Function LineBreaker

src/test/resources/libraries/html2canvas/html2canvas.js:817–840

(str, options)

        return Break;
    }());
    var LineBreaker = function (str, options) {
        var codePoints = toCodePoints$1(str);
        var _a = cssFormattedClasses(codePoints, options), indicies = _a[0], classTypes = _a[1], forbiddenBreakpoints = _a[2];
        var length = codePoints.length;
        var lastEnd = 0;
        var nextIndex = 0;
        return {
            next: function () {
                if (nextIndex >= length) {
                    return { done: true, value: null };
                }
                var lineBreak = BREAK_NOT_ALLOWED$1;
                while (nextIndex < length &&
                    (lineBreak = _lineBreakAtIndex(codePoints, classTypes, indicies, ++nextIndex, forbiddenBreakpoints)) ===
                        BREAK_NOT_ALLOWED$1) { }
                if (lineBreak !== BREAK_NOT_ALLOWED$1 || nextIndex === length) {
                    var value = new Break(codePoints, lineBreak, lastEnd, nextIndex);
                    lastEnd = nextIndex;
                    return { value: value, done: false };
                }
                return { done: true, value: null };
            },
        };
    };

    // https://www.w3.org/TR/css-syntax-3
    var FLAG_UNRESTRICTED = 1 << 0;