unicode: Properly report unknown codepoints

1 files changed, 5 insertions, 1 deletions

diff --git a/modules/unicode/unicode.js b/modules/unicode/unicode.js
index 113ea83..ee83179 100644
--- a/modules/unicode/unicode.js
+++ b/modules/unicode/unicode.js
@@ -114,14 +114,18 @@ module.exports = function (app, io, moddir) {
 
 	app.get("/unicode/lookup/:query", (req, res) => {
 		const codepoints = [];
+		let notfound = "";
 		for (let codepoint of req.params.query) {
 			codepoint = codepoint.codePointAt(0);
-			codepoints.push(lookupCode(codepoint));
+			const result = lookupCode(codepoint);
+			if (result != null) codepoints.push(result);
+			else notfound += String.fromCodePoint(codepoint);
 		}
 
 		res.json({
 			index: recogniseIndex(req.params.query) || undefined,
 			codepoints: codepoints,
+			notfound: notfound,
 			search: searchDescription(req.params.query),
 		});
 	});