From 5ce9dddf0d312cd1c37b0ac5cb83da15afaa0f51 Mon Sep 17 00:00:00 2001
From: Andrew Calcutt <acalcutt@techidiots.net>
Date: Wed, 11 Oct 2023 22:58:56 -0400
Subject: [PATCH] fix: undefine tiles / Conent-Type

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>
---
 src/pmtiles_adapter.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pmtiles_adapter.js b/src/pmtiles_adapter.js
index af4f384..6c7a387 100644
--- a/src/pmtiles_adapter.js
+++ b/src/pmtiles_adapter.js
@@ -67,7 +67,7 @@ export const GetPMtilesTile = async (pmtiles, z, x, y) => {
   const header = await pmtiles.getHeader();
   const TileType = GetPmtilesTileType(header.tileType);
   let zxyTile = await pmtiles.getZxy(z, x, y);
-  if (zxyTile.data !== undefined) {
+  if (zxyTile && zxyTile.data) {
     zxyTile = ArrayBufferToBuffer(zxyTile.data);
   } else {
     zxyTile = undefined;
@@ -91,7 +91,7 @@ const GetPmtilesTileType = (typenum) => {
       head['Content-Type'] = 'image/png';
       break;
     case 3:
-      tileType = 'jpg';
+      tileType = 'jpeg';
       head['Content-Type'] = 'image/jpeg';
       break;
     case 4: