config+lib: updates to work with SSR apps like NextJS

Author: jamaljsr

lib/util/credentialStore.ts

@@ -189,6 +189,9 @@ export default class LncCredentialStore implements CredentialStore {
 
     /** Loads persisted data from localStorage */
     private _load() {
+        // do nothing if localStorage is not available
+        if (typeof localStorage === 'undefined') return;
+
         try {
             const key = `${STORAGE_KEY}:${this.namespace}`;
             const json = localStorage.getItem(key);
@@ -202,6 +205,9 @@ export default class LncCredentialStore implements CredentialStore {
 
     /** Saves persisted data to localStorage */
     private _save() {
+        // do nothing if localStorage is not available
+        if (typeof localStorage === 'undefined') return;
+
         const key = `${STORAGE_KEY}:${this.namespace}`;
         localStorage.setItem(key, JSON.stringify(this.persisted));
     }

webpack.config.js

@@ -28,6 +28,7 @@ module.exports = {
       name: '@lightninglabs/lnc-web',
       type: "umd",  // see https://webpack.js.org/configuration/output/#outputlibrarytype
     },
+    globalObject: 'this',
     path: path.resolve(__dirname, 'dist'),
   },
 };