stylus/dist/content/install-hook-greasyfork.js
2021-12-12 21:32:50 +08:00

22 lines
736 B
JavaScript

/* global API */// msg.js
'use strict';
// onCommitted may fire twice
// Note, we're checking against a literal `1`, not just `if (truthy)`,
// because <html id="INJECTED"> is exposed per HTML spec as a global variable and `window.INJECTED`.
if (window.INJECTED_GREASYFORK !== 1) {
window.INJECTED_GREASYFORK = 1;
addEventListener('message', async function onMessage(e) {
if (e.origin === location.origin &&
e.data &&
e.data.name &&
e.data.type === 'style-version-query') {
removeEventListener('message', onMessage);
const style = await API.usercss.find(e.data) || {};
const {version} = style.usercssData || {};
postMessage({type: 'style-version', version}, '*');
}
});
}