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fix: telegram html formatting (#435, thanks @RandyVentures)

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This commit is contained in:
Peter Steinberger
2026-01-08 02:34:32 +01:00
parent 61f5ed8bb7
commit 2140caaf67
8 changed files with 230 additions and 23 deletions
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12
src/telegram/send.ts
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@@ -8,6 +8,7 @@ import { mediaKindFromMime } from "../media/constants.js";
import { isGifMedia } from "../media/mime.js";
import { loadWebMedia } from "../web/media.js";
import { resolveTelegramAccount } from "./accounts.js";
import { markdownToTelegramHtml } from "./format.js";
type TelegramSendOpts = {
token?: string;
@@ -204,20 +205,21 @@ export async function sendMessageTelegram(
if (!text || !text.trim()) {
throw new Error("Message must be non-empty for Telegram sends");
}
const htmlText = markdownToTelegramHtml(text);
const textParams = hasThreadParams
? { parse_mode: "Markdown" as const, ...threadParams }
: { parse_mode: "Markdown" as const };
? { parse_mode: "HTML" as const, ...threadParams }
: { parse_mode: "HTML" as const };
const res = await request(
() => api.sendMessage(chatId, text, textParams),
() => api.sendMessage(chatId, htmlText, textParams),
"message",
).catch(async (err) => {
// Telegram rejects malformed Markdown (e.g., unbalanced '_' or '*').
// Telegram rejects malformed HTML (e.g., unsupported tags or entities).
// When that happens, fall back to plain text so the message still delivers.
const errText = formatErrorMessage(err);
if (PARSE_ERR_RE.test(errText)) {
if (opts.verbose) {
console.warn(
`telegram markdown parse failed, retrying as plain text: ${errText}`,
`telegram HTML parse failed, retrying as plain text: ${errText}`,
);
}
return await request(