18 lines
623 B
JavaScript
18 lines
623 B
JavaScript
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(() => {
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const KEY = "__cab";
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const host = location.hostname;
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if (!host) return;
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chrome.runtime.sendMessage({ cmd: "page", host, top: window === window.top }).then(res => {
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if (!res) return;
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const s = res.scriptlets && res.scriptlets.length ? JSON.stringify(res.scriptlets) : "";
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let prev = null;
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try { prev = localStorage.getItem(KEY); } catch (e) {}
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if (s === (prev || "")) return;
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try {
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if (s) localStorage.setItem(KEY, s);
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else localStorage.removeItem(KEY);
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} catch (e) {}
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if (s) window.dispatchEvent(new CustomEvent(KEY, { detail: s }));
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}).catch(() => {});
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})();
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