focus_wasm.go

// Copyright (c) 2022 Elias Daler
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 3 of the GNU General Public
// License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

package main

import "syscall/js"

// this makes sure that focus is enabled by default when running on itch.io
func focus() {
	doc := js.Global().Get("document")
	canvas := doc.Call("getElementsByTagName", "canvas").Index(0)
	canvas.Call("focus")
}