const isNullOrEmpty = function(val) {
    if (val == null || val == "" || typeof(val) == undefined) {
        return true;
    } else {
        return false;
    }
}
 
const timeFormat = (value, format) => {
    let date = new Date(value);
    let y = date.getFullYear();
    let m = date.getMonth() + 1;
    let d = date.getDate();
    let h = date.getHours();
    let min = date.getMinutes();
    let s = date.getSeconds();
    let result = "";
    if (format == undefined) {
        result = `${y}-${m < 10 ? "0" + m : m}-${d < 10 ? "0" + d : d} ${
        h < 10 ? "0" + h : h
      }:${min < 10 ? "0" + min : min}:${s < 10 ? "0" + s : s}`;
    }
	if (format == "yyyy-mm-dd") {
	    result = `${y}-${m < 10 ? "0" + m : m}-${d < 10 ? "0" + d : d} `;
	}
    if (format == "yyyy-mm") {
        result = `${y}-${m < 10 ? "0" + m : m}`;
    }
    if (format == "mm-dd") {
        result = ` ${mm < 10 ? "0" + mm : mm}:${ddmin < 10 ? "0" + dd : dd}`;
    }
    if (format == "hh:mm") {
        result = ` ${h < 10 ? "0" + h : h}:${min < 10 ? "0" + min : min}`;
    }
    if (format == "yyyy") {
        result = `${y}`;
    }
    return result;
};


// {{date|isNullOrEmpty}}
// {{date|timeFormat('yyyy-mm-dd')}} 
// {{date|timeFormat('yyyy-mm')}}
// {{date|timeFormat('hh:mm')}}
// {{date|timeFormat('yyyy')}} 
// {{date|timeFormat}}

export {
    isNullOrEmpty,
    timeFormat
}