Added lambda examples (#232)

* added lambda examples

* added cloudflare workers example

Author: dotansimha

.changeset/config.json

@@ -7,6 +7,7 @@
   "baseBranch": "main",
   "updateInternalDependencies": "patch",
   "ignore": [
+    "@envelop-examples/*",
     "@envelop/testing",
     "@envelop-examples/graphql-ws",
     "@envelop-examples/apollo-server",

examples/apollo-server/package.json

@@ -7,13 +7,13 @@
   "license": "MIT",
   "dependencies": {
     "@envelop/core": "*",
-    "apollo-server": "2.21.2",
-    "@graphql-tools/schema": "7.1.3"
+    "apollo-server": "2.25.0",
+    "@graphql-tools/schema": "7.1.5"
   },
   "devDependencies": {
-    "@types/node": "14.14.35",
-    "ts-node": "9.1.1",
-    "typescript": "4.2.3"
+    "@types/node": "15.6.1",
+    "ts-node": "10.0.0",
+    "typescript": "4.3.2"
   },
   "scripts": {
     "start": "ts-node index.ts"

examples/azure-functions/README.md

@@ -0,0 +1,3 @@
+## Envelop basic example with Azure Functions
+
+This example demonstrate how to implement the basic GraphQL flow with Envelop, GraphQL-Helix and Azure Functions.

examples/azure-functions/index.ts

@@ -0,0 +1,52 @@
+import { envelop, useLogger, useSchema, useTiming } from '@envelop/core';
+import { makeExecutableSchema } from '@graphql-tools/schema';
+import { AzureFunction, Context, HttpRequest } from '@azure/functions';
+import { getGraphQLParameters, processRequest, Response } from 'graphql-helix';
+
+const schema = makeExecutableSchema({
+  typeDefs: /* GraphQL */ `
+    type Query {
+      hello: String!
+    }
+  `,
+  resolvers: {
+    Query: {
+      hello: () => 'World',
+    },
+  },
+});
+
+const getEnveloped = envelop({
+  plugins: [useSchema(schema), useLogger(), useTiming()],
+});
+
+const httpTrigger: AzureFunction = async function (context: Context, req: HttpRequest): Promise<void> {
+  const { parse, validate, contextFactory, execute, schema } = getEnveloped();
+  const request = {
+    body: req.body,
+    headers: req.headers,
+    method: req.method,
+    query: req.query,
+  };
+
+  const { operationName, query, variables } = getGraphQLParameters(request);
+  const result = (await processRequest({
+    operationName,
+    query,
+    variables,
+    request,
+    schema,
+    parse,
+    validate,
+    execute,
+    contextFactory,
+  })) as Response<any, any>;
+
+  context.res = {
+    status: 200,
+    headers: result.headers.reduce((prev, item) => ({ ...prev, [item.name]: item.value }), {}),
+    body: JSON.stringify(result.payload),
+  };
+};
+
+export default httpTrigger;

examples/azure-functions/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@envelop-examples/azure-functions",
+  "private": true,
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "Dotan Simha",
+  "license": "MIT",
+  "dependencies": {
+    "graphql-helix": "1.6.1",
+    "@envelop/core": "*",
+    "@graphql-tools/schema": "7.1.5"
+  },
+  "devDependencies": {
+    "@azure/functions": "1.2.3",
+    "@types/node": "15.6.1",
+    "ts-node": "10.0.0",
+    "typescript": "4.3.2"
+  },
+  "scripts": {
+    "compile": "tsc"
+  }
+}

examples/azure-functions/tsconfig.json

@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+    "target": "es2020",
+    "lib": ["es2020"],
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "sourceMap": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "outDir": "dist",
+    "allowUnreachableCode": false,
+    "allowUnusedLabels": false,
+    "alwaysStrict": true,
+    "noImplicitAny": false,
+    "noImplicitReturns": true,
+    "noImplicitThis": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "importHelpers": true,
+    "skipLibCheck": true
+  },
+  "include": ["."],
+  "exclude": ["node_modules"]
+}

examples/cloudflare-workers/README.md

@@ -0,0 +1,3 @@
+## Envelop basic example with Cloudflare Workers
+
+This example demonstrate how to implement the basic GraphQL flow with Envelop, GraphQL-Helix and Cloudflare Workers.

examples/cloudflare-workers/index.ts

@@ -0,0 +1,54 @@
+import { envelop, useLogger, useSchema, useTiming } from '@envelop/core';
+import { makeExecutableSchema } from '@graphql-tools/schema';
+import { getGraphQLParameters, processRequest, Response } from 'graphql-helix';
+import { Router } from 'worktop';
+import { listen } from 'worktop/cache';
+
+const router = new Router();
+
+const schema = makeExecutableSchema({
+  typeDefs: /* GraphQL */ `
+    type Query {
+      hello: String!
+    }
+  `,
+  resolvers: {
+    Query: {
+      hello: () => 'World',
+    },
+  },
+});
+
+const getEnveloped = envelop({
+  plugins: [useSchema(schema), useLogger(), useTiming()],
+});
+
+router.add('POST', '/graphql', async (req, res) => {
+  const { parse, validate, contextFactory, execute, schema } = getEnveloped();
+  const request = {
+    body: req.body,
+    headers: req.headers,
+    method: req.method,
+    query: req.query,
+  };
+
+  const { operationName, query, variables } = getGraphQLParameters(request);
+  const result = (await processRequest({
+    operationName,
+    query,
+    variables,
+    request,
+    schema,
+    parse,
+    validate,
+    execute,
+    contextFactory,
+  })) as Response<any, any>;
+
+  res.send(
+    result.status,
+    result.payload,
+    result.headers.reduce((prev, item) => ({ ...prev, [item.name]: item.value }), {})
+  );
+});
+listen(router.run);

examples/cloudflare-workers/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "@envelop-examples/cloudflare-workers",
+  "private": true,
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "Dotan Simha",
+  "license": "MIT",
+  "dependencies": {
+    "graphql-helix": "1.6.1",
+    "@envelop/core": "*",
+    "@graphql-tools/schema": "7.1.5",
+    "worktop": "0.7.0"
+  },
+  "devDependencies": {
+    "@cloudflare/workers-types": "2.2.2",
+    "@types/node": "15.6.1",
+    "ts-node": "10.0.0",
+    "typescript": "4.3.2"
+  },
+  "scripts": {
+    "compile": "tsc"
+  }
+}

examples/cloudflare-workers/tsconfig.json

@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+    "target": "es2020",
+    "lib": ["es2020"],
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "sourceMap": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "outDir": "dist",
+    "allowUnreachableCode": false,
+    "allowUnusedLabels": false,
+    "alwaysStrict": true,
+    "noImplicitAny": false,
+    "noImplicitReturns": true,
+    "noImplicitThis": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "importHelpers": true,
+    "skipLibCheck": true
+  },
+  "include": ["."],
+  "exclude": ["node_modules"]
+}