/
center_text.go
46 lines (41 loc) · 1.18 KB
/
center_text.go
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package internal
import (
"strings"
"github.com/gookit/color"
)
// CenterText returns a centered string with a padding left and right
// If width is 0, it will be calculated automatically
func CenterText(text string, width int) string {
var lines []string
if width == 0 {
width = GetStringMaxWidth(text)
}
linesTmp := strings.Split(text, "\n")
for _, line := range linesTmp {
if len(color.ClearCode(line)) > width {
extraLines := []string{""}
extraLinesCounter := 0
for i, letter := range line {
if i%width == 0 && i != 0 {
extraLinesCounter++
extraLines = append(extraLines, "")
}
extraLines[extraLinesCounter] += string(letter)
}
for _, extraLine := range extraLines {
padding := width - len(color.ClearCode(extraLine))
extraLine = strings.Repeat(" ", padding/2) + extraLine + strings.Repeat(" ", padding/2) + "\n"
lines = append(lines, extraLine)
}
} else {
padding := width - len(color.ClearCode(line))
line = strings.Repeat(" ", padding/2) + line + strings.Repeat(" ", padding/2) + "\n"
lines = append(lines, line)
}
}
var line string
for _, s := range lines {
line += s
}
return strings.TrimSuffix(line, "\n")
}