source: frontend/node_modules/source-list-map/lib/helpers.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/
"use strict";

exports.getNumberOfLines = function getNumberOfLines(str) {
        let nr = -1;
        let idx = -1;
        do {
                nr++
                idx = str.indexOf("\n", idx + 1);
        } while(idx >= 0);
        return nr;
};

exports.getUnfinishedLine = function getUnfinishedLine(str) {
        const idx = str.lastIndexOf("\n");
        if(idx === -1)
                return str.length;
        else
                return str.length - idx - 1;
};