lindell / JsBarcode

import EANencoder from './ean_encoder.js';

class EAN2{

	constructor(string){

		this.string = string;

		this.structure = ["LL", "LG", "GL", "GG"];

	}

	valid(){

		return this.string.search(/^[0-9]{2}$/) !== -1;

	}

	encode(){

		var encoder = new EANencoder();

		// Choose the structure based on the number mod 4

		var structure = this.structure[parseInt(this.string) % 4];

		// Start bits

		var result = "1011";

		// Encode the two digits with 01 in between

		result += encoder.encode(this.string, structure, "01");

		return {

			data: result,

			text: this.string

		};

	}

}

export default EAN2;