Add response compression middleware

index.js

@@ -13,9 +13,11 @@ console.log('Loading dependancies …')
 const process = require('process')
 const path = require('path')
 const fs = require('fs')
+const cron = require('node-cron')
+const { Z_SYNC_FLUSH } = require('zlib').constants
 const Koa = require('koa')
 const koaBodyParser = require('koa-bodyparser')
-const cron = require('node-cron')
+const koaCompress = require('koa-compress')
 
 console.log('Loading libraries …')
 const router = require('./router')
@@ -46,6 +48,16 @@ const updateGalnetNews = require('./lib/cron-tasks/galnet-news')
     return next()
   })
 
+  // Enable content compression
+  app.use(koaCompress({
+    filter: (content_type) => {
+       return /text/i.test(content_type)
+    },
+    threshold: 2048,
+    flush: Z_SYNC_FLUSH,
+    deflate: Z_SYNC_FLUSH
+ }))
+
   router.get('/', (ctx) => { ctx.body = printStats() })
   router.get('/api', (ctx) => { ctx.body = printStats() })
   app.use(router.routes())

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ardent-api",
-  "version": "4.9.0",
+  "version": "4.10.0",
   "description": "Ardent API provides access to data submitted to EDDN",
   "main": "index.js",
   "scripts": {
@@ -25,6 +25,7 @@
     "dotenv": "^16.0.3",
     "koa": "^2.14.2",
     "koa-bodyparser": "^4.4.0",
+    "koa-compress": "^5.1.1",
     "koa-router": "^12.0.0",
     "node-cron": "^3.0.3"
   },