bot: add eval

src/modules/bot.js

@@ -2,6 +2,9 @@ const Command = require("../lib/command.js");
 const CATEGORY = "bot";
 
 const logger = require("npmlog");
+const {inspect} = require("util");
+
+const {hastebin} = require("../lib/utils.js");
 
 const reload = new Command("reload");
 reload.ownerOnly = true;
@@ -38,3 +41,40 @@ restart.callback = function () {
   return {reaction: "\uD83D\uDD04"};
 };
 hf.registerCommand(restart);
+
+const _eval = new Command("eval");
+_eval.elevatedOnly = true;
+_eval.category = CATEGORY;
+_eval.helpText = "Evalueates Javascript";
+_eval.callback = async function (msg, line) {
+  let errored = false;
+  let out;
+
+  try {
+    out = eval(line);
+    if (out && out.then) out = await out;
+  } catch (err) {
+    out = err.message ? err.message : err;
+    errored = true;
+  }
+
+  out = typeof out == "string" ? out : inspect(out, {depth: 0});
+
+  const token = hf.config.token;
+  out = out.replace(
+    new RegExp(token.replace(/\./g, "\\."), "g"),
+    "lol no key 4 u"
+  );
+
+  if (errored) {
+    return ":warning: Output (errored):\n```js\n" + out + "\n```";
+  } else {
+    if (out.toString().length > 1980) {
+      const code = hastebin(out.toString());
+      return `\u2705 Output too long to send in a message: ${hf.config.haste_provider}/${code}`;
+    } else {
+      return "\u2705 Output:\n```js\n" + out + "\n```";
+    }
+  }
+};
+hf.registerCommand(_eval);