IOnic angular prod compiler error Property 'md' does not exist on type

Question

Hi for the following code

<ion-segment value="{{selectedWor}}" (ionChange)="worshipTypeChanged($event)" [mode]="md">

I am getting the following error when i run: ionic build --prod. (no compiler error without --prod)

ERROR in src/app/pages/map/map.html(38,85): Property 'md' does not exist on type 'MapPage'.

[ERROR] An error occurred while running subprocess ng.

        ng.cmd run app:build:production exited with exit code 1.

        Re-running this command with the --verbose flag may provide more information.

Any ideas? The documentation says i can do it..

Here is my ionic info.

Ionic:

Ionic CLI : 5.4.6 (C:\Users\ginil\AppData\Roaming\npm\node_modules\ionic) Ionic Framework : @ionic/angular 5.0.4
@angular-devkit/build-angular : 0.803.24 @angular-devkit/schematics : 8.3.20 @angular/cli : 8.3.20
@ionic/angular-toolkit : 2.2.0

Cordova:

Cordova CLI : 8.1.2 ([email protected]) Cordova Platforms : not available Cordova Plugins : not available

Utility:

cordova-res : 0.5.1 native-run : 0.2.7

System:

NodeJS : v11.11.0 (C:\Program Files\nodejs\node.exe) npm : 6.7.0 OS : Windows 10

see the 'mode' property in ionicframework.com/docs/api/segment — GMan
– GMan, Commented Mar 25, 2020 at 7:58

Paresh Gami · Accepted Answer · 2020-03-26 04:39:17Z

1

You are using mode as two way binding variable so you have to declare md in ts file.

There are two way to use mode property

1)

<ion-segment value="{{selectedWor}}" (ionChange)="worshipTypeChanged($event)" mode="md">

2)

html

<ion-segment value="{{selectedWor}}" (ionChange)="worshipTypeChanged($event)" [mode]="md">

ts

md = 'md'

answered Mar 26, 2020 at 4:39

Paresh Gami

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