@li0ard/tsemrtd/dist/com.js

simple library for eMRTD. supports browsers, node, bun and more!

import { TLV } from "@li0ard/tinytlv";
import { Enums, Interfaces, Utils } from "./index";
/**
 * Class for working with COM (Manifest)
*/
export class COM {
    /**
     * Get LDS and Unicode versions and data groups tags
     * @param data Data of EF.COM file
     */
    static load(data) {
        let tlv = TLV.parse(data);
        if (parseInt(tlv.tag, 16) != Enums.TAGS.COM)
            throw new Error(`Invalid COM tag "0x${tlv.tag}", expected 0x${Enums.TAGS.COM.toString(16)}`);
        return {
            ldsVersion: Utils.bytesToAscii(tlv.childs[0].byteValue),
            unicodeVersion: Utils.bytesToAscii(tlv.childs[1].byteValue),
            tags: tlv.childs[2].byteValue
        };
    }
}