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authorsiikamiika <siikamiika@users.noreply.github.com>2020-03-02 23:26:55 +0200
committersiikamiika <siikamiika@users.noreply.github.com>2020-03-02 23:26:55 +0200
commite6347a94e7ff0b7a5c1db7e6f83f50d93c2d4545 (patch)
treec4d58c3d9f8dbc3f46fbe50bde837755197a3109 /ext/bg/js/backend.js
parenta05a05c4f49d97f44dc3e1599906047c4a346512 (diff)
prepare Backend for browser_action
Diffstat (limited to 'ext/bg/js/backend.js')
-rw-r--r--ext/bg/js/backend.js5
1 files changed, 5 insertions, 0 deletions
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index be43ecf6..14b0aff1 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -278,6 +278,11 @@ class Backend {
// Message handlers
async _onApiYomichanCoreReady(_params, sender) {
+ // tab ID isn't set in background (e.g. browser_action)
+ if (typeof sender.tab === 'undefined') {
+ return chrome.runtime.sendMessage({action: 'backendPrepared'});
+ }
+
const tabId = sender.tab.id;
return new Promise((resolve) => {
chrome.tabs.sendMessage(tabId, {action: 'backendPrepared'}, resolve);