Wrappers for dealing with variations in userscript managers.
Per
Dit script moet niet direct worden geïnstalleerd - het is een bibliotheek voor andere scripts om op te nemen met de meta-richtlijn // @require https://update.greasyfork.org/scripts/478349/1270856/NH_userscript.js
// ==UserScript==
// ==UserLibrary==
// @name NH_userscript
// @description Wrappers for dealing with variations in userscript managers.
// @version 0
// @license GPL-3.0-or-later; https://www.gnu.org/licenses/gpl-3.0-standalone.html
// @homepageURL https://github.com/nexushoratio/userscripts
// @supportURL https://github.com/nexushoratio/userscripts/issues
// @match https://www.example.com/*
// ==/UserLibrary==
// @namespace https://greasyfork.org/users/1139937
// ==/UserScript==
window.NexusHoratio ??= {};
window.NexusHoratio.userscript = (function base() {
'use strict';
/** @type {number} - Bumped per release. */
const version = 0;
/** Library specific exception. */
class UserscriptError extends Error {
/** @inheritdoc */
constructor(...rest) {
super(...rest);
this.name = this.constructor.name;
}
}
/**
* @typedef LicenseData
* @property {string} name - License name.
* @property {string} url - URL pointing to the license.
*/
/**
* Per the *old* GM docs:
* https://sourceforge.net/p/greasemonkey/wiki/Metadata_Block/#license
* @returns {LicenseData} - Extracted from the userscript header.
* @throws {Error} - If cannot be extracted.
*/
function licenseData() {
let license = GM.info.script.license;
if (!license) {
const magic = '// @license ';
// Try Tampermonkey's way.
const header = GM.info.script.header;
if (header) {
const line = header.split('\n').find(l => l.startsWith(magic));
if (line) {
license = line.slice(magic.length).trim();
}
}
}
if (!license) {
const msg = [
'Unable to extract license information from the userscript.',
// eslint-disable-next-line no-magic-numbers
JSON.stringify(GM.info.script, null, 2),
].join('\n');
throw new UserscriptError(msg);
}
const [name, url] = license.split(';');
return {
name: name.trim(),
url: url.trim(),
};
}
return {
version: version,
UserscriptError: UserscriptError,
licenseData: licenseData,
};
}());