LNDECODE.js

  function constructEndpoint(lnRequest) {
    if (lnRequest.includes("@")) {
      return DECODE_LN_ADDRESS;
    }

    if (lnRequest.startsWith("lnurl") && lnRequest.includes("lnurl")) {
      return DECODE_LNURL;
    }

    if (lnRequest.startsWith("ln")) {
      return DECODE_PAYMENT_REQUEST;
    }
  }

  function requestDetails(lnRequest) {
    if (lnRequest.includes("@")) {
      return { lnAddress: lnRequest };
    }

    if (lnRequest.startsWith("lnurl") && lnRequest.includes("lnurl")) {
      return { encodedLnUrl: lnRequest };
    }

    if (lnRequest.startsWith("ln")) {
      return { request: lnRequest };
    }
  }