Fix invoke calls in dialog & shell init scripts (#675)

Co-authored-by: Lucas Nogueira <lucas@tauri.studio>

plugins/shell/guest-js/init.ts

@@ -0,0 +1,40 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import { invoke } from "@tauri-apps/api/primitives";
+
+// open <a href="..."> links with the API
+function openLinks() {
+  document.querySelector("body")?.addEventListener("click", function (e) {
+    let target = e.target as HTMLElement;
+    while (target != null) {
+      if (target.matches("a")) {
+        const t = target as HTMLAnchorElement;
+        if (
+          t.href &&
+          ["http://", "https://", "mailto:", "tel:"].some((v) =>
+            t.href.startsWith(v),
+          ) &&
+          t.target === "_blank"
+        ) {
+          invoke("plugin:shell|open", {
+            path: t.href,
+          });
+          e.preventDefault();
+        }
+        break;
+      }
+      target = target.parentElement as HTMLElement;
+    }
+  });
+}
+
+if (
+  document.readyState === "complete" ||
+  document.readyState === "interactive"
+) {
+  openLinks();
+} else {
+  window.addEventListener("DOMContentLoaded", openLinks, true);
+}