chore: format code

src/WebComponent.js

@@ -148,7 +148,8 @@ export class WebComponent extends HTMLElement {
           effectsMap[prop].push(value.callback);
         } else if (typeMap[prop] !== typeof value) {
           throw TypeError(
-            `Cannot assign ${typeof value} to ${typeMap[prop]
+            `Cannot assign ${typeof value} to ${
+              typeMap[prop]
             } property (setting '${prop}' of ${meta.constructor.name})`
           );
         } else if (oldValue !== value) {