text: const alias = 'skillChart'
  
  function onInstall() {
      this.skills = {}
  }
  
  function oneSkillUp(skill, points) {
      const currentPoints = this.skills[skill] || 0
      const resPoints = currentPoints + points
      if (resPoints > 0) {
          this.skills[skill] = resPoints
      }
  }
  
  function skillUp(skills) {
      if (!skills) return
  
      const skillChart = this
      Object.keys(skills).forEach(skill => {
          skillChart.oneSkillUp( skill, skills[skill] )
      })
  }
  
  function getSkills() {
      return this.skills
  }
  