finally

.gitignore

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+/node_modules
+/.idea
+/.env
+/package-lock.json

.prettierrc.json

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+{
+  "tabWidth": 2,
+  "singleQuote": true,
+  "trailingComma": "es5"
+}

README.md

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+# Typescript Apollo-Express boilerplate
+
+This template will get you started developing your project faster.
+

graphql/resolvers/Auth/Auth.ts

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+import { IResolvers } from 'graphql-tools';
+
+const authResolver: IResolvers = {
+  Query: {
+    login: (): string => 'login logic...',
+  },
+};
+
+export default authResolver;

graphql/resolvers/Books/Books.ts

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+import { IResolvers } from 'graphql-tools';
+
+interface BookType {
+  id: string;
+  title: string;
+}
+
+const books = [
+  { id: '1', title: 'First Book' },
+  { id: '2', title: 'Second Book' },
+];
+
+const booksResolver: IResolvers = {
+  Query: {
+    books: (): BookType[] => books,
+  },
+};
+
+export default booksResolver;

graphql/resolvers/index.ts

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+import { IResolvers } from 'graphql-tools';
+
+import authResolver from './Auth/Auth';
+import booksResolver from './Books/Books';
+
+const resolvers: IResolvers[] = [authResolver, booksResolver];
+
+export default resolvers;

graphql/schema.ts

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+import {
+  mergeResolvers,
+  loadSchemaSync,
+  loadFilesSync,
+  GraphQLFileLoader,
+  addResolversToSchema,
+} from 'graphql-tools';
+import { GraphQLSchema } from 'graphql';
+
+const schema = loadSchemaSync(`${__dirname}/typeDefs/schema.graphql`, {
+  loaders: [new GraphQLFileLoader()],
+});
+const resolvers = loadFilesSync(`${__dirname}/resolvers`);
+const schemaWithResolvers: GraphQLSchema = addResolversToSchema({
+  schema,
+  resolvers: mergeResolvers(resolvers),
+});
+
+export default schemaWithResolvers;

graphql/typeDefs/Book.graphql

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+type Book {
+  id: String
+  title: String
+}

graphql/typeDefs/schema.graphql

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+# import Book from './Book.graphql'
+
+type Query {
+  login: String
+  books: [Book]
+}

index.ts

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+import express, { Application, Request, Response } from 'express';
+import cors from 'cors';
+import depthLimit from 'graphql-depth-limit';
+import { ApolloServer } from 'apollo-server-express';
+import schema from './graphql/schema';
+
+const PORT = process.env.PORT || 4000;
+
+const startServer = (): void => {
+  try {
+    const app: Application = express();
+
+    const server: ApolloServer = new ApolloServer({
+      schema,
+      validationRules: [depthLimit(10)],
+      playground: true,
+    });
+
+    app.use('*', cors());
+    app.get('/', (req: Request, res: Response) => res.send('GraphQL API'));
+
+    server.applyMiddleware({ app });
+
+    app.listen({ port: PORT }, () =>
+      console.log(`🚀 Server ready on port: ${PORT}`)
+    );
+  } catch (err) {
+    console.log(`❌  Something went wrong: \n ${err}`);
+  }
+};
+
+startServer();

package.json

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+{
+  "name": "ts-apollo-express-setup",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "ts-node index.ts",
+    "server": "ts-node-dev --respawn index.ts",
+    "format": "prettier --write ."
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sergeyyarkov/ts-apollo-express-setup.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/sergeyyarkov/ts-apollo-express-setup/issues"
+  },
+  "homepage": "https://github.com/sergeyyarkov/ts-apollo-express-setup#readme",
+  "devDependencies": {
+    "@types/node": "^14.6.4",
+    "prettier": "2.1.1",
+    "ts-node": "^9.0.0",
+    "ts-node-dev": "^1.0.0-pre.62",
+    "typescript": "^4.0.2"
+  },
+  "dependencies": {
+    "@types/graphql-depth-limit": "^1.1.2",
+    "apollo-server-express": "^2.17.0",
+    "concurrently": "^5.3.0",
+    "cors": "^2.8.5",
+    "dotenv": "^8.2.0",
+    "express": "^4.17.1",
+    "graphql": "^15.3.0",
+    "graphql-depth-limit": "^1.1.0",
+    "graphql-tools": "^6.2.1"
+  }
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+    /* Basic Options */
+    // "incremental": true,                   /* Enable incremental compilation */
+    "target": "es5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
+    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
+    // "lib": [],                             /* Specify library files to be included in the compilation. */
+    // "allowJs": true,                       /* Allow javascript files to be compiled. */
+    // "checkJs": true,                       /* Report errors in .js files. */
+    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    // "outDir": "./",                        /* Redirect output structure to the directory. */
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
+    // "removeComments": true,                /* Do not emit comments to output. */
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": true /* Enable all strict type-checking options. */,
+    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                       /* List of folders to include type definitions from. */
+    // "types": [],                           /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    "skipLibCheck": true /* Skip type checking of declaration files. */,
+    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
+  }
+}