Add hasWallet method to the TypeScript interface

programs/beekeeper/beekeeper_wasm/src/detailed/session.ts

@@ -7,6 +7,10 @@ interface IBeekeeperWalletPassword {
   password: string;
 }
 
+interface IBeekeeperHasWallet {
+  exists: boolean;
+}
+
 interface IBeekeeperWallets {
   wallets: Array<{
     name: string;
@@ -45,6 +49,12 @@ export class BeekeeperSession implements IBeekeeperSession {
     return wallets;
   }
 
+  public hasWallet(name: string): boolean {
+    const result = this.api.extract(this.api.api.has_wallet(this.token, name) as string) as IBeekeeperHasWallet;
+
+    return result.exists;
+  }
+
   public async createWallet(name: string, password: string | undefined, isTemporary: boolean = false): Promise<IWalletCreated> {
     if(typeof password === 'string')
       this.api.extract(this.api.api.create(this.token, name, password, isTemporary) as string);

programs/beekeeper/beekeeper_wasm/src/interfaces.ts

@@ -204,6 +204,17 @@ export interface IBeekeeperSession {
    */
   getInfo(): IBeekeeperInfo;
 
+  /**
+   * Checks if wallet with given name exists
+   *
+   * @param {string} name name of the wallet
+   *
+   * @returns {boolean} `true` if a wallet exists otherwise `false`
+   *
+   * @throws {BeekeeperError} on any beekeeper API-related error (error parsing response, invalid input, timeout error, fs sync error etc.)
+   */
+  hasWallet(name: string): boolean;
+
   /**
    * Lists all of the opened wallets
    *