why use markdown?

notifications/telegram.js

@@ -1,27 +1,27 @@
 import { config } from "../config";
 const Telegram = require("telegraf/telegram");
 import { telegraph } from "../utils/telegraph";
-import { md } from "../utils/markdown";
+import { html } from "../utils/html";
 let sendto = config.TG_SENDID;
 export async function reply(feed, item) {
   const telegram = new Telegram(config.TG_TOKEN);
   await telegram.sendMessage(
     sendto,
-    `*${md(feed.title)}*\n${md(item.title)}\n${
+    `<b>${html(feed.title)}</b>\n${html(item.title)}\n${
       feed.telegraph
         ? item.content
-          ? `[telegraph](${await telegraph(item)})`
+          ? `<a href="${await telegraph(item)}">telegraph</a>`
           : ""
         : ""
-    }  ${item.link ? `[查看原文](${item.link})` : ""}`,
-    { parse_mode: "MARKDOWN" }
+    }  ${item.link ? `<a href="${item.link}">origin</a>` : ""}`,
+    { parse_mode: "HTML" }
   );
 }
 export async function replyWhenError(feed) {
   const telegram = new Telegram(config.TG_TOKEN);
   await telegram.sendMessage(
     sendto,
-    `*${md(feed.title)}*\n 连续多次失败，将暂停更新，请检查订阅源是否正常。`,
-    { parse_mode: "MARKDOWN" }
+    `<b>${html(feed.title)}</b>\n 连续多次失败，将暂停更新，请检查订阅源是否正常。`,
+    { parse_mode: "HTML" }
   );
 }

utils/html.js

@@ -0,0 +1,6 @@
+const map = {
+  "<": "&lt;",
+  ">": "&gt;",
+  "&": "&amp;",
+};
+export const html = (string) => string.replace(/[\<\>\&]/g, (m) => map[m]);

utils/tgbot_command/list.js

@@ -1,4 +1,4 @@
-import { md } from "../markdown";
+import { html} from "../html";
 export async function botList(ctx) {
   let subraw = (await KV.get("sub")) || "[]";
   const sub = JSON.parse(subraw);
@@ -7,8 +7,8 @@ export async function botList(ctx) {
   } else {
     let msg = "";
     for (let i = 0; i < sub.length; i++) {
-      msg += `[${md(sub[i].title)}](${sub[i].url})\n`;
+      msg += `[${html(sub[i].title)}](${sub[i].url})\n`;
     }
-    await ctx.reply(msg, { parse_mode: "Markdown" });
+    await ctx.reply(msg, { parse_mode: "HTML" });
   }
 }