fix(macros): change invoke binding in generate handler (#1804)

Author: chippers

.changes/cmd-invoke-binding.md

@@ -0,0 +1,5 @@
+---
+"tauri-macros": patch
+---
+
+Fixes a name collision when the command function is named `invoke`.

core/tauri-macros/src/command/handler.rs

@@ -51,12 +51,12 @@ impl From<Handler> for proc_macro::TokenStream {
       wrappers,
     }: Handler,
   ) -> Self {
-    quote::quote!(move |invoke| {
-      let __tauri_cmd__ = invoke.message.command();
+    quote::quote!(move |__tauri_invoke__| {
+      let __tauri_cmd__ = __tauri_invoke__.message.command();
       match __tauri_cmd__ {
-        #(stringify!(#commands) => #wrappers!(#paths, invoke),)*
+        #(stringify!(#commands) => #wrappers!(#paths, __tauri_invoke__),)*
         _ => {
-          invoke.resolver.reject(format!("command {} not found", __tauri_cmd__))
+          __tauri_invoke__.resolver.reject(format!("command {} not found", __tauri_cmd__))
         },
       }
     })

examples/commands/src-tauri/src/commands.rs

@@ -7,6 +7,9 @@ use tauri::{command, State};
 #[command]
 pub fn cmd(_argument: String) {}
 
+#[command]
+pub fn invoke(_argument: String) {}
+
 #[command]
 pub fn simple_command(argument: String) {
   println!("{}", argument);

examples/commands/src-tauri/src/main.rs

@@ -9,7 +9,7 @@
 
 // we move some basic commands to a separate module just to show it works
 mod commands;
-use commands::cmd;
+use commands::{cmd, invoke};
 
 use serde::Deserialize;
 use tauri::{command, Params, State, Window};
@@ -169,6 +169,7 @@ fn main() {
       commands::simple_command,
       commands::stateful_command,
       cmd,
+      invoke,
       async_simple_command,
       future_simple_command,
       async_stateful_command,