Method checkUpdates_

src/core/context/values.js:452–489

* Check if any properties awaiting recalculation. This method is always * scheduled asynchronously and throttled. * * @private

()

   * @private
   */
  checkUpdates_() {
    if (!this.isConnected_()) {
      // The node got disconnected between scheduling and handling.
      return;
    }

    const usedByKey = this.usedByKey_;
    if (!usedByKey) {
      return;
    }

    usedByKey.forEach((used) => {
      used.counter = 0;
    });

    // Recompute all "pinged" values for this node. It checks if dependencies
    // are satisfied and recomputes values accordingly.
    /** @type {number?} */
    let updated;
    do {
      updated = 0;
      usedByKey.forEach((used) => {
        if (used.pending != Pending_Enum.NOT_PENDING) {
          const {key} = used.prop;
          used.counter++;
          if (used.counter > 5) {
            // A simple protection from infinite loops.
            rethrowAsync(`cyclical prop: ${key}`);
            used.pending = Pending_Enum.NOT_PENDING;
            return;
          }
          devAssertNumber(updated);
          updated++;
          this.tryUpdate_(used);
        }
      });
    } while (updated > 0);
  }

  /**
   * @param {IContextPropUsed<T, DEP>} used