provider: check availability of window object

0xsequence · May 18, 2023 · 9c81e4f · 9c81e4f
1 parent ca6ba5a
commit 9c81e4f
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 6 deletions.
diff --git a/packages/provider/src/utils.ts b/packages/provider/src/utils.ts
@@ -145,11 +145,23 @@ export class LocalStorage {
  private constructor() {}
 
  static getInstance(): ItemStore {
- if (!LocalStorage._instance) {
- LocalStorage._instance = {
- getItem: (key: string) => Promise.resolve(window.localStorage.getItem(key)),
- setItem: (key: string, value: string) => Promise.resolve(window.localStorage.setItem(key, value)),
- removeItem: (key: string) => Promise.resolve(window.localStorage.removeItem(key))
+ if (typeof window === 'object') {
+ if (!LocalStorage._instance) {
+ LocalStorage._instance = {
+ getItem: (key: string) => Promise.resolve(window.localStorage.getItem(key)),
+ setItem: (key: string, value: string) => Promise.resolve(window.localStorage.setItem(key, value)),
+ removeItem: (key: string) => Promise.resolve(window.localStorage.removeItem(key))
+ }
+ }
+ } else {
+ // noop local storage if window is not defined
+ // TODO: perhaps add an in-memory local storage if we need?
+ if (!LocalStorage._instance) {
+ LocalStorage._instance = {
+ getItem: (key: string) => Promise.resolve(null),
+ setItem: (key: string, value: string) => Promise.resolve(),
+ removeItem: (key: string) => Promise.resolve()
+ }
  }
  }
  return this._instance

diff --git a/packages/provider/src/wallet.ts b/packages/provider/src/wallet.ts
@@ -133,7 +133,7 @@ export class Wallet implements WalletProvider {
  this.transport.messageProvider = new MuxMessageProvider()
 
  // multiple message provider setup, first one to connect will be the main transport
- if (this.config.transports?.windowTransport?.enabled) {
+ if (this.config.transports?.windowTransport?.enabled && typeof window === 'object') {
  this.transport.windowMessageProvider = new WindowMessageProvider(this.config.walletAppURL)
  this.transport.messageProvider.add(this.transport.windowMessageProvider)
  }