1 files changed, 23 insertions, 0 deletions
diff --git a/src/background/tabs.js b/src/background/tabs.js
new file mode 100644
index 0000000..000bd7d
--- /dev/null
+++ b/src/background/tabs.js
@@ -0,0 +1,23 @@
+const selectPrevTab = (current, count) => {
+  chrome.tabs.query({ currentWindow: true }, (tabs) => {
+    if (tabs.length < 2) {
+      return;
+    }
+    let select = (current - count) % tabs.length
+    let id = tabs[select].id;
+    chrome.tabs.update(id, { active: true })
+  });
+};
+
+const selectNextTab = (current, count) => {
+  chrome.tabs.query({ currentWindow: true }, (tabs) => {
+    if (tabs.length < 2) {
+      return;
+    }
+    let select = (current + count + tabs.length) % tabs.length
+    let id = tabs[select].id;
+    chrome.tabs.update(id, { active: true })
+  });
+};
+
+export { selectNextTab, selectPrevTab };