From bb0d52719116cb06dc4f041df56bd12a9d86fc34 Mon Sep 17 00:00:00 2001
From: Matt Palmerlee <mpalmerlee@gmail.com>
Date: Fri, 10 May 2024 19:00:05 -0700
Subject: [PATCH 1/2] fix #92 this.parseError is not a function

---
 packages/wkt/src/wkt.js       |  4 ++++
 packages/wkt/test/wkt.test.js | 13 +++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/packages/wkt/src/wkt.js b/packages/wkt/src/wkt.js
index 8500795..2dc67c8 100644
--- a/packages/wkt/src/wkt.js
+++ b/packages/wkt/src/wkt.js
@@ -7,6 +7,10 @@
 
 'SOURCE';
 
+parser.yy.parseError = function (err) {
+  throw err;
+};
+
 function PointArray (point) {
   this.data = [point];
   this.type = 'PointArray';
diff --git a/packages/wkt/test/wkt.test.js b/packages/wkt/test/wkt.test.js
index e0cd779..c82860d 100644
--- a/packages/wkt/test/wkt.test.js
+++ b/packages/wkt/test/wkt.test.js
@@ -1035,3 +1035,16 @@ test('should parse a GEOMETRYCOLLECTION with ZM property', function (t) {
     }
   });
 });
+
+test('should fail with friendly error message when wkt is invalid', function (t) {
+  t.plan(1);
+
+  const input = 'POINT(30,10)';
+
+  try {
+    wktToGeoJSON(input);
+  } catch (err) {
+    const error = err.toString();
+    t.deepEqual(error, 'Error: Unable to parse: Parse error on line 1:\nPOINT(30,10)\n--------^\nExpecting \'DOUBLE_TOK\', got \'COMMA\'');
+  }
+});

From 293723db747355711df4da4dc8f41ceca13641c8 Mon Sep 17 00:00:00 2001
From: john gravois <jagravois@gmail.com>
Date: Wed, 15 May 2024 14:17:50 -0700
Subject: [PATCH 2/2] add code comment

---
 packages/wkt/src/wkt.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/wkt/src/wkt.js b/packages/wkt/src/wkt.js
index 2dc67c8..b162799 100644
--- a/packages/wkt/src/wkt.js
+++ b/packages/wkt/src/wkt.js
@@ -7,6 +7,7 @@
 
 'SOURCE';
 
+// surface parsing errors to calling code https://github.com/zaach/jison/issues/218
 parser.yy.parseError = function (err) {
   throw err;
 };