Add silent config option to suppress stdout output

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

config/default.ts

@@ -14,6 +14,7 @@ export interface TelegramConfig {
 export interface Config {
   days: DayUrls
   devMode: boolean
+  silent: boolean
   overrideTime: string | null
   telegram: TelegramConfig
 }
@@ -27,6 +28,7 @@ const config: Config = {
     friday:    "",
   },
   devMode: false,
+  silent: false,
   overrideTime: null,
   telegram: {
     botToken: "",

src/index.ts

@@ -53,26 +53,30 @@ function formatMenu(menu: ParsedMenu): string {
   return lines.join("\n")
 }
 
+function log(msg: string): void {
+  if (!config.silent) console.log(msg)
+}
+
 async function tg(text: string): Promise<void> {
   if (!config.telegram.botToken || !config.telegram.chatId) {
     console.log(`TG (not configured): ${text}`)
     return
   }
   await sendMessage(config.telegram.botToken, config.telegram.chatId, text)
-  console.log(`TG sent: ${text.slice(0, 80)}${text.length > 80 ? "…" : ""}`)
+  log(`TG sent: ${text.slice(0, 80)}${text.length > 80 ? "…" : ""}`)
 }
 
 async function main() {
   const { totalMinutes, dateStr } = getCurrentTime()
 
   if (totalMinutes >= 14 * 60) {
-    console.log("After 14:00, exiting.")
+    log("After 14:00, exiting.")
     return
   }
 
   const weekday = todayWeekday()
   if (!weekday) {
-    console.log("Weekend, exiting.")
+    log("Weekend, exiting.")
     return
   }
 
@@ -89,7 +93,7 @@ async function main() {
   const availability = checkAvailability(body)
 
   if (!availability.available) {
-    console.log(`Menu not available: ${availability.reason}`)
+    log(`Menu not available: ${availability.reason}`)
     if (isAfter10 && !state.sentAt10) {
       await tg("Dnes menu není k dispozici.")
       state.sentAt10 = true
@@ -109,7 +113,7 @@ async function main() {
       state.sentAt10 = true
     }
     await saveState(state)
-    console.log("First run, reference saved.")
+    log("First run, reference saved.")
     return
   }
 
@@ -119,7 +123,7 @@ async function main() {
 
   // Log text changes (always)
   for (const change of diff.textChanges) {
-    await logChange(dateStr, formatTextChange(change))
+    await logChange(dateStr, formatTextChange(change), config.silent)
   }
 
   if (isAfter10) {

src/logger.ts

@@ -3,10 +3,10 @@ import path from "path"
 
 const LOGS_DIR = "logs"
 
-export async function logChange(date: string, message: string): Promise<void> {
+export async function logChange(date: string, message: string, silent = false): Promise<void> {
   await fs.mkdir(LOGS_DIR, { recursive: true })
   const file = path.join(LOGS_DIR, `${date}.log`)
   const time = new Date().toTimeString().slice(0, 8)
   await fs.appendFile(file, `[${time}] ${message}\n`)
-  console.log(`LOG: ${message}`)
+  if (!silent) console.log(`LOG: ${message}`)
 }