All files / src/model commentContextSupplier.ts

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import { Broadcaster } from './broadcaster'
import { Field } from './field'
import { CommentContext } from './commentContext'
import { Screen } from './screen'
 
/**
 * {@link CommentContextSupplier} の初期化に必要なパラメタ
 */
export interface CommentContextSupplierOptions {
  /**
   * 放送者
   */
  broadcaster: Broadcaster
  /**
   * 放送者と訪問先が存在するマップ
   */
  field: Field
  /**
   * 生放送画面情報
   */
  screen: Screen
  /**
   * ライブラリ利用者が自由に使えるフィールドです.
   */
  vars?: unknown
}
 
/**
 * {@link CommentContext} を環境情報から生成します.
 */
export class CommentContextSupplier {
  /**
   * ライブラリ利用者が自由に使えるフィールドです.
   */
  vars?: unknown
  private readonly _broadcaster: Broadcaster
  private readonly _field: Field
  private readonly _screen: Screen
 
  constructor ({ broadcaster, field, screen, vars }: CommentContextSupplierOptions) {
    this._broadcaster = broadcaster
    this._field = field
    this._screen = screen
    this.vars = vars
  }
 
  /**
   * CommentContext を生成します.
   */
  get (): CommentContext {
    return {
      live: this._broadcaster.live,
      staying: this._broadcaster.staying,
      broadcaster: this._broadcaster,
      field: this._field,
      screen: this._screen,
      vars: this.vars
    }
  }
}