marko/benchmark/vdom/codegen-create/codegen-marko-vdom.js

function indentStr(level) {
  var str = "";
  for (var i = 0; i < level; i++) {
    str += "  ";
  }

  return str;
}
module.exports = function(node) {
  var code = "";

  function codegenEl(node, level) {
    if (level === 0) {
      code += "createElement";
    } else {
      code += ".e";
    }

    var attrsMap = {};

    var attributes = node.attributes;
    for (var i = 0; i < attributes.length; i++) {
      var attr = attributes[i];
      attrsMap[attr.name] = attr.value;
    }

    code += `(${JSON.stringify(node.nodeName)}, ${JSON.stringify(attrsMap)}, ${
      node.childNodes.length
    })\n`;
    // codegenAttrs(node.attributes, level + 1);

    var curChild = node.firstChild;
    while (curChild) {
      codegen(curChild, level + 1);
      curChild = curChild.nextSibling;
    }
  }

  function codegenText(node) {
    code += `.t(${JSON.stringify(node.nodeValue)})\n`;
  }

  function codegen(node, level) {
    code += indentStr(level);

    if (node.nodeType === 1) {
      codegenEl(node, level);
    } else if (node.nodeType === 3) {
      codegenText(node, level);
    }
  }

  codegen(node, 0);

  return "return " + code + "\n";
};

module.exports.generateInitCode = function() {
  return `
    var MarkoVDOM = window.MarkoVDOM;
    var createElement = MarkoVDOM.createElement;
`;
};