Project files

receipeServer/frontend_old/node_modules/graphql/subscription/index.d.ts

@@ -0,0 +1,5 @@
+export {
+  subscribe,
+  createSourceEventStream,
+  SubscriptionArgs,
+} from './subscribe';

receipeServer/frontend_old/node_modules/graphql/subscription/index.js

@@ -0,0 +1,19 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "subscribe", {
+  enumerable: true,
+  get: function get() {
+    return _subscribe.subscribe;
+  }
+});
+Object.defineProperty(exports, "createSourceEventStream", {
+  enumerable: true,
+  get: function get() {
+    return _subscribe.createSourceEventStream;
+  }
+});
+
+var _subscribe = require("./subscribe.js");

receipeServer/frontend_old/node_modules/graphql/subscription/index.js.flow

@@ -0,0 +1,3 @@
+// @flow strict
+export { subscribe, createSourceEventStream } from './subscribe';
+export type { SubscriptionArgs } from './subscribe';

receipeServer/frontend_old/node_modules/graphql/subscription/index.mjs

@@ -0,0 +1 @@
+export { subscribe, createSourceEventStream } from "./subscribe.mjs";

receipeServer/frontend_old/node_modules/graphql/subscription/mapAsyncIterator.d.ts

@@ -0,0 +1,11 @@
+import { PromiseOrValue } from '../jsutils/PromiseOrValue';
+
+/**
+ * Given an AsyncIterable and a callback function, return an AsyncIterator
+ * which produces values mapped via calling the callback function.
+ */
+export default function mapAsyncIterator<T, U>(
+  iterable: AsyncIterable<T>,
+  callback: (arg: T) => PromiseOrValue<U>,
+  rejectCallback?: (arg: any) => PromiseOrValue<U>,
+): any; // TS_SPECIFIC: AsyncGenerator requires typescript@3.6

receipeServer/frontend_old/node_modules/graphql/subscription/mapAsyncIterator.js

@@ -0,0 +1,86 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = mapAsyncIterator;
+
+var _symbols = require("../polyfills/symbols.js");
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+/**
+ * Given an AsyncIterable and a callback function, return an AsyncIterator
+ * which produces values mapped via calling the callback function.
+ */
+function mapAsyncIterator(iterable, callback, rejectCallback) {
+  // $FlowFixMe[prop-missing]
+  var iteratorMethod = iterable[_symbols.SYMBOL_ASYNC_ITERATOR];
+  var iterator = iteratorMethod.call(iterable);
+  var $return;
+  var abruptClose;
+
+  if (typeof iterator.return === 'function') {
+    $return = iterator.return;
+
+    abruptClose = function abruptClose(error) {
+      var rethrow = function rethrow() {
+        return Promise.reject(error);
+      };
+
+      return $return.call(iterator).then(rethrow, rethrow);
+    };
+  }
+
+  function mapResult(result) {
+    return result.done ? result : asyncMapValue(result.value, callback).then(iteratorResult, abruptClose);
+  }
+
+  var mapReject;
+
+  if (rejectCallback) {
+    // Capture rejectCallback to ensure it cannot be null.
+    var reject = rejectCallback;
+
+    mapReject = function mapReject(error) {
+      return asyncMapValue(error, reject).then(iteratorResult, abruptClose);
+    };
+  }
+  /* TODO: Flow doesn't support symbols as keys:
+     https://github.com/facebook/flow/issues/3258 */
+
+
+  return _defineProperty({
+    next: function next() {
+      return iterator.next().then(mapResult, mapReject);
+    },
+    return: function _return() {
+      return $return ? $return.call(iterator).then(mapResult, mapReject) : Promise.resolve({
+        value: undefined,
+        done: true
+      });
+    },
+    throw: function _throw(error) {
+      if (typeof iterator.throw === 'function') {
+        return iterator.throw(error).then(mapResult, mapReject);
+      }
+
+      return Promise.reject(error).catch(abruptClose);
+    }
+  }, _symbols.SYMBOL_ASYNC_ITERATOR, function () {
+    return this;
+  });
+}
+
+function asyncMapValue(value, callback) {
+  return new Promise(function (resolve) {
+    return resolve(callback(value));
+  });
+}
+
+function iteratorResult(value) {
+  return {
+    value: value,
+    done: false
+  };
+}

receipeServer/frontend_old/node_modules/graphql/subscription/mapAsyncIterator.js.flow

