Upgrade dependencies

server/helpers.js

@@ -1,19 +0,0 @@
-const btcFormat = new Intl.NumberFormat('en-US', { style: 'currency', currency: 'BTC' })
-
-module.exports = {
-  currency(code) {
-    switch (code) {
-      case 'USD':
-        return '$'
-      case 'EUR':
-        return '€'
-      default:
-        return code
-    }
-  },
-  sats2BTC(value) {
-    const btc = value/100000000
-    const formatted = btcFormat.format(btc)
-    return formatted.replace('BTC', '').replace(' ', '')
-  }
-}

server/helpers.mjs

@@ -0,0 +1,41 @@
+import { mkdirSync, writeFileSync } from 'fs'
+import { dirname, join, resolve } from 'path'
+import fetch from 'node-fetch'
+
+const dir = resolve(import.meta.dirname, '.')
+
+export const load = async url => {
+  const response = await fetch(url)
+  return response.ok ? response.text() : null
+}
+
+export const loadJSON = async url => {
+  const response = await fetch(url)
+  return response.ok ? response.json() : null
+}
+
+export const write = (name, data) => {
+  const dst = join(dir, name)
+  mkdirSync(dirname(dst), { recursive: true })
+  writeFileSync(dst, data)
+}
+export const writeJSON = (name, data) => write(`${name}.json`, JSON.stringify(data, null, 2))
+
+const btcFormat = new Intl.NumberFormat('en-US', { style: 'currency', currency: 'BTC' })
+
+export const currency = code => {
+  switch (code) {
+    case 'USD':
+      return '$'
+    case 'EUR':
+      return '€'
+    default:
+      return code
+  }
+}
+
+export const sats2BTC = value => {
+  const btc = value/100000000
+  const formatted = btcFormat.format(btc)
+  return formatted.replace('BTC', '').replace(' ', '')
+}

server/index.js

@@ -1,7 +1,7 @@
 const { readFileSync } = require('fs')
 const express = require('express')
 const app = express()
-const helpers = require('./helpers')
+const helpers = require('./helpers.mjs')
 const THEMES = ['quote', 'fees', 'lightning', 'stats']
 const { DISPLAY_SERVER_PORT: port = 3030, DISPLAY_THEME: envTheme = THEMES[0] } = process.env
 
@@ -9,7 +9,7 @@ app.set('view engine', 'pug')
 
 app.use(express.static('public'))
 
-app.get('/:theme?', (req, res) => {
+app.get('/{:theme}', (req, res) => {
   try {
     const data = JSON.parse(readFileSync('data.json', 'utf8'))
     const theme = (req.params.theme || envTheme).toLowerCase()

server/package.json

@@ -12,11 +12,14 @@
   "bugs": "https://github.com/dennisreimann/kindle-display/issues",
   "main": "index.js",
   "scripts": {
-    "start": "node -r dotenv/config index.js"
+    "start": "node -r dotenv/config index.js",
+    "data": "node data.mjs"
   },
   "dependencies": {
-    "dotenv": "16.3.1",
-    "express": "4.18.2",
-    "pug": "3.0.2"
+    "dotenv": "16.6.1",
+    "express": "5.2.1",
+    "json-2-csv": "5.5.10",
+    "node-fetch": "3.3.2",
+    "pug": "3.0.3"
   }
 }