Fix browser entry

package.json

@@ -1,6 +1,6 @@
 {
   "name": "isbot",
-  "version": "5.1.5",
+  "version": "5.1.6-rc.1",
   "description": "🤖/👨‍🦰 Recognise bots/crawlers/spiders using the user agent string.",
   "keywords": [
     "bot",

scripts/build/procedure.sh

@@ -15,7 +15,7 @@ esbuild src/index.ts --outfile=index.mjs --bundle --platform=neutral --format=es
 failures=$((failures + $?))
 
 echo "→ Build browser file (iife)"
-esbuild src/browser.ts --outfile=index.iife.js --bundle --platform=neutral --format=iife --global-name=isbot --log-level=warning --target=es2016
+esbuild src/browser.ts --outfile=index.iife.js --bundle --platform=neutral --format=iife --log-level=warning --target=es2016
 failures=$((failures + $?))
 
 echo "→ Build TypeScript declaration file"

src/browser.ts

@@ -1,3 +1,19 @@
 import { isbot } from ".";
 
-export default isbot;
+(function () {
+	if (typeof globalThis === "object") {
+		globalThis.isbot = isbot;
+		return;
+	}
+	if (typeof window === "object") {
+		window.isbot = isbot;
+		return;
+	}
+	if (typeof global === "object") {
+		global.isbot = isbot;
+		return;
+	}
+	if (typeof self === "object") {
+		self.isbot = isbot;
+	}
+})();