Function deno_cli::fmt_errors::format_maybe_source_line

pub fn format_maybe_source_line(
    source_line: Option<String>, 
    line_number: Option<i64>, 
    start_column: Option<i64>, 
    end_column: Option<i64>, 
    is_error: bool, 
    level: usize
) -> String

Take an optional source line and associated information to format it into a pretty printed version of that line.