cirbuf/dist/index.js

A tiny and fast circular buffer

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CircularBuffer = void 0;
class CircularBuffer {
    #data;
    #next = 0;
    #overflow = false;
    #maxSize;
    constructor(maxSize) {
        this.#data = new Array(maxSize);
        this.#maxSize = maxSize;
    }
    get maxSize() {
        return this.#maxSize;
    }
    get size() {
        return this.#overflow ? this.#maxSize : this.#next;
    }
    push(value) {
        this.#data[this.#next] = value;
        if (this.#next === this.#maxSize - 1) {
            this.#next = 0;
            this.#overflow = true;
        }
        else {
            this.#next += 1;
        }
    }
    toArray() {
        if (!this.#overflow) {
            // Create a copy of the array
            return this.#data.slice(0, this.#next);
        }
        return this.#data.slice(this.#next).concat(this.#data.slice(0, this.#next));
    }
}
exports.CircularBuffer = CircularBuffer;