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