mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-13 22:47:26 +01:00
70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
// Copyright 2017 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build js
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package web
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import (
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"strings"
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"sync"
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"github.com/hajimehoshi/gopherwasm/js"
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)
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var (
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isNodeJSOnce sync.Once
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isNodeJS = false
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)
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func IsNodeJS() bool {
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isNodeJSOnce.Do(func() {
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isNodeJS = js.Global.Get("process") != js.Undefined
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})
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return isNodeJS
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}
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func IsBrowser() bool {
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return !IsNodeJS()
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}
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func IsIOSSafari() bool {
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if IsNodeJS() {
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return false
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}
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ua := js.Global.Get("navigator").Get("userAgent").String()
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if !strings.Contains(ua, "iPhone") {
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return false
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}
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return true
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}
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func IsAndroidChrome() bool {
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if IsNodeJS() {
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return false
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}
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ua := js.Global.Get("navigator").Get("userAgent").String()
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if !strings.Contains(ua, "Android") {
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return false
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}
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if !strings.Contains(ua, "Chrome") {
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return false
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}
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return true
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}
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func IsMobileBrowser() bool {
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return IsIOSSafari() || IsAndroidChrome()
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}
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