Function Evaluator has a Cognitive Complexity of 216 (exceeds 5 allowed). Consider refactoring.

Open

var Evaluator = function(topNode, viewModels, parseTrees, interface, mainModel) {

  // Replace all mustaches in text with the value at their paths
  var resolveMustaches = function(text, scope, node, cb) {
    // Collect mustaches in reverse order

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Function Evaluator has 683 lines of code (exceeds 25 allowed). Consider refactoring.

Open

var Evaluator = function(topNode, viewModels, parseTrees, interface, mainModel) {

  // Replace all mustaches in text with the value at their paths
  var resolveMustaches = function(text, scope, node, cb) {
    // Collect mustaches in reverse order

File evaluator.js has 688 lines of code (exceeds 250 allowed). Consider refactoring.

Open

var _ = require('./utils.js');
var Scope = require('./scope.js');


// Renders a parse tree from <topNode> downward and emits either

Function evaluate has 306 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    evaluate: function(node, scope, preFormated) {
      var self = this;
      var frag = interface.createFragment();

      var recurse = function(frag, scope, pre) {

Function evalExpr has 50 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  var evalExpr = function(scope, expr, node) {
    var m;
    // Negation
    var negate = (expr[0] == '!');
    if(negate) expr = expr.slice(1);

Function evalCompoundExpr has 45 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  var evalCompoundExpr = function(scope, expr, node) {
    var booleans = ['||', '&&'];
    var comparisons = ['==', '!=', '>', '<', '>=', '<='];
    var allOps = _.union(booleans, comparisons);
    // Separate expression into values and operators

Function execMicroStatements has 40 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    execMicroStatements: function(statements, elem) {
      _.each(statements, function(statement) {
        // Register action handlers
        if(statement.statement == 'on' && _.onClient()) {
          var eName = statement.event;

Function promises has 35 lines of code (exceeds 25 allowed). Consider refactoring.

Open

        var promises = _.compact(_.flatten(_.values(_.map(node.attributes, function(attr, key) {
          // Dynamic attribute
          if(attr.type == 'dynamic') {
            var expr = attr.expression;
            // Collect two way binding

Avoid deeply nested control flow statements.

Open

                        if(!newItems) newItems = _.clone(items.items);

Avoid deeply nested control flow statements.

Open

                  if(elem.tagName == 'INPUT' && elem.type == 'number') {
                    value = parseFloat(value);
                  }

Avoid deeply nested control flow statements.

Open

              if(_.last(expr) == '!') {
                expr = expr.slice(0, -1);
                save = true;
              }

Avoid deeply nested control flow statements.

Open

              if(!attr.oneTimeOnly) {
                attributePaths.push({
                  type: 'CSS',
                  klassName: klassName,
                  expr: expr,

Function Evaluator has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

var Evaluator = function(topNode, viewModels, parseTrees, interface, mainModel) {

Avoid too many return statements within this function.

Open

          if(op == '>=') return a >= b;

Avoid too many return statements within this function.

Open

          if(op == '<=') return a <= b;