function ayRegisterHelpers() {
  Handlebars.registerHelper("ayCaps", function (aString) {
    return aString.toUpperCase();
  });

  Handlebars.registerHelper("ayMarkdown", function (astring) {
    return marked(astring, { breaks: true });
  });

  Handlebars.registerHelper("ayJSON", function (obj) {
    return JSON.stringify(obj, null, 3);
  });

  Handlebars.registerHelper("ayLink", function (text, url) {
    var url = Handlebars.escapeExpression(url),
      text = Handlebars.escapeExpression(text);

    return new Handlebars.SafeString("<a href='" + url + "'>" + text + "</a>");
  });

  Handlebars.registerHelper("ayLogo", function (size) {
    var url = `${Handlebars.escapeExpression(
      this.ayServerMetaData.ayApiUrl
    )}logo/${size}`;
    return new Handlebars.SafeString("<img src='" + url + "'/>");
  });
} //eof

async function ayPreRender(ayAllData) {
  if (typeof ayPrepareData === "function") {
    return await ayPrepareData(ayAllData);
  } else {
    return ayAllData;
  }
}

///////////////////////////////////
//  GET DATA FROM API SERVER
//
async function ayGetFromAPI(route, token) {
  try {
    let r = await fetch(route, {
      method: "get",
      mode: "cors",
      headers: {
        Accept: "application/json",
        "Content-Type": "application/json",
        Authorization: token
      }
    });
    return await r.json();
  } catch (error) {
    //fundamental error, can't proceed with this call
    // handleError("GET", error, route);
    //todo: deal with this properly
    throw error;
  }
}

///////////////////////////////////
//  POST  DATA TO API SERVER
//
async function ayPostToAPI(route, token, data) {
  try {
    fetchOptions = {
      method: "post",
      mode: "cors",
      headers: {
        Accept: "application/json",
        "Content-Type": "application/json",
        Authorization: token
      },
      body: JSON.stringify(data)
    };
    let r = await fetch(route, fetchOptions);
    return await r.json();
  } catch (error) {
    //todo: better handle this
    throw error;
  }
}

/*
async function ayPrepareData(reportData) {
    //this function (if present) is called with the report data 
    //before the report is rendered
    //modify data as required here and return it to change the data before the report renders  

    //Example of using API method to fetch data from API server and make it available to the report template
    let route=`${reportData.ayServerMetaData.ayApiUrl}enum-list/list/AyaType`;

    //Put the data into the main report data object so it's available to the template
    reportData.myData={AyaTypeList:await ayGetFromAPI(route, reportData.ayClientMetaData.Authorization)};

    return reportData;
}

*/