@@ -0,0 +1,74 @@
+// @flow strict
+import { SYMBOL_ASYNC_ITERATOR } from '../polyfills/symbols';
+
+import type { PromiseOrValue } from '../jsutils/PromiseOrValue';
+
+/**
+ * Given an AsyncIterable and a callback function, return an AsyncIterator
+ * which produces values mapped via calling the callback function.
+ */
+export default function mapAsyncIterator<T, U>(
+  iterable: AsyncIterable<T> | AsyncGenerator<T, void, void>,
+  callback: (T) => PromiseOrValue<U>,
+  rejectCallback?: (any) => PromiseOrValue<U>,
+): AsyncGenerator<U, void, void> {
+  // $FlowFixMe[prop-missing]
+  const iteratorMethod = iterable[SYMBOL_ASYNC_ITERATOR];
+  const iterator: any = iteratorMethod.call(iterable);
+  let $return: any;
+  let abruptClose;
+  if (typeof iterator.return === 'function') {
+    $return = iterator.return;
+    abruptClose = (error: mixed) => {
+      const rethrow = () => Promise.reject(error);
+      return $return.call(iterator).then(rethrow, rethrow);
+    };
+  }
+
+  function mapResult(result: IteratorResult<T, void>) {
+    return result.done
+      ? result
+      : asyncMapValue(result.value, callback).then(iteratorResult, abruptClose);
+  }
+
+  let mapReject;
+  if (rejectCallback) {
+    // Capture rejectCallback to ensure it cannot be null.
+    const reject = rejectCallback;
+    mapReject = (error: mixed) =>
+      asyncMapValue(error, reject).then(iteratorResult, abruptClose);
+  }
+
+  /* TODO: Flow doesn't support symbols as keys:
+     https://github.com/facebook/flow/issues/3258 */
+  return ({
+    next(): Promise<IteratorResult<U, void>> {
+      return iterator.next().then(mapResult, mapReject);
+    },
+    return() {
+      return $return
+        ? $return.call(iterator).then(mapResult, mapReject)
+        : Promise.resolve({ value: undefined, done: true });
+    },
+    throw(error?: mixed): Promise<IteratorResult<U, void>> {
+      if (typeof iterator.throw === 'function') {
+        return iterator.throw(error).then(mapResult, mapReject);
+      }
+      return Promise.reject(error).catch(abruptClose);
+    },
+    [SYMBOL_ASYNC_ITERATOR]() {
+      return this;
+    },
+  }: $FlowFixMe);
+}
+
+function asyncMapValue<T, U>(
+  value: T,
+  callback: (T) => PromiseOrValue<U>,
+): Promise<U> {
+  return new Promise((resolve) => resolve(callback(value)));
+}
+
+function iteratorResult<T>(value: T): IteratorResult<T, void> {
+  return { value, done: false };
+}

receipeServer/frontend_old/node_modules/graphql/subscription/mapAsyncIterator.mjs

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+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+import { SYMBOL_ASYNC_ITERATOR } from "../polyfills/symbols.mjs";
+
+/**
+ * Given an AsyncIterable and a callback function, return an AsyncIterator
+ * which produces values mapped via calling the callback function.
+ */
+export default function mapAsyncIterator(iterable, callback, rejectCallback) {
+  // $FlowFixMe[prop-missing]
+  var iteratorMethod = iterable[SYMBOL_ASYNC_ITERATOR];
+  var iterator = iteratorMethod.call(iterable);
+  var $return;
+  var abruptClose;
+
+  if (typeof iterator.return === 'function') {
+    $return = iterator.return;
+
+    abruptClose = function abruptClose(error) {
+      var rethrow = function rethrow() {
+        return Promise.reject(error);
+      };
+
+      return $return.call(iterator).then(rethrow, rethrow);
+    };
+  }
+
+  function mapResult(result) {
+    return result.done ? result : asyncMapValue(result.value, callback).then(iteratorResult, abruptClose);
+  }
+
+  var mapReject;
+
+  if (rejectCallback) {
+    // Capture rejectCallback to ensure it cannot be null.
+    var reject = rejectCallback;
+
+    mapReject = function mapReject(error) {
+      return asyncMapValue(error, reject).then(iteratorResult, abruptClose);
+    };
+  }
+  /* TODO: Flow doesn't support symbols as keys:
+     https://github.com/facebook/flow/issues/3258 */
+
+
+  return _defineProperty({
+    next: function next() {
+      return iterator.next().then(mapResult, mapReject);
+    },
+    return: function _return() {
+      return $return ? $return.call(iterator).then(mapResult, mapReject) : Promise.resolve({
+        value: undefined,
+        done: true
+      });
+    },
+    throw: function _throw(error) {
+      if (typeof iterator.throw === 'function') {
+        return iterator.throw(error).then(mapResult, mapReject);
+      }
+
+      return Promise.reject(error).catch(abruptClose);
+    }
+  }, SYMBOL_ASYNC_ITERATOR, function () {
+    return this;
+  });
+}
+
+function asyncMapValue(value, callback) {
+  return new Promise(function (resolve) {
+    return resolve(callback(value));
+  });
+}
+
+function iteratorResult(value) {
+  return {
+    value: value,
+    done: false
+  };
+}

