feat: Add example graphql server

Author: nodkz

.npmignore

@@ -1,3 +1,4 @@
 .DS_Store
 *.log
-src
+src
+example

example/index.js

@@ -0,0 +1,97 @@
+import express from 'express';
+import graphqlHTTP from 'express-graphql';
+import { GraphQLSchema, GraphQLObjectType, GraphQLString } from 'graphql';
+import elasticsearch from 'elasticsearch';
+import ElasticApiParser from '../scripts/apiParser/ElasticApiParser';
+
+const expressPort = process.env.port || process.env.PORT || 9201;
+
+const elasticClient = new elasticsearch.Client({
+  host: 'http://localhost:9200',
+  apiVersion: '5.0',
+  log: 'trace',
+});
+
+const generatedSchema = new GraphQLSchema({
+  query: new GraphQLObjectType({
+    name: 'Query',
+    // see node_modules/elasticsearch/src/lib/apis/ for available versions
+    fields: {
+      elastic50: {
+        description: 'Elastic v5.0',
+        type: new GraphQLObjectType({
+          name: 'Elastic50',
+          fields: new ElasticApiParser({ version: '5_0', prefix: 'Elastic50' }).run(),
+        }),
+        args: {
+          host: {
+            type: GraphQLString,
+            defaultValue: 'http://user:pass@localhost:9200',
+          },
+        },
+        resolve: (src, args, context) => {
+          context.elasticClient = new elasticsearch.Client({ // eslint-disable-line no-param-reassign
+            host: args.host,
+            apiVersion: '5.0',
+          });
+          return {};
+        },
+      },
+
+      elastic24: {
+        description: 'Elastic v2.4',
+        type: new GraphQLObjectType({
+          name: 'Elastic24',
+          fields: new ElasticApiParser({ version: '2_4', prefix: 'Elastic24' }).run(),
+        }),
+        args: {
+          host: {
+            type: GraphQLString,
+            defaultValue: 'http://user:pass@localhost:9200',
+          },
+        },
+        resolve: (src, args, context) => {
+          context.elasticClient = new elasticsearch.Client({ // eslint-disable-line no-param-reassign
+            host: args.host,
+            apiVersion: '2.4',
+          });
+          return {};
+        },
+      },
+
+      elastic17: {
+        description: 'Elastic v1.7',
+        type: new GraphQLObjectType({
+          name: 'Elastic17',
+          fields: new ElasticApiParser({ version: '5_0', prefix: 'Elastic17' }).run(),
+        }),
+        args: {
+          host: {
+            type: GraphQLString,
+            defaultValue: 'http://user:pass@localhost:9200',
+          },
+        },
+        resolve: (src, args, context) => {
+          context.elasticClient = new elasticsearch.Client({ // eslint-disable-line no-param-reassign
+            host: args.host,
+            apiVersion: '1.7',
+          });
+          return {};
+        },
+      },
+    },
+  }),
+});
+
+const server = express();
+server.use('/', graphqlHTTP({
+  schema: generatedSchema,
+  graphiql: true,
+  context: {
+    // elasticClient,
+  },
+}));
+
+server.listen(expressPort, () => {
+  console.log(`The server is running at http://localhost:${expressPort}/`);
+});

package.json

@@ -43,6 +43,8 @@
     "eslint-plugin-flowtype": "^2.30.0",
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-prettier": "^2.0.0",
+    "express": "^4.15.2",
+    "express-graphql": "^0.6.3",
     "flow-bin": "^0.41.0",
     "graphql": "^0.9.1",
     "graphql-compose": "^1.14.0",