Function setPropertyByPath

lib/Instance.js:456–486

(path, value)

  // ('data.a.b', 5) => opts.data.a.b = 5
  var setPropertyByPath = function (path, value) {
    if (typeof path == 'string') {
      path = path.split('.');
    } else if (!Array.isArray(path)) {
      return;
    }

    var propName = path.shift();
    var prop = Model.allProperties[propName] || opts.extra[propName];
    var currKey, currObj;

    if (!prop) {
      return;
    }
    if (path.length == 0) {
      instance[propName] = value;
      return;
    }
    currObj = instance[propName];

    while(currObj && path.length > 0 ) {
      currKey = path.shift();

      if (path.length > 0) {
        currObj = currObj[currKey];
      } else if (currObj[currKey] !== value) {
        currObj[currKey] = value;
        opts.changes.push(propName);
      }
    }
  }

  var addInstanceProperty = function (key) {
    var defaultValue = undefined;