uBlock/platform/mv3/extension/js/utils.js

59 lines
1.7 KiB
JavaScript

/*******************************************************************************
uBlock Origin - a browser extension to block requests.
Copyright (C) 2022-present Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
/* jshint esversion:11 */
'use strict';
/******************************************************************************/
function parsedURLromOrigin(origin) {
try {
return new URL(origin);
} catch(ex) {
}
}
/******************************************************************************/
const toBroaderHostname = hn => {
if ( hn === '*' ) { return ''; }
const pos = hn.indexOf('.');
return pos !== -1 ? hn.slice(pos+1) : '*';
};
/******************************************************************************/
const fnameFromFileId = fid =>
fid.toString(32).padStart(7, '0');
const fidFromFileName = fname =>
parseInt(fname, 32);
/******************************************************************************/
export {
parsedURLromOrigin,
toBroaderHostname,
fnameFromFileId,
fidFromFileName,
};