Lorem Ipsum MCP Server

import * as Chunk from "../Chunk.js" import { constUndefined } from "../Function.js" import * as Option from "../Option.js" /** @internal */ export class RingBuffer<out A> { private array: Array<A | undefined> private size = 0 private current = 0 constructor(public readonly capacity: number) { this.array = Array.from({ length: capacity }, constUndefined) } head(): Option.Option<A> { return Option.fromNullable(this.array[this.current]) } lastOrNull(): A | undefined { if (this.size === 0) { return undefined } const index = this.current === 0 ? this.array.length - 1 : this.current - 1 return this.array[index] ?? undefined } put(value: A): void { this.array[this.current] = value this.increment() } dropLast(): void { if (this.size > 0) { this.decrement() this.array[this.current] = undefined } } toChunk(): Chunk.Chunk<A> { const begin = this.current - this.size const newArray = begin < 0 ? [ ...this.array.slice(this.capacity + begin, this.capacity), ...this.array.slice(0, this.current) ] : this.array.slice(begin, this.current) return Chunk.fromIterable(newArray) as Chunk.Chunk<A> } private increment(): void { if (this.size < this.capacity) { this.size += 1 } this.current = (this.current + 1) % this.capacity } private decrement(): void { this.size -= 1 if (this.current > 0) { this.current -= 1 } else { this.current = this.capacity - 1 } } }