packer-cn/vendor/github.com/cheggaaa/pb/runecount.go

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package pb
import (
"github.com/mattn/go-runewidth"
"regexp"
)
// Finds the control character sequences (like colors)
var ctrlFinder = regexp.MustCompile("\x1b\x5b[0-9]+\x6d")
func escapeAwareRuneCountInString(s string) int {
n := runewidth.StringWidth(s)
for _, sm := range ctrlFinder.FindAllString(s, -1) {
n -= runewidth.StringWidth(sm)
}
return n
}