Browsercompatibility (#52)

* polyfills

* v5.3.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "configcat-common",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "description": "ConfigCat is a configuration as a service that lets you manage your features and configurations without actually deploying new code.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",

src/Polyfills.ts

@@ -0,0 +1,12 @@
+export function setupPolyfills() {
+    if (!(Object as any).fromEntries) {
+        (Object as any).fromEntries = function (entries: any) {
+            if (!entries || !entries[Symbol.iterator]) { throw new Error('Object.fromEntries() requires a single iterable argument'); }
+            let obj: any = {};
+            for (let [key, value] of entries) {
+                obj[key] = value;
+            }
+            return obj;
+        };
+    }
+}

src/index.ts

@@ -2,6 +2,9 @@ import { ConfigCatClient, IConfigCatClient } from "./ConfigCatClient";
 import { AutoPollOptions, ManualPollOptions, LazyLoadOptions, IOptions, OptionsBase } from "./ConfigCatClientOptions";
 import { ProjectConfig } from "./ProjectConfig";
 import { ConfigCatConsoleLogger } from "./ConfigCatLogger";
+import { setupPolyfills } from "./Polyfills";
+
+setupPolyfills();
 
 /**
  * Create an instance of ConfigCatClient and setup AutoPoll mode