urldecode: cleanup, error handling

src/modules/misc/urldecode.js

@@ -1,29 +1,37 @@
 const Command = require("#lib/command.js");
+const {Icons} = require("#util/constants.js");
 
 const urldecode = new Command("urldecode");
 urldecode.category = "misc";
-urldecode.helpText = "Get url information";
+urldecode.helpText = "Get information on a URL";
 urldecode.usage = "<url>";
-urldecode.callback = async function (msg, _, [urlString]) {
+urldecode.callback = async function (msg, line, [urlString]) {
+  try {
     const url = new URL(urlString);
 
     const info = [
-        ["scheme", url.protocol],
+      ["scheme", url.protocol],
-        ["username", url.username],
+      ["username", url.username],
-        ["password", url.password],
+      ["password", url.password],
-        ["host", url.host],
+      ["host", url.host],
-        ["path", url.pathname],
+      ["path", url.pathname],
-        ["hash", url.hash],
+      ["hash", url.hash],
     ];
 
     return `\`\`\`py
-${info.filter(kv => kv[1].length > 0).map(([k, v]) => `${k} = ${v}`).join("\n")}
+${info
+  .filter((kv) => kv[1].length > 0)
+  .map(([k, v]) => `${k} = ${v}`)
+  .join("\n")}
 
 ${JSON.stringify(
-    url.searchParams,
+  url.searchParams,
-    (_, v) => v instanceof URLSearchParams ? Object.fromEntries(v.entries()) : v,
+  (_, v) => (v instanceof URLSearchParams ? Object.fromEntries(v.entries()) : v),
-    "\t"
+  "\t"
 )}
 \`\`\``;
+  } catch (err) {
+    return `${Icons.silk.error} Failed to decode URL:\n\`\`\`\n${err}\`\`\``;
+  }
 };
 hf.registerCommand(urldecode);