1package runewidth
2
3import (
4	"syscall"
5)
6
7var (
8	kernel32               = syscall.NewLazyDLL("kernel32")
9	procGetConsoleOutputCP = kernel32.NewProc("GetConsoleOutputCP")
10)
11
12// IsEastAsian return true if the current locale is CJK
13func IsEastAsian() bool {
14	r1, _, _ := procGetConsoleOutputCP.Call()
15	if r1 == 0 {
16		return false
17	}
18
19	switch int(r1) {
20	case 932, 51932, 936, 949, 950:
21		return true
22	}
23
24	return false
25}
26