From 3f4bd472cff03aa41055151bde3390f2c5e747cd Mon Sep 17 00:00:00 2001
From: Christian Paul <info@jaller.de>
Date: Sun, 1 May 2022 15:19:53 +0200
Subject: [PATCH] Ignore upstream issue: Unimplemented type: 4

---
 src/Tile.js | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/Tile.js b/src/Tile.js
index cca3942..bd4fed9 100644
--- a/src/Tile.js
+++ b/src/Tile.js
@@ -20,12 +20,23 @@ export default class Tile {
 
   async load(buffer) {
     const unzippedBuffer = await this._unzipIfNeeded(buffer);
-    await this._loadTile(unzippedBuffer);
-    await this._loadLayers();
+    this._loadTile(unzippedBuffer);
+    this._loadLayers();
   }
 
   _loadTile(buffer) {
-    this.tile = new VectorTile(new Protobuf(buffer));
+    try {
+      this.tile = new VectorTile(new Protobuf(buffer));
+    } catch (error) {
+      // Ignoring upstream issue https://github.com/rastapasta/mapscii/issues/87
+      if (error.message === 'Unimplemented type: 4') {
+        this.tile = {
+          layers: [],
+        };
+        return;
+      }
+      throw error;
+    }
   }
 
   _unzipIfNeeded(buffer) {