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49 lines
1.2 KiB
TypeScript
49 lines
1.2 KiB
TypeScript
/*
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GoToSocial
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Copyright (C) GoToSocial Authors admin@gotosocial.org
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SPDX-License-Identifier: AGPL-3.0-or-later
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import isValidDomain from "is-valid-domain";
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/**
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* Validate the "domain" field of a form.
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* @param domain
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* @returns
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*/
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export function formDomainValidator(domain: string): string {
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if (domain.length === 0) {
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return "";
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}
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if (domain[domain.length-1] === ".") {
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return "invalid domain";
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}
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const valid = isValidDomain(domain, {
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subdomain: true,
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wildcard: false,
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allowUnicode: true,
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topLevel: false,
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});
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if (valid) {
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return "";
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}
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return "invalid domain";
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}
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