29 lines
707 B
TypeScript
29 lines
707 B
TypeScript
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import { Pipe, PipeTransform } from '@angular/core';
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@Pipe({ name: 'ipSort' })
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export class IPSort implements PipeTransform {
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transform(array: any[], field: string): any[] {
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array.sort((a: any, b: any) => {
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a = this.ip2num(a[field]);
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b = this.ip2num(b[field]);
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if (a < b) {
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return -1;
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} else if (a > b) {
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return 1;
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} else {
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return 0;
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}
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});
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return array;
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}
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ip2num(ip: string): number {
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return ip.split('.').map((octet, index, array) => {
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// tslint:disable-next-line:radix
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return parseInt(octet) * Math.pow(256, (array.length - index - 1));
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}).reduce((prev, curr) => {
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return prev + curr;
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});
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}
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}
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