Method add

src/utils/CircularBuffer.ts:18–24

* Add an item to the buffer. If the buffer is full, * the oldest item will be evicted.

(item: T)

   * the oldest item will be evicted.
   */
  add(item: T): void {
    this.buffer[this.head] = item
    this.head = (this.head + 1) % this.capacity
    if (this.size < this.capacity) {
      this.size++
    }
  }

  /**
   * Add multiple items to the buffer at once.