receipeServer/frontend_old/node_modules/graphql/subscription/subscribe.d.ts

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+import { Maybe } from '../jsutils/Maybe';
+
+import { DocumentNode } from '../language/ast';
+import { ExecutionResult } from '../execution/execute';
+import { GraphQLSchema } from '../type/schema';
+import { GraphQLFieldResolver } from '../type/definition';
+
+export interface SubscriptionArgs {
+  schema: GraphQLSchema;
+  document: DocumentNode;
+  rootValue?: any;
+  contextValue?: any;
+  variableValues?: Maybe<Record<string, any>>;
+  operationName?: Maybe<string>;
+  fieldResolver?: Maybe<GraphQLFieldResolver<any, any>>;
+  subscribeFieldResolver?: Maybe<GraphQLFieldResolver<any, any>>;
+}
+
+/**
+ * Implements the "Subscribe" algorithm described in the GraphQL specification.
+ *
+ * Returns a Promise which resolves to either an AsyncIterator (if successful)
+ * or an ExecutionResult (client error). The promise will be rejected if a
+ * server error occurs.
+ *
+ * If the client-provided arguments to this function do not result in a
+ * compliant subscription, a GraphQL Response (ExecutionResult) with
+ * descriptive errors and no data will be returned.
+ *
+ * If the the source stream could not be created due to faulty subscription
+ * resolver logic or underlying systems, the promise will resolve to a single
+ * ExecutionResult containing `errors` and no `data`.
+ *
+ * If the operation succeeded, the promise resolves to an AsyncIterator, which
+ * yields a stream of ExecutionResults representing the response stream.
+ *
+ * Accepts either an object with named arguments, or individual arguments.
+ */
+export function subscribe(
+  args: SubscriptionArgs,
+): Promise<AsyncIterableIterator<ExecutionResult> | ExecutionResult>;
+
+export function subscribe(
+  schema: GraphQLSchema,
+  document: DocumentNode,
+  rootValue?: any,
+  contextValue?: any,
+  variableValues?: Maybe<{ [key: string]: any }>,
+  operationName?: Maybe<string>,
+  fieldResolver?: Maybe<GraphQLFieldResolver<any, any>>,
+  subscribeFieldResolver?: Maybe<GraphQLFieldResolver<any, any>>,
+): Promise<AsyncIterableIterator<ExecutionResult> | ExecutionResult>;
+
+/**
+ * Implements the "CreateSourceEventStream" algorithm described in the
+ * GraphQL specification, resolving the subscription source event stream.
+ *
+ * Returns a Promise<AsyncIterable>.
+ *
+ * If the client-provided invalid arguments, the source stream could not be
+ * created, or the resolver did not return an AsyncIterable, this function will
+ * will throw an error, which should be caught and handled by the caller.
+ *
+ * A Source Event Stream represents a sequence of events, each of which triggers
+ * a GraphQL execution for that event.
+ *
+ * This may be useful when hosting the stateful subscription service in a
+ * different process or machine than the stateless GraphQL execution engine,
+ * or otherwise separating these two steps. For more on this, see the
+ * "Supporting Subscriptions at Scale" information in the GraphQL specification.
+ */
+export function createSourceEventStream(
+  schema: GraphQLSchema,
+  document: DocumentNode,
+  rootValue?: any,
+  contextValue?: any,
+  variableValues?: { [key: string]: any },
+  operationName?: Maybe<string>,
+  fieldResolver?: Maybe<GraphQLFieldResolver<any, any>>,
+): Promise<AsyncIterable<any> | ExecutionResult>;

