fix: Added installed and mobile check for near snap (#938)

* added isInstall method for near-snap

* added isMobile method for near-snap

* fixed check for nightly

* removed default wallet from documentation

README.md

@@ -67,7 +67,6 @@ yarn add \
   @near-wallet-selector/ledger \
   @near-wallet-selector/wallet-connect \
   @near-wallet-selector/nightly-connect \
-  @near-wallet-selector/default-wallets \
   @near-wallet-selector/coin98-wallet \
   @near-wallet-selector/opto-wallet \
   @near-wallet-selector/neth \
@@ -90,7 +89,6 @@ npm install \
   @near-wallet-selector/ledger \
   @near-wallet-selector/wallet-connect \
   @near-wallet-selector/nightly-connect \
-  @near-wallet-selector/default-wallets \
   @near-wallet-selector/coin98-wallet \
   @near-wallet-selector/opto-wallet \
   @near-wallet-selector/neth \

packages/near-snap/src/lib/index.ts

@@ -1,14 +1,46 @@
+import { isMobile } from "is-mobile";
 import type { WalletModuleFactory } from "@near-wallet-selector/core";
 import { initNearSnap } from "./selector";
 import icon from "./icon";
 
 export { icon };
 
+declare global {
+  interface Window {
+    ethereum: {
+      chainId: string;
+      // eslint-disable-next-line
+      request: any;
+    };
+  }
+}
+
+const isInstalled = async (): Promise<boolean> => {
+  try {
+    const provider = window.ethereum;
+    const clientVersion = await provider?.request({
+      method: "web3_clientVersion",
+    });
+
+    const isFlaskDetected = (clientVersion as Array<string>)?.includes("flask");
+    return Boolean(provider && isFlaskDetected);
+  } catch {
+    return false;
+  }
+};
+
 export function setupNearSnap({
   deprecated = false,
   iconUrl = icon,
 } = {}): WalletModuleFactory {
   return async () => {
+    const mobile = isMobile();
+    if (mobile) {
+      return null;
+    }
+
+    const installed = await isInstalled();
+
     return {
       id: "near-snap",
       type: "injected",
@@ -19,7 +51,7 @@ export function setupNearSnap({
         downloadUrl: "https://near-snap.surge.sh",
         iconUrl,
         deprecated,
-        available: true,
+        available: installed,
       },
     };
   };

packages/nightly/src/lib/nightly.ts

@@ -193,7 +193,7 @@ const Nightly: WalletBehaviourFactory<InjectedWallet> = async ({
         state,
       });
 
-      if (_state.wallet.isConnected) {
+      if (!_state.wallet.isConnected) {
         await _state.wallet.connect();
       }