wallet-storage/src/services/ServiceCollection.ts

BRC100 conforming wallet, wallet storage and wallet signer components

export class ServiceCollection<T> {
  services: { name: string; service: T }[]
  _index: number

  constructor(services?: { name: string; service: T }[]) {
    this.services = services || []
    this._index = 0
  }

  add(s: { name: string; service: T }): ServiceCollection<T> {
    this.services.push(s)
    return this
  }

  remove(name: string): void {
    this.services = this.services.filter(s => s.name !== name)
  }

  get name() {
    return this.services[this._index].name
  }

  get service() {
    return this.services[this._index].service
  }

  get allServices() {
    return this.services.map(x => x.service)
  }

  get count() {
    return this.services.length
  }
  get index() {
    return this._index
  }

  reset() {
    this._index = 0
  }

  next(): number {
    this._index = (this._index + 1) % this.count
    return this._index
  }

  clone(): ServiceCollection<T> {
    return new ServiceCollection([...this.services])
  }
}