receipeServer/frontend_old/node_modules/graphql/subscription/subscribe.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.subscribe = subscribe;
+exports.createSourceEventStream = createSourceEventStream;
+
+var _inspect = _interopRequireDefault(require("../jsutils/inspect.js"));
+
+var _isAsyncIterable = _interopRequireDefault(require("../jsutils/isAsyncIterable.js"));
+
+var _Path = require("../jsutils/Path.js");
+
+var _GraphQLError = require("../error/GraphQLError.js");
+
+var _locatedError = require("../error/locatedError.js");
+
+var _values = require("../execution/values.js");
+
+var _execute = require("../execution/execute.js");
+
+var _getOperationRootType = require("../utilities/getOperationRootType.js");
+
+var _mapAsyncIterator = _interopRequireDefault(require("./mapAsyncIterator.js"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function subscribe(argsOrSchema, document, rootValue, contextValue, variableValues, operationName, fieldResolver, subscribeFieldResolver) {
+  /* eslint-enable no-redeclare */
+  // Extract arguments from object args if provided.
+  return arguments.length === 1 ? subscribeImpl(argsOrSchema) : subscribeImpl({
+    schema: argsOrSchema,
+    document: document,
+    rootValue: rootValue,
+    contextValue: contextValue,
+    variableValues: variableValues,
+    operationName: operationName,
+    fieldResolver: fieldResolver,
+    subscribeFieldResolver: subscribeFieldResolver
+  });
+}
+/**
+ * This function checks if the error is a GraphQLError. If it is, report it as
+ * an ExecutionResult, containing only errors and no data. Otherwise treat the
+ * error as a system-class error and re-throw it.
+ */
+
+
+function reportGraphQLError(error) {
+  if (error instanceof _GraphQLError.GraphQLError) {
+    return {
+      errors: [error]
+    };
+  }
+
+  throw error;
+}
+
+function subscribeImpl(args) {
+  var schema = args.schema,
+      document = args.document,
+      rootValue = args.rootValue,
+      contextValue = args.contextValue,
+      variableValues = args.variableValues,
+      operationName = args.operationName,
+      fieldResolver = args.fieldResolver,
+      subscribeFieldResolver = args.subscribeFieldResolver;
+  var sourcePromise = createSourceEventStream(schema, document, rootValue, contextValue, variableValues, operationName, subscribeFieldResolver); // For each payload yielded from a subscription, map it over the normal
+  // GraphQL `execute` function, with `payload` as the rootValue.
+  // This implements the "MapSourceToResponseEvent" algorithm described in
+  // the GraphQL specification. The `execute` function provides the
+  // "ExecuteSubscriptionEvent" algorithm, as it is nearly identical to the
+  // "ExecuteQuery" algorithm, for which `execute` is also used.
+
+  var mapSourceToResponse = function mapSourceToResponse(payload) {
+    return (0, _execute.execute)({
+      schema: schema,
+      document: document,
+      rootValue: payload,
+      contextValue: contextValue,
+      variableValues: variableValues,
+      operationName: operationName,
+      fieldResolver: fieldResolver
+    });
+  }; // Resolve the Source Stream, then map every source value to a
+  // ExecutionResult value as described above.
+
+
+  return sourcePromise.then(function (resultOrStream) {
+    return (// Note: Flow can't refine isAsyncIterable, so explicit casts are used.
+      (0, _isAsyncIterable.default)(resultOrStream) ? (0, _mapAsyncIterator.default)(resultOrStream, mapSourceToResponse, reportGraphQLError) : resultOrStream
+    );
+  });
+}
+/**
+ * Implements the "CreateSourceEventStream" algorithm described in the
+ * GraphQL specification, resolving the subscription source event stream.
+ *
+ * Returns a Promise which resolves to either an AsyncIterable (if successful)
+ * or an ExecutionResult (error). The promise will be rejected if the schema or
+ * other arguments to this function are invalid, or if the resolved event stream
+ * is not an async iterable.
+ *
+ * If the client-provided arguments to this function do not result in a
+ * compliant subscription, a GraphQL Response (ExecutionResult) with
+ * descriptive errors and no data will be returned.
+ *
+ * If the the source stream could not be created due to faulty subscription
+ * resolver logic or underlying systems, the promise will resolve to a single
