diff options
| -rw-r--r-- | packages/taler-wallet-webextension/src/platform/chrome.ts | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/packages/taler-wallet-webextension/src/platform/chrome.ts b/packages/taler-wallet-webextension/src/platform/chrome.ts index e4ebfbae5..be7dd40f9 100644 --- a/packages/taler-wallet-webextension/src/platform/chrome.ts +++ b/packages/taler-wallet-webextension/src/platform/chrome.ts @@ -326,7 +326,6 @@ function registerTalerHeaderListener(callback: (tabId: number, url: string) => v return; } const prevHeaderListener = currentHeaderListener; - currentHeaderListener = headerListener; getPermissionsApi().containsHostPermissions().then(result => { //if there is a handler already, remove it @@ -338,11 +337,15 @@ function registerTalerHeaderListener(callback: (tabId: number, url: string) => v } //if the result was positive, add the headerListener if (result) { - chrome?.webRequest?.onHeadersReceived?.addListener( - headerListener, - { urls: ["<all_urls>"] }, - ["responseHeaders"], - ); + const listener: chrome.webRequest.WebResponseHeadersEvent | undefined = chrome?.webRequest?.onHeadersReceived; + if (listener) { + listener.addListener( + headerListener, + { urls: ["<all_urls>"] }, + ["responseHeaders"], + ); + currentHeaderListener = headerListener; + } } //notify the browser about this change, this operation is expensive chrome?.webRequest?.handlerBehaviorChanged(() => { |