Internal server error');
+    }
+}
+export function isImplicitlyInstallablePlugin(p) {
+    return '__internal_installed_implicitly__' in p;
+}
+export const MEDIA_TYPES = {
+    APPLICATION_JSON: 'application/json; charset=utf-8',
+    APPLICATION_JSON_GRAPHQL_CALLBACK: 'application/json; callbackSpec=1.0; charset=utf-8',
+    APPLICATION_GRAPHQL_RESPONSE_JSON: 'application/graphql-response+json; charset=utf-8',
+    MULTIPART_MIXED_NO_DEFER_SPEC: 'multipart/mixed',
+    MULTIPART_MIXED_EXPERIMENTAL: 'multipart/mixed; deferSpec=20220824',
+    TEXT_HTML: 'text/html',
+};
+export function chooseContentTypeForSingleResultResponse(head) {
+    const acceptHeader = head.headers.get('accept');
+    if (!acceptHeader) {
+        return MEDIA_TYPES.APPLICATION_JSON;
+    }
+    else {
+        const preferred = new Negotiator({
+            headers: { accept: head.headers.get('accept') },
+        }).mediaType([
+            MEDIA_TYPES.APPLICATION_JSON,
+            MEDIA_TYPES.APPLICATION_GRAPHQL_RESPONSE_JSON,
+            MEDIA_TYPES.APPLICATION_JSON_GRAPHQL_CALLBACK,
+        ]);
+        if (preferred) {
+            return preferred;
+        }
+        else {
+            return null;
+        }
+    }
+}
+function cloneObject(object) {
+    return Object.assign(Object.create(Object.getPrototypeOf(object)), object);
+}
+//# sourceMappingURL=ApolloServer.js.map