Read and write to cache, kindof broken because of async writing to file

utils.js

@@ -1,3 +1,4 @@
+const fs = require('fs')
 
 const whoAmI = (result) => {
   return `${result.title} (${result.year}) - ${result.status}`
@@ -9,4 +10,25 @@ const printAll = (media) => {
   })
 }
 
-module.exports = { whoAmI, printAll }
+const writeCache = async (releases) => {
+  console.log(releases)
+  return new Promise((resolve, reject) => {
+    fs.writeFile('./releases.cache', JSON.stringify(releases), (err) => {
+      if (err)
+        return console.log(err)
+
+      resolve()
+      console.log('releases cache saved')
+    })
+  })
+}
+
+const readCache = () => {
+  return Promise.resolve(fs.readFile('./releases.cache', 'utf-8', (err, data) => {
+    if (err) throw err;
+    console.log(data)
+    return JSON.parse(data)
+  }))
+}
+
+module.exports = { whoAmI, printAll, writeCache, readCache }