Function parseLineStarts

tools/dts-verifier/lib/typescript.js:3939–3981

(text)

(function (TypeScript) {
    (function (TextUtilities) {
        function parseLineStarts(text) {
            var length = text.length();

            if (0 === length) {
                var result = new Array();
                result.push(0);
                return result;
            }

            var position = 0;
            var index = 0;
            var arrayBuilder = new Array();
            var lineNumber = 0;

            while (index < length) {
                var c = text.charCodeAt(index);
                var lineBreakLength;

                if (c > 13 /* carriageReturn */ && c <= 127) {
                    index++;
                    continue;
                } else if (c === 13 /* carriageReturn */ && index + 1 < length && text.charCodeAt(index + 1) === 10 /* lineFeed */) {
                    lineBreakLength = 2;
                } else if (c === 10 /* lineFeed */) {
                    lineBreakLength = 1;
                } else {
                    lineBreakLength = TextUtilities.getLengthOfLineBreak(text, index);
                }

                if (0 === lineBreakLength) {
                    index++;
                } else {
                    arrayBuilder.push(position);
                    index += lineBreakLength;
                    position = index;
                    lineNumber++;
                }
            }

            arrayBuilder.push(position);

            return arrayBuilder;
        }
        TextUtilities.parseLineStarts = parseLineStarts;

        function getLengthOfLineBreakSlow(text, index, c) {