Function addLineNumbers

docs/app/js/sanddance-app.js:64397–64408

(string)

    return message;
}
function addLineNumbers(string) {
    var start = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
    var delim = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : ": ";
    var lines = string.split(/\r?\n/);
    var maxDigits = String(lines.length + start - 1).length;
    return lines.map(function(line, i) {
        var lineNumber = i + start;
        var digits = String(lineNumber).length;
        var prefix = padLeft(lineNumber, maxDigits - digits);
        return prefix + delim + line;
    });
}
function padLeft(string, digits) {
    var result = "";
    for(var i = 0; i < digits; ++i)result += " ";