Migrate to yarn

gather/.eslintrc

@@ -1,3 +0,0 @@
-{
-  "extends": "standard"
-}

gather/.eslintrc.js

@@ -0,0 +1,15 @@
+export default {
+  parser: '@typescript-eslint/parser',
+  extends: 'standard-with-typescript',
+  parserOptions: {
+    project: './tsconfig.json'
+  },
+  rules: {
+    '@typescript-eslint/no-floating-promises': [
+      'error',
+      {
+        ignoreIIFE: true
+      }
+    ]
+  }
+}

gather/package.json

@@ -1,21 +1,22 @@
 {
-  "name": "warframe-market-bot",
+  "name": "gather",
+  "private": true,
   "version": "1.0.0",
   "description": "The background job that collects data and stores it in a DB",
-  "main": "index.js",
   "scripts": {
-    "start": "node src/index.js"
+    "start": "node ./dist/index.js",
+    "build": "./node_modules/typescript/bin/tsc"
   },
-  "author": "Anatoly Kopyl",
-  "license": "ISC",
   "dependencies": {
     "axios": "^0.26.0",
     "dotenv": "^16.0.0",
     "limiter": "^2.1.0",
-    "shared-stuff": "file:../shared-stuff"
+    "mongoose": "^6.4.3",
+    "shared-stuff": "1.0.0",
+    "typescript": "^4.7.4"
   },
   "devDependencies": {
-    "eslint-config-standard": "^16.0.3",
+    "eslint-config-standard-with-typescript": "^22.0.0",
     "pm2": "^5.2.0"
   }
 }

gather/src/api.js

@@ -1,44 +0,0 @@
-const axios = require('axios')
-const { RateLimiter } = require('limiter')
-
-class Api {
-  constructor () {
-    this.baseUrl = 'https://api.warframe.market/v1/'
-    this.delay = process.env.API_DELAY ?? 3000
-    this.limiter = new RateLimiter({ tokensPerInterval: 1, interval: Number(this.delay) })
-  }
-
-  async _get (url) {
-    await this.limiter.removeTokens(1)
-    return axios.get(url).catch((error) => {
-      console.error(error)
-      return {
-        data: {
-          payload: {
-            orders: []
-          }
-        }
-      }
-    })
-  }
-
-  async getOrders (url) {
-    const response = await this._get(this.baseUrl + 'items/' + url + '/orders')
-    return response.data.payload.orders.filter(function (order) {
-      return order.order_type === 'sell' && order.user.status !== 'offline'
-    })
-  }
-
-  async getSortedOrders (url) {
-    const orders = await this.getOrders(url)
-    if (orders.length === 0) {
-      return []
-    }
-
-    return orders.sort(function (a, b) {
-      return a.platinum - b.platinum
-    })
-  }
-}
-
-module.exports = new Api()

gather/src/api.ts

@@ -0,0 +1,59 @@
+import axios from 'axios'
+import type { AxiosError } from 'axios'
+import { RateLimiter } from 'limiter'
+
+type user = {
+  status: 'online' | 'offline'
+}
+
+type order = {
+  order_type: 'buy' | 'sell',
+  platinum: number,
+  user: user
+}
+
+class Api {
+  baseUrl: string
+  delay: number
+  limiter: RateLimiter
+
+  constructor () {
+    this.baseUrl = 'https://api.warframe.market/v1/'
+    this.delay = Number(process.env.API_DELAY) ?? 3000
+    this.limiter = new RateLimiter({ tokensPerInterval: 1, interval: Number(this.delay) })
+  }
+
+  async _get (url: string) {
+    await this.limiter.removeTokens(1)
+    return axios.get(url).catch((error: AxiosError) => {
+      console.error(error)
+      return {
+        data: {
+          payload: {
+            orders: []
+          }
+        }
+      }
+    })
+  }
+
+  async getOrders (url: string): Promise<order[]> {
+    const response = await this._get(this.baseUrl + 'items/' + url + '/orders')
+    return response.data.payload.orders.filter(function (order: order) {
+      return order.order_type === 'sell' && order.user.status !== 'offline'
+    })
+  }
+
+  async getSortedOrders (url: string): Promise<order[]> {
+    const orders = await this.getOrders(url)
+    if (orders.length === 0) {
+      return []
+    }
+
+    return orders.sort(function (a: order, b: order) {
+      return a.platinum - b.platinum
+    })
+  }
+}
+
+export default new Api()

gather/src/index.ts

@@ -1,10 +1,10 @@
-require('dotenv').config()
-const mongoose = require('mongoose')
-const items = require('./items')
-const { models } = require('shared-stuff')
+import mongoose from 'mongoose'
+import items from './items'
+import { models } from 'shared-stuff'
+import 'dotenv/config'
 
