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