remove direct process.env access, replacing with getEnv helper

Author: nicknisi

src/workos.ts

@@ -36,6 +36,7 @@ import { Actions } from './actions/actions';
 import { Vault } from './vault/vault';
 import { ConflictException } from './common/exceptions/conflict.exception';
 import { CryptoProvider } from './common/crypto/crypto-provider';
+import { getEnv } from './common/utils/env';
 
 const VERSION = '8.0.0-beta.2';
 
@@ -72,10 +73,7 @@ export class WorkOS {
   ) {
     if (!key) {
       // process might be undefined in some environments
-      this.key =
-        typeof process !== 'undefined'
-          ? process?.env.WORKOS_API_KEY
-          : undefined;
+      this.key = getEnv('WORKOS_API_KEY');
 
       if (!this.key) {
         throw new NoApiKeyProvidedException();
@@ -87,8 +85,8 @@ export class WorkOS {
     }
 
     this.clientId = this.options.clientId;
-    if (!this.clientId && typeof process !== 'undefined') {
-      this.clientId = process?.env.WORKOS_CLIENT_ID;
+    if (!this.clientId) {
+      this.clientId = getEnv('WORKOS_CLIENT_ID');
     }
 
     const protocol: string = this.options.https ? 'https' : 'http';