import React from 'react';
import shallowEqual from 'fbjs/lib/shallowEqual';
import filterObject from 'fbjs/lib/filterObject';

export default class Component extends React.Component {
  shouldComponentUpdate(nextProps, nextState){
    let ignorePropsName = 'dangerouslyIgnoreProps';
    let ignoreProps = nextProps[ignorePropsName];
    let filterCallback = (value, name, object)=>{
      if(name == ignorePropsName || typeof ignoreProps == 'string'){
        return false;
      }else if(Array.isArray(ignoreProps)){
        if(ignoreProps.indexOf(name) !== -1){
          return false;
        }
      }else if(typeof ignoreProps == 'object'){
        if(ignoreProps.hasOwnProperty(name)){
          return false;
        }
      }
      return true;
    };
    let props = filterObject(this.props, filterCallback);
    let propsNew = filterObject(nextProps, filterCallback);
    return !shallowEqual(props, propsNew);
  }
}