ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
34 lines • 3.54 kB
JavaScript
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
import { Pipe } from '@angular/core';
import { sum } from 'ng-zorro-antd/core/util';
export class NzAggregatePipe {
transform(value, method) {
if (!Array.isArray(value)) {
return value;
}
if (value.length === 0) {
return undefined;
}
switch (method) {
case 'sum':
return sum(value);
case 'avg':
return sum(value) / value.length;
case 'max':
return Math.max(...value);
case 'min':
return Math.min(...value);
default:
throw Error(`Invalid Pipe Arguments: Aggregate pipe doesn't support this type`);
}
}
}
NzAggregatePipe.decorators = [
{ type: Pipe, args: [{
name: 'nzAggregate'
},] }
];
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