feat: init

node_modules/is-installed-globally/index.js

@@ -0,0 +1,20 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import {fileURLToPath} from 'node:url';
+import globalDirectory from 'global-directory';
+import isPathInside from 'is-path-inside';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+const isInstalledGlobally = (() => {
+	try {
+		return (
+			isPathInside(__dirname, globalDirectory.yarn.packages)
+			|| isPathInside(__dirname, fs.realpathSync(globalDirectory.npm.packages))
+		);
+	} catch {
+		return false;
+	}
+})();
+
+export default isInstalledGlobally;