🎉 initiate project *astro_rewrite*

node_modules/default-browser/windows.js

@@ -0,0 +1,37 @@
+import {execa} from 'execa';
+
+// Windows doesn't have browser IDs in the same way macOS/Linux does so we give fake
+// ones that look real and match the macOS/Linux versions for cross-platform apps.
+const windowsBrowserProgIds = {
+	AppXq0fevzme2pys62n3e0fbqa7peapykr8v: {name: 'Edge', id: 'com.microsoft.edge.old'},
+	MSEdgeDHTML: {name: 'Edge', id: 'com.microsoft.edge'}, // On macOS, it's "com.microsoft.edgemac"
+	MSEdgeHTM: {name: 'Edge', id: 'com.microsoft.edge'}, // Newer Edge/Win10 releases
+	'IE.HTTP': {name: 'Internet Explorer', id: 'com.microsoft.ie'},
+	FirefoxURL: {name: 'Firefox', id: 'org.mozilla.firefox'},
+	ChromeHTML: {name: 'Chrome', id: 'com.google.chrome'},
+};
+
+export class UnknownBrowserError extends Error {}
+
+export default async function defaultBrowser(_execa = execa) {
+	const result = await _execa('reg', [
+		'QUERY',
+		' HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\http\\UserChoice',
+		'/v',
+		'ProgId',
+	]);
+
+	const match = /ProgId\s*REG_SZ\s*(?<id>\S+)/.exec(result.stdout);
+	if (!match) {
+		throw new UnknownBrowserError(`Cannot find Windows browser in stdout: ${JSON.stringify(result.stdout)}`);
+	}
+
+	const {id} = match.groups;
+
+	const browser = windowsBrowserProgIds[id];
+	if (!browser) {
+		throw new UnknownBrowserError(`Unknown browser ID: ${id}`);
+	}
+
+	return browser;
+}