Initialisation

Added the packages and files for the backend server

node_modules/@apollo/server/dist/cjs/express4/index.d.ts

@@ -0,0 +1,14 @@
+import type { WithRequired } from '@apollo/utils.withrequired';
+import type express from 'express';
+import type { ApolloServer } from '../index.js';
+import type { BaseContext, ContextFunction } from '../externalTypes/index.js';
+export interface ExpressContextFunctionArgument {
+    req: express.Request;
+    res: express.Response;
+}
+export interface ExpressMiddlewareOptions<TContext extends BaseContext> {
+    context?: ContextFunction<[ExpressContextFunctionArgument], TContext>;
+}
+export declare function expressMiddleware(server: ApolloServer<BaseContext>, options?: ExpressMiddlewareOptions<BaseContext>): express.RequestHandler;
+export declare function expressMiddleware<TContext extends BaseContext>(server: ApolloServer<TContext>, options: WithRequired<ExpressMiddlewareOptions<TContext>, 'context'>): express.RequestHandler;
+//# sourceMappingURL=index.d.ts.map

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node_modules/@apollo/server/dist/cjs/express4/index.js

@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.expressMiddleware = void 0;
+const url_1 = require("url");
+const HeaderMap_js_1 = require("../utils/HeaderMap.js");
+function expressMiddleware(server, options) {
+    server.assertStarted('expressMiddleware()');
+    const defaultContext = async () => ({});
+    const context = options?.context ?? defaultContext;
+    return (req, res, next) => {
+        if (!req.body) {
+            res.status(500);
+            res.send('`req.body` is not set; this probably means you forgot to set up the ' +
+                '`json` middleware before the Apollo Server middleware.');
+            return;
+        }
+        const headers = new HeaderMap_js_1.HeaderMap();
+        for (const [key, value] of Object.entries(req.headers)) {
+            if (value !== undefined) {
+                headers.set(key, Array.isArray(value) ? value.join(', ') : value);
+            }
+        }
+        const httpGraphQLRequest = {
+            method: req.method.toUpperCase(),
+            headers,
+            search: (0, url_1.parse)(req.url).search ?? '',
+            body: req.body,
+        };
+        server
+            .executeHTTPGraphQLRequest({
+            httpGraphQLRequest,
+            context: () => context({ req, res }),
+        })
+            .then(async (httpGraphQLResponse) => {
+            for (const [key, value] of httpGraphQLResponse.headers) {
+                res.setHeader(key, value);
+            }
+            res.statusCode = httpGraphQLResponse.status || 200;
+            if (httpGraphQLResponse.body.kind === 'complete') {
+                res.send(httpGraphQLResponse.body.string);
+                return;
+            }
+            for await (const chunk of httpGraphQLResponse.body.asyncIterator) {
+                res.write(chunk);
+                if (typeof res.flush === 'function') {
+                    res.flush();
+                }
+            }
+            res.end();
+        })
+            .catch(next);
+    };
+}
+exports.expressMiddleware = expressMiddleware;
+//# sourceMappingURL=index.js.map

node_modules/@apollo/server/dist/cjs/express4/index.js.map

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