Ugly hacking in Recast printer.js

printer.js

    case "JSXElement":
        var openingLines = path.call(print, "openingElement");

        if (n.openingElement.selfClosing) {
            assert.ok(!n.closingElement);
            return openingLines;
        }

        var childs = [];
        var childs2 = [];

        path.each(function(childPath, index) {
          var child = childPath.getValue();

          if (namedTypes.Literal.check(child) &&
              typeof child.value === "string") {
            if (child.value === " ") {
              childs[index] = "{' '}";
            } else {
              childs[index] = child.value.replace(/(^[ ]|[ ]$)/g, "{' '}");
            }
          } else {
            childs[index] = print(childPath);
          }
        }, "children");

        childs.forEach(function(child, index) {
          var previous = index > 0 && childs[index - 1];

          if (child instanceof linesModule.Lines && previous && previous instanceof linesModule.Lines) {
            childs2.push("\n");
          }

          childs2.push(child);
        });

        var childLines = concat(childs2).indent(options.tabWidth);

        var closingLines = path.call(print, "closingElement");

        return concat([
            openingLines,
            "\n",
            childLines,
            "\n",
            closingLines
        ]);