// ==UserScript==
// @name               gm-import-export
// @description        Helper functions for importing and exporting stored values.
// @author             Jason Kwok
// @namespace          https://jasonhk.dev/
// @version            1.0.0
// @license            MIT
// ==/UserScript==
function GM_importValues(values, cleanImport = false)
{
if (cleanImport)
{
for (const key of GM_listValues())
{
GM_deleteValue(key);
}
}
for (const key of Object.keys(values))
{
GM_setValue(key, values[key]);
}
}
function GM_exportValues()
{
const values = {};
for (const key of GM_listValues())
{
values[key] = GM_getValue(key);
}
return values;
}
GM.importValues = async function importValues(values, cleanImport = false)
{
if (cleanImport)
{
const promises = [];
for (const key of await GM.listValues())
{
promises.push(GM.deleteValue(key));
}
await Promise.all(promises);
}
const promises = [];
for (const key of Object.keys(values))
{
promises.push(GM.setValue(key, values[key]));
}
await Promise.all(promises);
}
GM.exportValues = async function exportValues()
{
const keys = await GM.listValues();
const promises = [];
for (const key of keys)
{
promises.push(GM.getValue(key));
}
const values = await Promise.all(promises);
return Object.fromEntries(keys.map((key, i) => [key, values[i]]));
}