import { ArrayBuffers } from './ArrayBuffers';
import { isBuffer } from './isBuffer';

/**
 * Buffer is a polyfill version of NodeJS Buffer
 */
export class Buffer extends Uint8Array {
	// constructor(buffer: ArrayBufferLike, byteOffset?: number, length?: number) {
	//   super(buffer, byteOffset, length);
	// }

	static get isPolyfill() {
		return true;
	}

	static isBuffer(v: any): v is Buffer {
		return v instanceof Buffer || isBuffer(v);
	}

	static from(array: string | BufferSource | ArrayLike<number> | Iterable<number>, arg2?: any): Buffer {
		// todo mapfn
		return new Buffer(ArrayBuffers.from(array, arg2) as ArrayBuffer);
	}

	static isEncoding = ArrayBuffers.isEncoding;

	toString(encoding?: string): string {
		return ArrayBuffers.toString(this, encoding as any);
	}
}