Migrate to yarn

gather/src/index.ts

@@ -0,0 +1,40 @@
+import mongoose from 'mongoose'
+import items from './items'
+import { models } from 'shared-stuff'
+import 'dotenv/config'
+
+async function initDB (): Promise<void> {
+  await mongoose.connect(String(process.env.MONGODB_URI))
+}
+
+(async () => {
+  await initDB()
+
+  for (const item of items) {
+    process.stdout.write(`Looking at ${item.name}: `)
+
+    let partsPrice = 0
+    for (const part of item.parts) {
+      process.stdout.write(`${part.part} `)
+      partsPrice += await part.getPrice()
+    }
+
+    const setPrice = await item.set.getPrice()
+    await models.ScanResult.findOneAndUpdate(
+      { name: item.name },
+      {
+        fullName: item.fullName,
+        url: item.set.url,
+        timestamp: new Date(),
+        partsPrice,
+        setPrice,
+        difference: setPrice - partsPrice
+      },
+      { upsert: true }
+    )
+
+    console.log('✅')
+  }
+
+  await mongoose.disconnect()
+})()