38 lines
978 B
JavaScript
38 lines
978 B
JavaScript
import browser from "webextension-polyfill";
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const EXTENSION = "nostrconnect";
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// inject the script that will provide window.nostr
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const script = document.createElement("script");
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script.setAttribute("async", "false");
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script.setAttribute("type", "text/javascript");
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script.setAttribute("src", browser.runtime.getURL("nostr-provider.js"));
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document.head.appendChild(script);
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// listen for messages from that script
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window.addEventListener("message", async (message) => {
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if (message.source !== window) return;
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if (!message.data) return;
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if (!message.data.params) return;
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if (message.data.ext !== EXTENSION) return;
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// pass on to background
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let response;
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try {
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response = await browser.runtime.sendMessage({
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type: message.data.type,
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params: message.data.params,
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host: location.host,
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});
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} catch (error) {
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response = { error };
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}
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// return response
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window.postMessage(
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{ id: message.data.id, ext: EXTENSION, response },
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message.origin,
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);
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});
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