feat(plugins): inject API on window.__TAURI__ (#383)

plugins/window-state/guest-js/index.ts

@@ -2,7 +2,11 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-License-Identifier: MIT
 
-import { invoke } from "@tauri-apps/api/tauri";
+declare global {
+  interface Window {
+    __TAURI_INVOKE__: <T>(cmd: string, args?: unknown) => Promise<T>;
+  }
+}
 
 interface WindowDef {
   label: string;
@@ -31,14 +35,17 @@ export enum StateFlags {
  *  Save the state of all open windows to disk.
  */
 async function saveWindowState(flags: StateFlags) {
-  invoke("plugin:window-state|save_window_state", { flags });
+  window.__TAURI_INVOKE__("plugin:window-state|save_window_state", { flags });
 }
 
 /**
  *  Restore the state for the specified window from disk.
  */
 async function restoreState(label: string, flags: StateFlags) {
-  invoke("plugin:window-state|restore_state", { label, flags });
+  window.__TAURI_INVOKE__("plugin:window-state|restore_state", {
+    label,
+    flags,
+  });
 }
 
 /**

plugins/window-state/src/api-iife.js

@@ -0,0 +1 @@
+if("__TAURI__"in window){var __TAURI_WINDOWSTATE__=function(_){"use strict";var t;async function e(_,t){window.__TAURI_INVOKE__("plugin:window-state|restore_state",{label:_,flags:t})}return _.StateFlags=void 0,(t=_.StateFlags||(_.StateFlags={}))[t.SIZE=1]="SIZE",t[t.POSITION=2]="POSITION",t[t.MAXIMIZED=4]="MAXIMIZED",t[t.VISIBLE=8]="VISIBLE",t[t.DECORATIONS=16]="DECORATIONS",t[t.FULLSCREEN=32]="FULLSCREEN",t[t.ALL=63]="ALL",_.restoreState=e,_.restoreStateCurrent=async function(_){e(window.__TAURI_METADATA__.__currentWindow.label,_)},_.saveWindowState=async function(_){window.__TAURI_INVOKE__("plugin:window-state|save_window_state",{flags:_})},_}({});Object.defineProperty(window.__TAURI__,"windowState",{value:__TAURI_WINDOWSTATE__})}

plugins/window-state/src/lib.rs

@@ -282,6 +282,7 @@ impl Builder {
     pub fn build<R: Runtime>(self) -> TauriPlugin<R> {
         let flags = self.state_flags;
         PluginBuilder::new("window-state")
+            .js_init_script(include_str!("api-iife.js").to_string())
             .invoke_handler(tauri::generate_handler![
                 cmd::save_window_state,
                 cmd::restore_state