export default class Scheduler {
  public name: string

  private bucketMap: { 
    [label: string]: Array<Function>
  }

  constructor(name: string) {
    this.name = name
  }

  subscribe(label: string, handle: Function) {
    if(!Array.isArray(this.bucketMap[label])) this.bucketMap[label] = []
    this.bucketMap[label].push(handle)
  }

  trigger(label: string) {
    this.bucketMap[label].map(handle => handle())
  }

  triggerThenFlush(label: string) {
    this.bucketMap[label].map(handle => handle())
    this.bucketMap[label] = []
  }

  triggerBulk(labelArray: string[]) {
    labelArray.map(label => this.bucketMap[label].map(handle => handle()))
  }
}