Fix: sanitise options before passing to worker-loader

src/index.js

@@ -17,17 +17,26 @@
 import path from 'path';
 import loaderUtils from 'loader-utils';
 
+const comlinkLoaderSpecificOptions = ['multiple', 'multi', 'singleton'];
+
 export default function loader () { }
 
 loader.pitch = function (request) {
   const options = loaderUtils.getOptions(this) || {};
   const multi = options.multiple || options.multi || options.singleton === false;
+  const workerLoaderOptions = { ...options };
+
+  comlinkLoaderSpecificOptions.forEach(key => {
+    if (workerLoaderOptions[key]) {
+      delete workerLoaderOptions[key];
+    }
+  });
 
   return `
     import {Comlink} from 'comlinkjs';
     ${multi ? '' : 'var inst;'}
     export default function f() {
-      ${multi ? 'var inst =' : 'inst = inst ||'} Comlink.proxy(require('!worker-loader?${JSON.stringify(options)}!${path.resolve(__dirname, 'comlink-worker-loader.js')}!${request}')());
+      ${multi ? 'var inst =' : 'inst = inst ||'} Comlink.proxy(require('!worker-loader?${JSON.stringify(workerLoaderOptions)}!${path.resolve(__dirname, 'comlink-worker-loader.js')}!${request}')());
       return this instanceof f ? new inst : inst;
     }
   `.replace(/\n\s*/g, '');