re #1207, update mongoose options for fetch example scripts

Author: catarak

server/scripts/examples-gg-latest.js

@@ -66,7 +66,8 @@ const headers = { 'User-Agent': 'p5js-web-editor/0.0.1' };
 
 const mongoConnectionString = process.env.MONGO_URL;
 
-mongoose.connect(mongoConnectionString, { useMongoClient: true });
+mongoose.connect(mongoConnectionString, { useNewUrlParser: true, useUnifiedTopology: true });
+mongoose.set('useCreateIndex', true);
 mongoose.connection.on('error', () => {
   console.error('MongoDB Connection Error. Please make sure that MongoDB is running.');
   process.exit(1);

server/scripts/examples-ml5.js

@@ -30,9 +30,8 @@ const requestOptions = {
 };
 
 const mongoConnectionString = process.env.MONGO_URL;
-mongoose.connect(mongoConnectionString, {
-  useMongoClient: true
-});
+mongoose.connect(mongoConnectionString, { useNewUrlParser: true, useUnifiedTopology: true });
+mongoose.set('useCreateIndex', true);
 mongoose.connection.on('error', () => {
   console.error('MongoDB Connection Error. Please make sure that MongoDB is running.');
   process.exit(1);

server/scripts/examples.js

@@ -40,7 +40,8 @@ const headers = { 'User-Agent': 'p5js-web-editor/0.0.1' };
 
 const mongoConnectionString = process.env.MONGO_URL;
 
-mongoose.connect(mongoConnectionString, { useMongoClient: true });
+mongoose.connect(mongoConnectionString, { useNewUrlParser: true, useUnifiedTopology: true });
+mongoose.set('useCreateIndex', true);
 mongoose.connection.on('error', () => {
   console.error('MongoDB Connection Error. Please make sure that MongoDB is running.');
   process.exit(1);