this.getFoldWidget = function()

in lib/ace/mode/folding/ruby.js [71:114]

• 41 lines of code
• 25 McCabe index (conditional complexity)

    this.getFoldWidget = function (session, foldStyle, row) {
        var line = session.getLine(row);
        var isStart = this.foldingStartMarker.test(line);
        var isEnd = this.foldingStopMarker.test(line);

        if (isStart && !isEnd) {
            var match = line.match(this.foldingStartMarker);
            if (match[1]) {
                if (match[1] == "if" || match[1] == "else" || match[1] == "while" || match[1] == "until" || match[1] == "unless") {
                    if (match[1] == "else" && /^\s*else\s*$/.test(line) === false) {
                        return;
                    }
                    if (/^\s*(?:if|else|while|until|unless)\s*/.test(line) === false) {
                        return;
                    }
                }

                if (match[1] == "when") {
                    if (/\sthen\s/.test(line) === true) {
                        return;
                    }
                }
                if (session.getTokenAt(row, match.index + 2).type === "keyword")
                    return "start";
            } else if (match[3]) {
                if (session.getTokenAt(row, match.index + 1).type === "comment.multiline")
                    return "start";
            } else {
                return "start";
            }
        }
        if (foldStyle != "markbeginend" || !isEnd || isStart && isEnd)
            return "";

        var match = line.match(this.foldingStopMarker);
        if (match[3] === "end") {
            if (session.getTokenAt(row, match.index + 1).type === "keyword")
                return "end";
        } else if (match[1]) {
            if (session.getTokenAt(row, match.index + 1).type === "comment.multiline")
                return "end";
        } else
            return "end";
    };