Ducktype

Author: JoviDeCroock

package-lock.json

@@ -113,6 +113,7 @@
 		"@babel/register": "^7.12.10",
 		"@changesets/changelog-github": "^0.4.1",
 		"@changesets/cli": "^2.18.0",
+		"@preact/signals-core": "^1.11.0",
 		"baseline-rts": "npm:preact-render-to-string@latest",
 		"benchmarkjs-pretty": "^2.0.1",
 		"check-export-map": "^1.3.1",
@@ -147,8 +148,5 @@
 	},
 	"publishConfig": {
 		"provenance": true
-	},
-	"dependencies": {
-		"@preact/signals-core": "^1.11.0"
 	}
 }

package.json

@@ -744,5 +744,10 @@ export const render = renderToString;
 export const renderToStaticMarkup = renderToString;
 
 function isSignal(x) {
-	return x instanceof Signal;
+	return (
+		x !== null &&
+		typeof x === 'object' &&
+		typeof x.peek === 'function' &&
+		'value' in x
+	);
 }