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27 lines
1.0 KiB
27 lines
1.0 KiB
'use strict';
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// preventing reregistration if reinjected by tabs.executeScript for whatever reason, just in case
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if (typeof window.oldCode !== 'string') {
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window.oldCode = (document.querySelector('body > pre') || document.body).textContent;
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chrome.runtime.onConnect.addListener(port => {
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if (port.name !== 'downloadSelf') return;
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port.onMessage.addListener(async ({id, force}) => {
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const msg = {id};
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try {
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const code = await (await fetch(location.href, {mode: 'same-origin'})).text();
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if (code !== window.oldCode || force) {
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msg.code = window.oldCode = code;
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}
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} catch (error) {
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msg.error = error.message || `${error}`;
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}
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port.postMessage(msg);
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});
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// FF keeps content scripts connected on navigation https://github.com/openstyles/stylus/issues/864
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addEventListener('pagehide', () => port.disconnect(), {once: true});
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});
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}
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// passing the result to tabs.executeScript
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window.oldCode; // eslint-disable-line no-unused-expressions
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