I have a pipe
@Pipe({name: 'keys'})
export class KeysPipe implements PipeTransform {
transform(value, args:string[]) : any {
.....
return keys;
}
}
I have two modules in which I need to use this. If I do something like this in both the modules, I get an error saying that "two modules declare KeysPipe"
Module1, Module2:
declarations: [KeysPipe],
I then tried exporting KeysPipe through it's own module so that I can import it in to the two modules in which I need to use it
@NgModule({
declarations: [ KeysPipe],
})
export class KeysPipeModule {
}
Now I'm importing the KeysPipeModule in the two modules I need to use KeysPipe
Module1, Module2:
imports: [KeysPipeModule],
But now I get a different template error saying that the pipe isn't found "The pipe 'keys' could not be found ("v *ngIf="docalc">"
You're on the right track the only thing your code is missing is the export in the KeysPipeModule. This is what it should look like:
@NgModule({
declarations: [ KeysPipe],
exports: [KeysPipe]
})
export class KeysPipeModule {}
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