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package text
import (
"strings"
"unicode"
)
// TrimSpace remove the leading and trailing whitespace while ignoring the
// terminal escape sequences.
// Returns the number of trimmed space on both side.
func TrimSpace(line string) string {
cleaned, escapes := ExtractTermEscapes(line)
// trim left while counting
left := 0
trimmed := strings.TrimLeftFunc(cleaned, func(r rune) bool {
if unicode.IsSpace(r) {
left++
return true
}
return false
})
trimmed = strings.TrimRightFunc(trimmed, unicode.IsSpace)
escapes = OffsetEscapes(escapes, -left)
return ApplyTermEscapes(trimmed, escapes)
}
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