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web: Better way to detect NodeJS

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This commit is contained in:
Hajime Hoshi 2018-05-16 22:10:35 +09:00
parent c2df8326fc
commit a5eb1b84ab
1 changed files with 10 additions and 1 deletions
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11
internal/web/js.go
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@ -18,12 +18,21 @@ package web
import ( import (
"strings" "strings"
"sync"
"github.com/gopherjs/gopherjs/js" "github.com/gopherjs/gopherjs/js"
) )
var (
isNodeJSOnce sync.Once
isNodeJS = false
)
func IsNodeJS() bool { func IsNodeJS() bool {
return js.Global.Get("require") != js.Undefined isNodeJSOnce.Do(func() {
isNodeJS = js.Global.Get("process") != js.Undefined
})
return isNodeJS
} }
func IsBrowser() bool { func IsBrowser() bool {