How to use ion-* components inside custom ionic component

If you creating an Ionic application and trying to use ion-*tags inside custom Ionic components then you will get some errors like-

Template parse errors:
'ion-card' is not a known element:
1. If 'ion-card' is an Angular component, then verify that it is part of this module.
2. If 'ion-card' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.

I was working on an Ionic project and started getting this error when I created a custom component. I searched over Google for one day and wasted time but nothing worked. I found one line of solution somewhere in Ionic Forum site and thought to write this for everyone out there struggling for the same issue.

Steps to resolve the issue-

1. Generate the component

Generate a component using command ionic generate component <component-name>. You will see a component is generated in components folder along with a module file components.module.ts

2. Import ComponentsModule

You have to import the components.module.ts file in app.module.ts to make your component available for use.

3. Update ComponentsModule

Now the last and most important part is:- Import IonicPageModule in ComponentsModule file. This one line would solve the Template parse errors in Ionic components. The components.module.ts file should look like this-

Check the screenshot for reference-


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