Current File : //lib/node_modules/npm/node_modules/tough-cookie/lib/permuteDomain.js
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"use strict";
var pubsuffix = require('./pubsuffix-psl');
// Gives the permutation of all possible domainMatch()es of a given domain. The
// array is in shortest-to-longest order. Handy for indexing.
function permuteDomain (domain) {
var pubSuf = pubsuffix.getPublicSuffix(domain);
if (!pubSuf) {
return null;
}
if (pubSuf == domain) {
return [domain];
}
var prefix = domain.slice(0, -(pubSuf.length + 1)); // ".example.com"
var parts = prefix.split('.').reverse();
var cur = pubSuf;
var permutations = [cur];
while (parts.length) {
cur = parts.shift() + '.' + cur;
permutations.push(cur);
}
return permutations;
}
exports.permuteDomain = permuteDomain;
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