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@AliwerErgashev
Last active January 25, 2021 17:29
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Angular Pipes Filtering on Multiple Keys
<ul>
<li *ngFor="let item of _items | filter:{ label: filterText, description: filterText } : false">{{ item.value }} - {{ item.label }} - {{ item.description }}</li>
</ul>
@Pipe({
name: 'filter'
})
export class FilterPipe implements PipeTransform {
transform(items: any, filter: any, isAnd: bool): any {
if (filter && Array.isArray(items)) {
let filterKeys = Object.keys(filter);
if (isAnd) {
return items.filter(item =>
filterKeys.reduce((memo, keyName) =>
(memo && new RegExp(filter[keyName], 'gi').test(item[keyName])) || filter[keyName] === "", true));
} else {
return items.filter(item => {
return filterKeys.some((keyName) => {
console.log(keyName);
return new RegExp(filter[keyName], 'gi').test(item[keyName]) || filter[keyName] === "";
});
});
}
} else {
return items;
}
}
}
@Huacnin
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Huacnin commented Jan 25, 2021

Gracias por tu aporte. Me ayudo en parte sobre mi proyecto a la hora de filtrar los datos. EL tema es que no logro solucionar cuando filtro un dato que no está en la pagina seleccionada. Al hacer se blanquea la pantalla. Mi servidor solo muestra 10 items por pagina, probablemente es donde se origina el inconveniente.
Saludos

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