Cocos Creator Unavailable in colyseus.js 0.15

[long51xy]

Cocos Creator 3.81

Test.ts:20 TypeError: (intermediate value)(intermediate value)(intermediate value) is not a constructor at Test.connect (Test.ts:18:27) at Test.start (Test.ts:13:14) at component-scheduler.ts:280:22 at OneOffInvoker._invoke (component-scheduler.ts:247:13) at OneOffInvoker.invoke (component-scheduler.ts:162:14) at ComponentScheduler.startPhase (component-scheduler.ts:474:27) at Director.tick (director.ts:676:37) at Game._updateCallback (game.ts:1039:22) at Pacer.updateCallback [as _callback] (pacer-web.ts:95:22) at Pacer._handleRAF (pacer-web.ts:121:22)

[human211]

try

import Colyseus from 'db://colyseus-sdk/colyseus.js';
this.client = new Colyseus.Client('ws://localhost:2567');

I dont know why but this works