etnbrd/flx-compiler

var util = require('util');

if (!Array.prototype.find) {
  Object.defineProperty(Array.prototype, 'find', {
    enumerable: false,
    configurable: true,
    writable: true,
    value: function(predicate) {
      if (this == null) {
        throw new TypeError('Array.prototype.find called on null or undefined');
      }
      if (typeof predicate !== 'function') {
        throw new TypeError('predicate must be a function');
      }
      var list = Object(this);
      var length = list.length >>> 0;
      var thisArg = arguments[1];
      var value;

      for (var i = 0; i < length; i++) {
        if (i in list) {
          value = list[i];
          if (predicate.call(thisArg, value, i, list)) {
            return value;
          }
        }
      }
      return undefined;
    }
  });
}

function _clone(obj) {
  var copy = util._extend({}, obj);
  return copy;
}

function convert(tree) {

    _n = {};
    _d = {};
    _t = {};

    tree.nodes.every(function(node) {
        _n[node.id] = _clone(node);
        return true
    })

    tree.deps.every(function(dep) {

        _dep = _clone(dep);


        _d[_dep.id] = _d[_dep.id] || [];
        _t[_dep.to] = _t[_dep.to] || [];

        _d[_dep.id].push(_dep);
        _t[_dep.to].push(_dep);

        _dep.id = _n[_dep.id];
        _dep.to = _n[_dep.to];
        
        return true;
    })

    return {
        name: tree.name,
        id: tree.id,
        nodes: _n,
        deps: _d,
        tos: _t
    }
}

module.exports = {
    convert: convert
}