-async function initDB () {
-  await mongoose.connect(process.env.MONGODB_URI)
+async function initDB (): Promise<void> {
+  await mongoose.connect(String(process.env.MONGODB_URI))
 }
 
 (async () => {

gather/src/items/Archwings.ts

@@ -1,7 +1,7 @@
-const Item = require('./Item')
+import Item from './Item'
 
-module.exports = class Archwings extends Item {
-  constructor (name) {
+export default class Archwings extends Item {
+  constructor (name: string) {
     super(name)
 
     this.addPart('harness')

gather/src/items/Companion.ts

@@ -1,7 +1,7 @@
-const Item = require('./Item')
+import Item from './Item'
 
-module.exports = class Companion extends Item {
-  constructor (name) {
+export default class Companion extends Item {
+  constructor (name: string) {
     super(name)
 
     this.addPart('carapace')

gather/src/items/Item.ts

@@ -1,11 +1,16 @@
-const Part = require('./Part')
+import Part from './Part'
 
-function capitalize (string) {
+function capitalize (string: string) {
   return string.charAt(0).toUpperCase() + string.slice(1)
 }
 
-module.exports = class Item {
-  constructor (name) {
+export default class Item {
+  name: string
+  fullName: string
+  set: Part
+  parts: Part[]
+
+  constructor (name: string) {
     this.name = name
     this.fullName = capitalize(name) + ' Prime'
     this.set = new Part(name, 'set')
@@ -14,7 +19,7 @@ module.exports = class Item {
     this.addPart('blueprint')
   }
 
-  addPart (part, amount) {
+  addPart (part: string, amount: number = 1) {
     this.parts.push(new Part(this.name, part, amount))
   }
 }

gather/src/items/Part.ts

@@ -1,14 +1,19 @@
-const Api = require('../api')
+import Api from '../api'
 
-module.exports = class Part {
-  constructor (set, part, amount) {
+export default class Part {
+  part: string
+  urlPath: string
+  url: string
+  amount: number
+
+  constructor (set: string, part: string, amount: number = 1) {
     this.part = part
     this.urlPath = `${set}_prime_${part}`
     this.url = `https://warframe.market/items/${set}_prime_${part}`
     this.amount = amount ?? 1
   }
 
-  async getPrice () {
+  async getPrice (): Promise<number> {
     const orders = await Api.getSortedOrders(this.urlPath)
     if (orders.length === 0) {
       return 0

gather/src/items/Primary.ts

@@ -1,7 +1,7 @@
-const Item = require('./Item')
+import Item from './Item'
 
-module.exports = class Primary extends Item {
-  constructor (name) {
+export default class Primary extends Item {
+  constructor (name: string) {
     super(name)
 
     this.addPart('barrel')

gather/src/items/Secondary.ts

@@ -1,7 +1,7 @@
-const Item = require('./Item')
+import Item from './Item'
 
-module.exports = class Secondary extends Item {
-  constructor (name) {
+export default class Secondary extends Item {
+  constructor (name: string) {
     super(name)
 
     this.addPart('barrel', 2)

gather/src/items/Warframe.ts

@@ -1,7 +1,7 @@
-const Item = require('./Item')
+import Item from './Item'
 
-module.exports = class Warframe extends Item {
-  constructor (name) {
+export default class Warframe extends Item {
+  constructor (name: string) {
     super(name)
 
     this.addPart('systems')

gather/src/items/index.ts

@@ -1,11 +1,12 @@
-const items = require('./items.json')
-const Warframe = require('./Warframe')
+import items from './items.json'
+import Warframe from './Warframe'
 // const Primary = require('./Primary')
 // const Secondary = require('./Secondary')
-const Companion = require('./Companion')
-const Archwings = require('./Archwings')
+import Companion from './Companion'
+import Archwings from './Archwings'
+import type Item from './Item'
 
-const result = []
+const result: Item[] = []
 
 items.warframes.forEach((name) => {
   result.push(new Warframe(name))
@@ -23,4 +24,4 @@ items.archwings.forEach((name) => {
   result.push(new Archwings(name))
 })
 
-module.exports = result
+export default result

gather/tsconfig.json

@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "commonjs",
+    "allowJs": true,
+    "checkJs": false,
+    "outDir": "dist",
+    "rootDir": ".",
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "strictNullChecks": true,
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+  },
+  "exclude": ["node_modules", "dist"],
+  "include": [
+    "./src",
+    "./*",
+  ]
+}