popup: handle right click too

windows/popup.ts

@@ -8,23 +8,27 @@ declare let chrome: any;
 
 const runtime = browser !== "undefined" ? browser.runtime : chrome.runtime;
 
+function handler(e: Event) {
+  e.preventDefault();
+  let target = e.target as HTMLElement;
+  if (!target) {
+    return;
+  }
+  while (target) {
+    const {action} = target.dataset;
+    if (!action) {
+      target = target.parentElement as HTMLElement;
+      continue;
+    }
+    runtime.sendMessage(action);
+    close();
+    return;
+  }
+}
+
 addEventListener("DOMContentLoaded", () => {
   localize(document.documentElement);
 
-  document.body.addEventListener("click", e => {
-    let target = e.target as HTMLElement;
-    if (!target) {
-      return;
-    }
-    while (target) {
-      const {action} = target.dataset;
-      if (!action) {
-        target = target.parentElement as HTMLElement;
-        continue;
-      }
-      runtime.sendMessage(action);
-      close();
-      return;
-    }
-  });
+  document.body.addEventListener("contextmenu", handler);
+  document.body.addEventListener("click", handler);
 });