example

gistfile1.txt

  warnValidations: function(value) {
      this.setState({warnErrorTypes:[]})
      if (value["fact_interviews"] == "0") { 
       this.setWarnTypes(2)
      } else if (Number(value["fact_interviews"]) >= 20) { 
       this.setWarnTypes(3)
      }
    console.log(this.state.warnErrorTypes)
  },

  setWarnTypes:function(type){
    var warnErrorTypes = this.state.warnErrorTypes
    warnErrorTypes.push(type)
    warnErrorTypes = this.toUnique(warnErrorTypes)
    this.setState({ warnErrorTypes: warnErrorTypes })
  },

  toUnique:function(a,b,c){//array,placeholder,placeholder
    b=a.length;
    while(c=--b)while(c--)a[b]!==a[c]||a.splice(c,1);
    return a // not needed ;)
  },