+ * ExecutionResult containing `errors` and no `data`.
+ *
+ * If the operation succeeded, the promise resolves to the AsyncIterable for the
+ * event stream returned by the resolver.
+ *
+ * A Source Event Stream represents a sequence of events, each of which triggers
+ * a GraphQL execution for that event.
+ *
+ * This may be useful when hosting the stateful subscription service in a
+ * different process or machine than the stateless GraphQL execution engine,
+ * or otherwise separating these two steps. For more on this, see the
+ * "Supporting Subscriptions at Scale" information in the GraphQL specification.
+ */
+
+
+function createSourceEventStream(schema, document, rootValue, contextValue, variableValues, operationName, fieldResolver) {
+  // If arguments are missing or incorrectly typed, this is an internal
+  // developer mistake which should throw an early error.
+  (0, _execute.assertValidExecutionArguments)(schema, document, variableValues);
+  return new Promise(function (resolve) {
+    // If a valid context cannot be created due to incorrect arguments,
+    // this will throw an error.
+    var exeContext = (0, _execute.buildExecutionContext)(schema, document, rootValue, contextValue, variableValues, operationName, fieldResolver);
+    resolve( // Return early errors if execution context failed.
+    Array.isArray(exeContext) ? {
+      errors: exeContext
+    } : executeSubscription(exeContext));
+  }).catch(reportGraphQLError);
+}
+
+function executeSubscription(exeContext) {
+  var schema = exeContext.schema,
+      operation = exeContext.operation,
+      variableValues = exeContext.variableValues,
+      rootValue = exeContext.rootValue;
+  var type = (0, _getOperationRootType.getOperationRootType)(schema, operation);
+  var fields = (0, _execute.collectFields)(exeContext, type, operation.selectionSet, Object.create(null), Object.create(null));
+  var responseNames = Object.keys(fields);
+  var responseName = responseNames[0];
+  var fieldNodes = fields[responseName];
+  var fieldNode = fieldNodes[0];
+  var fieldName = fieldNode.name.value;
+  var fieldDef = (0, _execute.getFieldDef)(schema, type, fieldName);
+
+  if (!fieldDef) {
+    throw new _GraphQLError.GraphQLError("The subscription field \"".concat(fieldName, "\" is not defined."), fieldNodes);
+  }
+
+  var path = (0, _Path.addPath)(undefined, responseName, type.name);
+  var info = (0, _execute.buildResolveInfo)(exeContext, fieldDef, fieldNodes, type, path); // Coerce to Promise for easier error handling and consistent return type.
+
+  return new Promise(function (resolveResult) {
+    var _fieldDef$subscribe;
+
+    // Implements the "ResolveFieldEventStream" algorithm from GraphQL specification.
+    // It differs from "ResolveFieldValue" due to providing a different `resolveFn`.
+    // Build a JS object of arguments from the field.arguments AST, using the
+    // variables scope to fulfill any variable references.
+    var args = (0, _values.getArgumentValues)(fieldDef, fieldNodes[0], variableValues); // The resolve function's optional third argument is a context value that
+    // is provided to every resolve function within an execution. It is commonly
+    // used to represent an authenticated user, or request-specific caches.
+
+    var contextValue = exeContext.contextValue; // Call the `subscribe()` resolver or the default resolver to produce an
+    // AsyncIterable yielding raw payloads.
+
+    var resolveFn = (_fieldDef$subscribe = fieldDef.subscribe) !== null && _fieldDef$subscribe !== void 0 ? _fieldDef$subscribe : exeContext.fieldResolver;
+    resolveResult(resolveFn(rootValue, args, contextValue, info));
+  }).then(function (eventStream) {
+    if (eventStream instanceof Error) {
+      throw (0, _locatedError.locatedError)(eventStream, fieldNodes, (0, _Path.pathToArray)(path));
+    } // Assert field returned an event stream, otherwise yield an error.
+
+
+    if (!(0, _isAsyncIterable.default)(eventStream)) {
+      throw new Error('Subscription field must return Async Iterable. ' + "Received: ".concat((0, _inspect.default)(eventStream), "."));
+    }
+
+    return eventStream;
+  }, function (error) {
+    throw (0, _locatedError.locatedError)(error, fieldNodes, (0, _Path.pathToArray)(path));
+  });
+}

