add global try

src/bot-hooks.ts

@@ -5,6 +5,7 @@ const translateDeepL = require('./deepl-translate-adapter').translate;
 const translateGoogle = require('./google-translate-adapter').translate;
 const detectGoogle = require('./google-translate-adapter').detect;
 const makeResult = require('./results').makeResult;
+const makeError = require('./results').makeError;
 const keys = require('../keys.json');
 
 const request_options: Options = {url: ''};
@@ -56,7 +57,15 @@ function makeResults(translated: string): Array<InlineQueryResultArticle> {
     return results;
 }
 
+function makeErrors(): Array<InlineQueryResultArticle> {
+    const results: Array<InlineQueryResultArticle> = [];
+    results.push(makeError());
+    return results;
+}
+
 bot.on('inline_query', async (query: InlineQuery) => {
+    let results: Array<InlineQueryResultArticle>;
+    try {
         const queryText = query.query;
         const length = queryText.length;
         if (length < 3) { return; }
@@ -83,6 +92,10 @@ bot.on('inline_query', async (query: InlineQuery) => {
             return;
         }
         const translated = await translate(text, dstLang);
-    const results = makeResults(translated);
+        results = makeResults(translated);
+    } catch (e) {
+        console.log(e);
+        results = makeErrors();
+    }
     await bot.answerInlineQuery(query.id, results, {cache_time: 0, is_personal: true});
 });

src/results.ts

@@ -11,3 +11,13 @@ export function makeResult(title: string, message: string): InlineQueryResultArt
         input_message_content: {message_text: message}
     };
 }
+
+export function makeError(): InlineQueryResultArticle {
+    if (id + 1 == Number.MAX_SAFE_INTEGER) { id = 0; }
+    return {
+        type: 'article',
+        id: '' + ++id,
+        title: 'Error.',
+        input_message_content: {message_text: ''}
+    };
+}