Moved data responsibilities to separate file

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "prettier.singleQuote": true,
+  "editor.formatOnSave": true
+}

src/data/people.js

@@ -0,0 +1,28 @@
+const uuid = require('uuid/v4');
+
+const data = {
+  1: {
+    id: 1,
+    name: 'Juraj',
+    age: 45
+  },
+  2: {
+    id: 2,
+    name: 'Peto',
+    age: 15
+  }
+};
+
+module.exports = {
+  getPeople: () => Object.values(data),
+  getPerson: id => data[id],
+  createPerson: (name, age) => {
+    const newPerson = {
+      id: uuid(),
+      name,
+      age
+    };
+    data[newPerson.id] = newPerson;
+    return newPerson;
+  }
+};

src/index.js

@@ -1,10 +1,9 @@
 const express = require('express');
 const graphqlHTTP = require('express-graphql');
 const { buildSchema } = require('graphql');
-const person = require('./personData');
-const uuid = require('uuid/v4');
+const { createPerson, getPeople, getPerson } = require('./data/people');
 
-const PORT = process.env.PORT || 80;
+const PORT = process.env.PORT || 81;
 
 // Construct a schema, using GraphQL schema language
 const schema = buildSchema(`
@@ -27,18 +26,10 @@ const schema = buildSchema(`
 const root = {
   // Queries
   hello: () => 'Hello world!',
-  people: () => Object.values(person),
-  person: ({ id }) => person[id],
+  people: () => getPeople(),
+  person: ({ id }) => getPerson(id),
   // Mutations
-  createPerson: ({ name, age }) => {
-    const newPerson = {
-      id: uuid(),
-      name,
-      age
-    };
-    person[newPerson.id] = newPerson;
-    return newPerson;
-  }
+  createPerson: ({ name, age }) => createPerson(name, age)
 };
 
 const app = express();