docs/assets/app.js
function _maskContext(context) {
    var Component = this._currentElement.type;
    var contextTypes = Component.contextTypes;
    if (!contextTypes) {
      return emptyObject;
    }
    var maskedContext = {};
    for (var contextName in contextTypes) {
      maskedContext[contextName] = context[contextName];
    }
    return maskedContext;
  }
function _maskContext(context) {
    var Component = this._currentElement.type;
    var contextTypes = Component.contextTypes;
    if (!contextTypes) {
      return emptyObject;
    }
    var maskedContext = {};
    for (var contextName in contextTypes) {
      maskedContext[contextName] = context[contextName];
    }
    return maskedContext;
  }
function _maskContext ( context ) { var Component = this . _currentElement . type ; var contextTypes = Component . contextTypes ; if ( ! contextTypes ) { return emptyObject ; } var maskedContext = { } ; for ( var contextName in contextTypes ) { maskedContext [ contextName ] = context [ contextName ] ; } return maskedContext ; }
Filters the context object to only contain keys specified in
`contextTypes`

@param {object} context
@return {?object}
@private
Filters the context object to only contain keys specified in contextTypes