cytoscape/src/map.js

Graph theory (a.k.a. network) library for analysis and visualisation

/* global Map */

class ObjectMap {
  constructor(){
    this._obj = {};
  }

  set( key, val ){
    this._obj[ key ] = val;

    return this;
  }

  delete( key ){
    this._obj[ key ] = undefined;

    return this;
  }

  clear(){
    this._obj = {};
  }

  has( key ){
    return this._obj[ key ] !== undefined;
  }

  get( key ){
    return this._obj[ key ];
  }
}

export default typeof Map !== 'undefined' ? Map : ObjectMap;