bugfix: Large LandXMLs in web worker

Author: abrman

.changeset/three-seahorses-provide.md

@@ -0,0 +1,5 @@
+---
+"landxml": patch
+---
+
+bugfix: Parsing large LandXMLs now correctly parses on web workers

src/easyWebWorkerMock.ts

@@ -5,8 +5,16 @@ import EasyWebWorker, { createEasyWebWorker } from "easy-web-worker";
 const fakeCreateEasyWebWorker = (callback: (onMessage: any) => void) => ({
   send: (payload: any) =>
     new Promise(async (resolve, reject) => {
-      const onMessage = (callback: ({ payload, resolve }: { payload: any; resolve: any }) => void) => {
-        callback({ payload, resolve });
+      const onMessage = (
+        callback: ({ payload, resolve }: { payload: any; resolve: any; reject: (error: string) => void }) => void
+      ) => {
+        callback({
+          payload,
+          resolve,
+          reject: (e: any) => {
+            console.error(e);
+          },
+        });
       };
       callback({ onMessage });
     }),

src/private/parse-xml.ts

@@ -160,7 +160,7 @@ const parseXML = async (xmlString: string): Promise<ParsedSurface[]> =>
           }
 
           if (Faces.length > 10000) {
-            const sliceIndexes = [...Array(20).keys()].map((i) => Math.round((Faces.length / 20) * i));
+            const sliceIndexes = [...Array(20).keys()].map((i) => Math.round(((faces.length - 1) / 20) * i));
             faceNeighbors = (
               (await Promise.all(
                 sliceIndexes.map(
@@ -185,7 +185,7 @@ const parseXML = async (xmlString: string): Promise<ParsedSurface[]> =>
               faces,
               range: {
                 start: 0,
-                end: faces.length,
+                end: faces.length - 1,
               },
             })) as [number, number, number][];
           }