receipeServer/frontend_old/node_modules/graphql/subscription/subscribe.js.flow

@@ -0,0 +1,298 @@
+// @flow strict
+import inspect from '../jsutils/inspect';
+import isAsyncIterable from '../jsutils/isAsyncIterable';
+import { addPath, pathToArray } from '../jsutils/Path';
+
+import { GraphQLError } from '../error/GraphQLError';
+import { locatedError } from '../error/locatedError';
+
+import type { DocumentNode } from '../language/ast';
+
+import type { ExecutionResult, ExecutionContext } from '../execution/execute';
+import { getArgumentValues } from '../execution/values';
+import {
+  assertValidExecutionArguments,
+  buildExecutionContext,
+  buildResolveInfo,
+  collectFields,
+  execute,
+  getFieldDef,
+} from '../execution/execute';
+
+import type { GraphQLSchema } from '../type/schema';
+import type { GraphQLFieldResolver } from '../type/definition';
+
+import { getOperationRootType } from '../utilities/getOperationRootType';
+
+import mapAsyncIterator from './mapAsyncIterator';
+
+export type SubscriptionArgs = {|
+  schema: GraphQLSchema,
+  document: DocumentNode,
+  rootValue?: mixed,
+  contextValue?: mixed,
+  variableValues?: ?{ +[variable: string]: mixed, ... },
+  operationName?: ?string,
+  fieldResolver?: ?GraphQLFieldResolver<any, any>,
+  subscribeFieldResolver?: ?GraphQLFieldResolver<any, any>,
+|};
+
+/**
+ * Implements the "Subscribe" algorithm described in the GraphQL specification.
+ *
+ * Returns a Promise which resolves to either an AsyncIterator (if successful)
+ * or an ExecutionResult (error). The promise will be rejected if the schema or
+ * other arguments to this function are invalid, or if the resolved event stream
+ * is not an async iterable.
+ *
+ * If the client-provided arguments to this function do not result in a
+ * compliant subscription, a GraphQL Response (ExecutionResult) with
+ * descriptive errors and no data will be returned.
+ *
+ * If the source stream could not be created due to faulty subscription
+ * resolver logic or underlying systems, the promise will resolve to a single
+ * ExecutionResult containing `errors` and no `data`.
+ *
+ * If the operation succeeded, the promise resolves to an AsyncIterator, which
+ * yields a stream of ExecutionResults representing the response stream.
+ *
+ * Accepts either an object with named arguments, or individual arguments.
+ */
+declare function subscribe(
+  SubscriptionArgs,
+  ..._: []
+): Promise<AsyncGenerator<ExecutionResult, void, void> | ExecutionResult>;
+/* eslint-disable no-redeclare */
+declare function subscribe(
+  schema: GraphQLSchema,
+  document: DocumentNode,
+  rootValue?: mixed,
+  contextValue?: mixed,
+  variableValues?: ?{ +[variable: string]: mixed, ... },
+  operationName?: ?string,
+  fieldResolver?: ?GraphQLFieldResolver<any, any>,
+  subscribeFieldResolver?: ?GraphQLFieldResolver<any, any>,
+): Promise<AsyncIterator<ExecutionResult> | ExecutionResult>;
+export function subscribe(
+  argsOrSchema,
+  document,
+  rootValue,
+  contextValue,
+  variableValues,
+  operationName,
+  fieldResolver,
+  subscribeFieldResolver,
+) {
+  /* eslint-enable no-redeclare */
+  // Extract arguments from object args if provided.
+  return arguments.length === 1
+    ? subscribeImpl(argsOrSchema)
+    : subscribeImpl({
+        schema: argsOrSchema,
+        document,
+        rootValue,
+        contextValue,
+        variableValues,
+        operationName,
+        fieldResolver,
+        subscribeFieldResolver,
+      });
+}
+
+/**
+ * This function checks if the error is a GraphQLError. If it is, report it as
+ * an ExecutionResult, containing only errors and no data. Otherwise treat the
+ * error as a system-class error and re-throw it.
+ */
+function reportGraphQLError(error: mixed): ExecutionResult {
+  if (error instanceof GraphQLError) {
+    return { errors: [error] };
+  }
+  throw error;
+}
+
+function subscribeImpl(
+  args: SubscriptionArgs,
+): Promise<AsyncGenerator<ExecutionResult, void, void> | ExecutionResult> {
+  const {
+    schema,
+    document,
+    rootValue,
+    contextValue,
+    variableValues,
+    operationName,
+    fieldResolver,
+    subscribeFieldResolver,
+  } = args;
+
+  const sourcePromise = createSourceEventStream(
+    schema,
+    document,
+    rootValue,
+    contextValue,
+    variableValues,
+    operationName,
+    subscribeFieldResolver,
+  );
+
+  // For each payload yielded from a subscription, map it over the normal
+  // GraphQL `execute` function, with `payload` as the rootValue.
+  // This implements the "MapSourceToResponseEvent" algorithm described in
+  // the GraphQL specification. The `execute` function provides the
+  // "ExecuteSubscriptionEvent" algorithm, as it is nearly identical to the
+  // "ExecuteQuery" algorithm, for which `execute` is also used.
+  const mapSourceToResponse = (payload) =>
+    execute({
+      schema,
+      document,
+      rootValue: payload,
+      contextValue,
+      variableValues,
+      operationName,
+      fieldResolver,
+    });
+
+  // Resolve the Source Stream, then map every source value to a
+  // ExecutionResult value as described above.
+  return sourcePromise.then((resultOrStream) =>
+    // Note: Flow can't refine isAsyncIterable, so explicit casts are used.
+    isAsyncIterable(resultOrStream)
