trycatch characterJoiner handlers

src/browser/services/CharacterJoinerService.ts

@@ -176,10 +176,20 @@ export class CharacterJoinerService implements ICharacterJoinerService {
     // At this point we already know that there is at least one joiner so
     // we can just pull its value and assign it directly rather than
     // merging it into an empty array, which incurs unnecessary writes.
-    const joinedRanges: [number, number][] = this._characterJoiners[0].handler(text);
+    let joinedRanges: [number, number][] = [];
+    try {
+      joinedRanges = this._characterJoiners[0].handler(text);
+    } catch (error) {
+      console.error(error);
+    }
     for (let i = 1; i < this._characterJoiners.length; i++) {
       // We merge any overlapping ranges across the different joiners
-      const joinerRanges = this._characterJoiners[i].handler(text);
+      let joinerRanges: [number, number][] = [];
+      try {
+        joinerRanges = this._characterJoiners[i].handler(text);
+      } catch (error) {
+        console.error(error);
+      }
       for (let j = 0; j < joinerRanges.length; j++) {
         CharacterJoinerService._mergeRanges(joinedRanges, joinerRanges[j]);
       }