Fix issue with web worker not being parsed correctly

Author: liberostelios

.eslintrc.json

@@ -1,7 +1,7 @@
 {
 	"root": true,
 	"parserOptions": {
-        "ecmaVersion": 2018
+        "ecmaVersion":"latest"
 	},
 
 	"extends": [

src/parsers/CityJSONWorkerParser.js

@@ -77,7 +77,7 @@ export class CityJSONWorkerParser {
 
 		// Sets the web worker that will parse all normal (ie non-instanced)
 		// geometries
-		const worker = new Worker( "./helpers/ParserWorker.js" );
+		const worker = new Worker( new URL( "./helpers/ParserWorker.js", import.meta.url ), { type: "module" } );
 		const m = this.matrix;
 		const onChunkLoad = this.onChunkLoad;
 		const onComplete = this.onComplete;