Function SplitString

internal/util/util.go:185–240

(input string, lineWidth int)

}

func SplitString(input string, lineWidth int) []string {
	var result []string
	var currentLine string
	currentLen := 0

	parts := strings.Split(input, "\n")

	for _, textLine := range parts {
		words := wordRegex.FindAllString(textLine, -1)

		l := len(words)

		skip := false
		for idx, word := range words {
			if skip {
				skip = false
				continue
			}

			wordLen := runewidth.StringWidth(word)

			if idx < l-1 && punctuationRegex.MatchString(words[idx+1]) {
				wordLen += runewidth.StringWidth(words[idx+1])
				word += words[idx+1]
				skip = true
			} else {
				skip = false
			}

			if wordLen > lineWidth {
				result = append(result, word)
				continue
			}

			if currentLen+wordLen > lineWidth {
				if currentLine != "" {
					result = append(result, strings.TrimRight(currentLine, " "))
				}
				// clear spaces at the beginning of the line
				currentLine = strings.TrimLeft(word, " ")
				currentLen = runewidth.StringWidth(currentLine)
			} else {
				currentLine += word
				currentLen += wordLen
			}
		}

		if currentLine != "" {
			result = append(result, currentLine)
			currentLine = ""
			currentLen = 0
		}
	}

	return result
}

// Splits a string by adding line breaks at the end of each line