constructor()

in packages/sdk/src/Confidence.ts [88:122]

• 33 lines of code
• 7 McCabe index (conditional complexity)

  constructor(config: Configuration, parent?: Confidence) {
    this.config = config;
    this.parent = parent;
    this.contextChanges = subject(observer => {
      let parentSubscription: Closer | void;
      if (parent) {
        parentSubscription = parent.contextChanges(keys => {
          const visibleKeys = keys.filter(key => !this._context.has(key));
          if (visibleKeys.length) observer(visibleKeys);
        });
      }
      this.contextChanged = observer;
      return () => {
        parentSubscription?.();
        this.contextChanged = undefined;
      };
    });

    this.flagStateSubject = subject(observer => {
      const reportState = () => observer(this.flagState);
      if (!this.currentFlags || !Value.equal(this.currentFlags.context, this.getContext())) {
        this.resolveFlags().then(reportState);
      }
      const close = this.contextChanges(() => {
        if (this.flagState === 'READY' || this.flagState === 'ERROR') observer('STALE');
        this.resolveFlags().then(reportState);
      });

      return () => {
        close();
        this.pendingFlags?.abort();
        this.pendingFlags = undefined;
      };
    });
  }