/usr/local/lib/node_modules/pm2/node_modules/ip-address/src/v6
Edit: /usr/local/lib/node_modules/pm2/node_modules/ip-address/src/v6/helpers.ts (1464B)
import { sprintf } from 'sprintf-js';
/**
* @returns {String} the string with all zeroes contained in a
*/
export function spanAllZeroes(s: string): string {
return s.replace(/(0+)/g, '$1');
}
/**
* @returns {String} the string with each character contained in a
*/
export function spanAll(s: string, offset: number = 0): string {
const letters = s.split('');
return letters
.map(
(n, i) =>
sprintf(
'%s',
n,
i + offset,
spanAllZeroes(n)
) // XXX Use #base-2 .value-0 instead?
)
.join('');
}
function spanLeadingZeroesSimple(group: string): string {
return group.replace(/^(0+)/, '$1');
}
/**
* @returns {String} the string with leading zeroes contained in a
*/
export function spanLeadingZeroes(address: string): string {
const groups = address.split(':');
return groups.map((g) => spanLeadingZeroesSimple(g)).join(':');
}
/**
* Groups an address
* @returns {String} a grouped address
*/
export function simpleGroup(addressString: string, offset: number = 0): string[] {
const groups = addressString.split(':');
return groups.map((g, i) => {
if (/group-v4/.test(g)) {
return g;
}
return sprintf(
'%s',
i + offset,
spanLeadingZeroesSimple(g)
);
});
}