adds tests + fixes condition

Author: arch1995

package-lock.json

@@ -72,7 +72,7 @@
     "vitest": "^2.1.5"
   },
   "optionalDependencies": {
-    "@rollup/rollup-linux-x64-gnu": ""
+    "@rollup/rollup-linux-x64-gnu": "^4.28.0"
   },
   "lint-staged": {
     "!(*d).ts": [

package.json

@@ -93,7 +93,7 @@ export class Web3Auth extends SafeEventEmitter<Web3AuthSfaEvents> implements IWe
       mode: options.mode || SDK_MODE.WEB,
     };
 
-    this.coreOptions.useDkg = this.isSapphireNetwork() ? options.useDkg || true : true;
+    this.coreOptions.useDkg = this.isSapphireNetwork() ? (options.useDkg ?? true) : true;
 
     this.privKeyProvider = options.privateKeyProvider;
     if (options.accountAbstractionProvider) {

src/Web3Auth.ts

@@ -125,6 +125,16 @@ describe("SFA SDK unit tests", function () {
       expect(web3auth.provider).not.toEqual(privateKeyProvider);
     });
 
+    it("should set useDkg flag when provided in constructor", async function () {
+      const privateKeyProvider = new EthereumPrivateKeyProvider({
+        config: mainnetChainConfig,
+      });
+
+      const web3auth = new Web3Auth({ clientId: "test", privateKeyProvider, useDkg: false, web3AuthNetwork: "sapphire_devnet" });
+      await web3auth.init();
+      expect(web3auth.coreOptions.useDkg).toEqual(false);
+    });
+
     describe("Default values", function () {
       let privateKeyProvider: EthereumPrivateKeyProvider;
       let web3auth: Web3Auth;
@@ -154,6 +164,10 @@ describe("SFA SDK unit tests", function () {
       it("should set mode to WEB if not provided in constructor", function () {
         expect(web3auth.coreOptions.mode).toBe(SDK_MODE.WEB);
       });
+
+      it("should set dkg to true if not provided in constructor", function () {
+        expect(web3auth.coreOptions.useDkg).toBe(true);
+      });
     });
   });