When I try to run "ionic lab", nothing bad happened in the terminal:
ng run app:serve --host=0.0.0.0 --port=8100
ionic-lab http://localhost:8100 --host localhost --port 8200 --app-name ion-Dev --app-version 0.0.1
[INFO] Development server running!
Lab: http://localhost:8200
Local: http://localhost:8100
External: http://192.168.0.108:8100
DevApp: ion-Healthbook@8100 on MacBook-Air-de-Jonathan.local
Use Ctrl+C to quit this process
[INFO] Browser window opened to http://localhost:8200!
[ng] Date: 2018-08-11T19:17:47.922Z
[ng] Hash: 2107c976feaae9ab2daf
[ng] Time: 33926ms
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[ng] ℹ ｢wdm｣: Compiled successfully.
But in the browser I don't see anything, in the console shows this error:
Failed to load resource: the server responded with a status of 404 (Not Found)
http://localhost:8200/build/ionlab/ionlab.z0nyl9ye.js
package = "@ionic/lab": "^1.0.6"
If I use "ionic serve" everything works fine.
Maybe If I could change the port of ionic lab.
I'm using Ionic Lab on Ionic 4.0.5.
Thanks!