"use strict";

var safeToString = require("./safe-to-string");

var reNewLine = /[\n\r\u2028\u2029]/g;

module.exports = function (value) {
	var string = safeToString(value);
	if (string === null) return "<Non-coercible to string value>";
	// Trim if too long
	if (string.length > 100) string = string.slice(0, 99) + "…";
	// Replace eventual new lines
	string = string.replace(reNewLine, function (char) {
		switch (char) {
			case "\n":
				return "\\n";
			case "\r":
				return "\\r";
			case "\u2028":
				return "\\u2028";
			case "\u2029":
				return "\\u2029";
			/* istanbul ignore next */
			default:
				throw new Error("Unexpected character");
		}
	});
	return string;
};