Function FormatError

pkg/console/console_wasm.go:16–66

(err CompilerError)

}

func FormatError(err CompilerError) string {
	var output strings.Builder

	var prefix string
	switch err.Type {
	case "warning":
		prefix = "warning"
	case "info":
		prefix = "info"
	default:
		prefix = "error"
	}

	if err.Position.File != "" {
		relativePath := ToRelativePath(err.Position.File)
		location := fmt.Sprintf("%s:%d:%d:", relativePath, err.Position.Line, err.Position.Column)
		output.WriteString(location)
		output.WriteString(" ")
	}

	output.WriteString(prefix + ": ")
	output.WriteString(err.Message)
	output.WriteString("\n")

	if len(err.Context) > 0 && err.Position.Line > 0 {
		maxLineNum := err.Position.Line + len(err.Context)/2
		lineNumWidth := len(strconv.Itoa(maxLineNum))
		for i, line := range err.Context {
			lineNum := err.Position.Line - len(err.Context)/2 + i
			if lineNum < 1 {
				continue
			}
			lineNumStr := fmt.Sprintf("%*d", lineNumWidth, lineNum)
			output.WriteString(lineNumStr)
			output.WriteString(" | ")
			output.WriteString(line)
			output.WriteString("\n")
			if lineNum == err.Position.Line && err.Position.Column > 0 && err.Position.Column <= len(line) {
				wordEnd := findWordEnd(line, err.Position.Column-1)
				wordLength := wordEnd - (err.Position.Column - 1)
				padding := strings.Repeat(" ", lineNumWidth+3+err.Position.Column-1)
				pointer := strings.Repeat("^", wordLength)
				output.WriteString(padding)
				output.WriteString(pointer)
				output.WriteString("\n")
			}
		}
	}

	return output.String()
}

func FormatSuccessMessage(message string) string  { return "✓ " + message }
func FormatInfoMessage(message string) string     { return "i " + message }