+      ? mapAsyncIterator(
+          resultOrStream,
+          mapSourceToResponse,
+          reportGraphQLError,
+        )
+      : ((resultOrStream: any): ExecutionResult),
+  );
+}
+
+/**
+ * Implements the "CreateSourceEventStream" algorithm described in the
+ * GraphQL specification, resolving the subscription source event stream.
+ *
+ * Returns a Promise which resolves to either an AsyncIterable (if successful)
+ * or an ExecutionResult (error). The promise will be rejected if the schema or
+ * other arguments to this function are invalid, or if the resolved event stream
+ * is not an async iterable.
+ *
+ * If the client-provided arguments to this function do not result in a
+ * compliant subscription, a GraphQL Response (ExecutionResult) with
+ * descriptive errors and no data will be returned.
+ *
+ * If the the source stream could not be created due to faulty subscription
+ * resolver logic or underlying systems, the promise will resolve to a single
+ * ExecutionResult containing `errors` and no `data`.
+ *
+ * If the operation succeeded, the promise resolves to the AsyncIterable for the
+ * event stream returned by the resolver.
+ *
+ * A Source Event Stream represents a sequence of events, each of which triggers
+ * a GraphQL execution for that event.
+ *
+ * This may be useful when hosting the stateful subscription service in a
+ * different process or machine than the stateless GraphQL execution engine,
+ * or otherwise separating these two steps. For more on this, see the
+ * "Supporting Subscriptions at Scale" information in the GraphQL specification.
+ */
+export function createSourceEventStream(
+  schema: GraphQLSchema,
+  document: DocumentNode,
+  rootValue?: mixed,
+  contextValue?: mixed,
+  variableValues?: ?{ +[variable: string]: mixed, ... },
+  operationName?: ?string,
+  fieldResolver?: ?GraphQLFieldResolver<any, any>,
+): Promise<AsyncIterable<mixed> | ExecutionResult> {
+  // If arguments are missing or incorrectly typed, this is an internal
+  // developer mistake which should throw an early error.
+  assertValidExecutionArguments(schema, document, variableValues);
+
+  return new Promise((resolve) => {
+    // If a valid context cannot be created due to incorrect arguments,
+    // this will throw an error.
+    const exeContext = buildExecutionContext(
+      schema,
+      document,
+      rootValue,
+      contextValue,
+      variableValues,
+      operationName,
+      fieldResolver,
+    );
+
+    resolve(
+      // Return early errors if execution context failed.
+      Array.isArray(exeContext)
+        ? { errors: exeContext }
+        : executeSubscription(exeContext),
+    );
+  }).catch(reportGraphQLError);
+}
+
+function executeSubscription(
+  exeContext: ExecutionContext,
+): Promise<AsyncIterable<mixed>> {
+  const { schema, operation, variableValues, rootValue } = exeContext;
+  const type = getOperationRootType(schema, operation);
+  const fields = collectFields(
+    exeContext,
+    type,
+    operation.selectionSet,
+    Object.create(null),
+    Object.create(null),
+  );
+  const responseNames = Object.keys(fields);
+  const responseName = responseNames[0];
+  const fieldNodes = fields[responseName];
+  const fieldNode = fieldNodes[0];
+  const fieldName = fieldNode.name.value;
+  const fieldDef = getFieldDef(schema, type, fieldName);
+
+  if (!fieldDef) {
+    throw new GraphQLError(
+      `The subscription field "${fieldName}" is not defined.`,
+      fieldNodes,
+    );
+  }
+
+  const path = addPath(undefined, responseName, type.name);
+  const info = buildResolveInfo(exeContext, fieldDef, fieldNodes, type, path);
+
+  // Coerce to Promise for easier error handling and consistent return type.
+  return new Promise((resolveResult) => {
+    // Implements the "ResolveFieldEventStream" algorithm from GraphQL specification.
+    // It differs from "ResolveFieldValue" due to providing a different `resolveFn`.
+
+    // Build a JS object of arguments from the field.arguments AST, using the
+    // variables scope to fulfill any variable references.
+    const args = getArgumentValues(fieldDef, fieldNodes[0], variableValues);
+
+    // The resolve function's optional third argument is a context value that
+    // is provided to every resolve function within an execution. It is commonly
+    // used to represent an authenticated user, or request-specific caches.
+    const contextValue = exeContext.contextValue;
+
+    // Call the `subscribe()` resolver or the default resolver to produce an
+    // AsyncIterable yielding raw payloads.
+    const resolveFn = fieldDef.subscribe ?? exeContext.fieldResolver;
+    resolveResult(resolveFn(rootValue, args, contextValue, info));
+  }).then(
+    (eventStream) => {
+      if (eventStream instanceof Error) {
+        throw locatedError(eventStream, fieldNodes, pathToArray(path));
+      }
+
+      // Assert field returned an event stream, otherwise yield an error.
+      if (!isAsyncIterable(eventStream)) {
+        throw new Error(
+          'Subscription field must return Async Iterable. ' +
+            `Received: ${inspect(eventStream)}.`,
+        );
+      }
+      return eventStream;
+    },
+    (error) => {
+      throw locatedError(error, fieldNodes, pathToArray(path));
+    },
+  );
+}

receipeServer/frontend_old/node_modules/graphql/subscription/subscribe.mjs

@@ -0,0 +1,172 @@
+import inspect from "../jsutils/inspect.mjs";
+import isAsyncIterable from "../jsutils/isAsyncIterable.mjs";
+import { addPath, pathToArray } from "../jsutils/Path.mjs";
+import { GraphQLError } from "../error/GraphQLError.mjs";
+import { locatedError } from "../error/locatedError.mjs";
+import { getArgumentValues } from "../execution/values.mjs";
+import { assertValidExecutionArguments, buildExecutionContext, buildResolveInfo, collectFields, execute, getFieldDef } from "../execution/execute.mjs";
+import { getOperationRootType } from "../utilities/getOperationRootType.mjs";
+import mapAsyncIterator from "./mapAsyncIterator.mjs";
+export function subscribe(argsOrSchema, document, rootValue, contextValue, variableValues, operationName, fieldResolver, subscribeFieldResolver) {
+  /* eslint-enable no-redeclare */
+  // Extract arguments from object args if provided.
+  return arguments.length === 1 ? subscribeImpl(argsOrSchema) : subscribeImpl({
+    schema: argsOrSchema,
+    document: document,
+    rootValue: rootValue,
+    contextValue: contextValue,
+    variableValues: variableValues,
+    operationName: operationName,
+    fieldResolver: fieldResolver,
+    subscribeFieldResolver: subscribeFieldResolver
+  });
+}
+/**
+ * This function checks if the error is a GraphQLError. If it is, report it as
+ * an ExecutionResult, containing only errors and no data. Otherwise treat the
+ * error as a system-class error and re-throw it.
+ */
+
+function reportGraphQLError(error) {
+  if (error instanceof GraphQLError) {
+    return {
+      errors: [error]
+    };
+  }
+
+  throw error;
+}
+
+function subscribeImpl(args) {
+  var schema = args.schema,
+      document = args.document,
+      rootValue = args.rootValue,
+      contextValue = args.contextValue,
+      variableValues = args.variableValues,
+      operationName = args.operationName,
+      fieldResolver = args.fieldResolver,
+      subscribeFieldResolver = args.subscribeFieldResolver;
+  var sourcePromise = createSourceEventStream(schema, document, rootValue, contextValue, variableValues, operationName, subscribeFieldResolver); // For each payload yielded from a subscription, map it over the normal
+  // GraphQL `execute` function, with `payload` as the rootValue.
+  // This implements the "MapSourceToResponseEvent" algorithm described in
+  // the GraphQL specification. The `execute` function provides the
+  // "ExecuteSubscriptionEvent" algorithm, as it is nearly identical to the
+  // "ExecuteQuery" algorithm, for which `execute` is also used.
+
+  var mapSourceToResponse = function mapSourceToResponse(payload) {
+    return execute({
+      schema: schema,
+      document: document,
+      rootValue: payload,
+      contextValue: contextValue,
+      variableValues: variableValues,
+      operationName: operationName,
+      fieldResolver: fieldResolver
+    });
+  }; // Resolve the Source Stream, then map every source value to a
+  // ExecutionResult value as described above.
+
+
+  return sourcePromise.then(function (resultOrStream) {
+    return (// Note: Flow can't refine isAsyncIterable, so explicit casts are used.
+      isAsyncIterable(resultOrStream) ? mapAsyncIterator(resultOrStream, mapSourceToResponse, reportGraphQLError) : resultOrStream
+    );
+  });
+}
+/**
+ * Implements the "CreateSourceEventStream" algorithm described in the
+ * GraphQL specification, resolving the subscription source event stream.
+ *
+ * Returns a Promise which resolves to either an AsyncIterable (if successful)
+ * or an ExecutionResult (error). The promise will be rejected if the schema or
+ * other arguments to this function are invalid, or if the resolved event stream
+ * is not an async iterable.
+ *
+ * If the client-provided arguments to this function do not result in a
+ * compliant subscription, a GraphQL Response (ExecutionResult) with
+ * descriptive errors and no data will be returned.
+ *
+ * If the the source stream could not be created due to faulty subscription
+ * resolver logic or underlying systems, the promise will resolve to a single
+ * ExecutionResult containing `errors` and no `data`.
+ *
+ * If the operation succeeded, the promise resolves to the AsyncIterable for the
+ * event stream returned by the resolver.
+ *
+ * A Source Event Stream represents a sequence of events, each of which triggers
+ * a GraphQL execution for that event.
+ *
+ * This may be useful when hosting the stateful subscription service in a
+ * different process or machine than the stateless GraphQL execution engine,
+ * or otherwise separating these two steps. For more on this, see the
+ * "Supporting Subscriptions at Scale" information in the GraphQL specification.
+ */
+
+
+export function createSourceEventStream(schema, document, rootValue, contextValue, variableValues, operationName, fieldResolver) {
+  // If arguments are missing or incorrectly typed, this is an internal
+  // developer mistake which should throw an early error.
+  assertValidExecutionArguments(schema, document, variableValues);
+  return new Promise(function (resolve) {
+    // If a valid context cannot be created due to incorrect arguments,
+    // this will throw an error.
+    var exeContext = buildExecutionContext(schema, document, rootValue, contextValue, variableValues, operationName, fieldResolver);
+    resolve( // Return early errors if execution context failed.
+    Array.isArray(exeContext) ? {
+      errors: exeContext
+    } : executeSubscription(exeContext));
+  }).catch(reportGraphQLError);
+}
+
+function executeSubscription(exeContext) {
+  var schema = exeContext.schema,
+      operation = exeContext.operation,
+      variableValues = exeContext.variableValues,
+      rootValue = exeContext.rootValue;
+  var type = getOperationRootType(schema, operation);
+  var fields = collectFields(exeContext, type, operation.selectionSet, Object.create(null), Object.create(null));
+  var responseNames = Object.keys(fields);
+  var responseName = responseNames[0];
+  var fieldNodes = fields[responseName];
+  var fieldNode = fieldNodes[0];
+  var fieldName = fieldNode.name.value;
+  var fieldDef = getFieldDef(schema, type, fieldName);
+
+  if (!fieldDef) {
+    throw new GraphQLError("The subscription field \"".concat(fieldName, "\" is not defined."), fieldNodes);
+  }
+
+  var path = addPath(undefined, responseName, type.name);
+  var info = buildResolveInfo(exeContext, fieldDef, fieldNodes, type, path); // Coerce to Promise for easier error handling and consistent return type.
+
+  return new Promise(function (resolveResult) {
+    var _fieldDef$subscribe;
+
+    // Implements the "ResolveFieldEventStream" algorithm from GraphQL specification.
+    // It differs from "ResolveFieldValue" due to providing a different `resolveFn`.
+    // Build a JS object of arguments from the field.arguments AST, using the
+    // variables scope to fulfill any variable references.
+    var args = getArgumentValues(fieldDef, fieldNodes[0], variableValues); // The resolve function's optional third argument is a context value that
+    // is provided to every resolve function within an execution. It is commonly
+    // used to represent an authenticated user, or request-specific caches.
+
+    var contextValue = exeContext.contextValue; // Call the `subscribe()` resolver or the default resolver to produce an
+    // AsyncIterable yielding raw payloads.
+
+    var resolveFn = (_fieldDef$subscribe = fieldDef.subscribe) !== null && _fieldDef$subscribe !== void 0 ? _fieldDef$subscribe : exeContext.fieldResolver;
+    resolveResult(resolveFn(rootValue, args, contextValue, info));
+  }).then(function (eventStream) {
+    if (eventStream instanceof Error) {
+      throw locatedError(eventStream, fieldNodes, pathToArray(path));
+    } // Assert field returned an event stream, otherwise yield an error.
+
+
+    if (!isAsyncIterable(eventStream)) {
+      throw new Error('Subscription field must return Async Iterable. ' + "Received: ".concat(inspect(eventStream), "."));
+    }
+
+    return eventStream;
+  }, function (error) {
+    throw locatedError(error, fieldNodes, pathToArray(path));
+  });
+}