/**
* dateUtils
* Format Date using php's format string. Date to/From ymd. Get Today's date as ymd or Date, with no time.
*
* @type {{todayYMD: (function(): string), ymdToDate: (function(*): Date), is_ymd: ((function(*): boolean)|*), today: (function(): Date), format: ((function((Date|string|number), string=, string=): string)|*), dateToYMD: (function(*): string), dateToDay: (function(*): Date), setLanguage(*): ({shortMonth, shortDay, longMonth, longDay})}}
*/
const dateUtils = {
version: "2024-02-22",
dateToDay: function(date){return new Date((new Date(date)).setHours(0, 0, 0, 0) );
},
dateToYMD: function date(date) {return this.dateToDay(date).toISOString().split('T')[0];},
today: function() {return new Date((new Date()).setHours(0, 0, 0, 0) );},
todayYMD: function() {return this.today().toISOString().split('T')[0];},
ymdToDate: function(ymd) {return ymd.length === 10 ? this.dateToDay(ymd) : new Date(ymd); },
is_ymd: function(value, dateOnly = true) {
if(value === null || !isNaN(value) || typeof value !== 'string')
return false;
if(dateOnly) {
if(value.length !== 10)
return false;
const regex = /^\d\d\d\d[-.\\\/_](0[1-9]|1[0-2])[-.\\\/_](0[1-9]|[1-2][0-9]|3[0|1])$/gm;
return value.match(regex) !== null;
}
if(value.length < 10 || value.length > 27)
return false;
const regex =
/^\d\d\d\d[-.\\\/_](0[1-9]|1[0-2])[-.\\\/_](0[1-9]|[1-2][0-9]|3[0|1])($|([ T]([0-1]\d|2[0-4]):[0-5]\d:[0-5]\d))/gm;
return value.match(regex) !== null;
},
/**
* Formats a date according to the given format string in PHP style
*
* @param {Date|string|number} inputDate - The date to be formatted. Can be a Date object, a date string, or a timestamp.
* @param {string} [formatPhpStyle="d/M/y"] - The format string to be used for formatting the date. Defaults to "d/M/y"
* https://www.php.net/manual/en/datetime.format.php.
* @param {string} [language="en"] - Englinsh en, Spanish es
* @returns {string} - The formatted date string.
* @throws {Error} - If an error occurs during the formatting process.
*/
format: function(inputDate, formatPhpStyle = "d/M/y", language = "en") {
let lang = this.setLanguage(language);
if(inputDate === null)
return "";
try {
function padZero(value) {return value < 10 ? `0${value}` : `${value}`;}
let date;
if(inputDate instanceof Date)
date = inputDate;
else if(typeof inputDate === 'object')
return "[object]";
else if(isNaN(inputDate))
date = this.is_ymd(inputDate) ?
new Date(`${inputDate}T00:00:00`) : new Date(inputDate);
else
date = new Date(inputDate);
const parts = {
d: padZero(date.getDate()),
j: date.getDate(),
D: lang.shortDay[date.getDay()],
l: lang.longDay[date.getDay()],
w: date.getDay(),
m: padZero(date.getMonth() + 1),
n: date.getMonth() + 1,
M: lang.shortMonth[date.getMonth()],
F: lang.longMonth[date.getMonth()],
Y: date.getFullYear(),
y: date.getFullYear().toString().slice(-2),
H: padZero(date.getHours()),
G: date.getHours(),
h: padZero(date.getHours() > 12 ? date.getHours() - 12 : date.getHours()),
g: date.getHours() > 12 ? date.getHours() - 12 : date.getHours(),
i: padZero(date.getMinutes()),
s: padZero(date.getSeconds()),
a: date.getHours() < 12 ? 'am' : 'pm',
A: date.getHours() < 12 ? 'AM' : 'PM',
};
let skip = false;
let ret = [];
for(let i = 0, len = formatPhpStyle.length; i < len; ++i) {
let c = formatPhpStyle[i];
if(c === "\\") {
skip = true;
continue;
}
if(skip) {
skip = false;
ret.push(c);
continue;
}
ret.push(parts.hasOwnProperty(c) ? parts[c] : c);
}
return ret.join("");
} catch(error) {
console.log("ERROR: fmt.date arguments:", arguments);
console.log(" fmt.date error:", error);
return inputDate;
}
},
setLanguage(language) {
switch(language.toLowerCase()) {
case 'es':
return {
longMonth: ['Enero', 'Febrero', 'Marzo', 'Abril', 'Mayo', 'Junio', 'Julio', 'Agosto',
'Septiembre', 'Octubre', 'Noviembre', 'Diciembre'],
shortMonth: ['Ene', 'Feb', 'Mar', 'Abr', 'May', 'Jun', 'Jul', 'Ago', 'Sep', 'Oct', 'Nov', 'Dic'],
longDay: ['Domingo', 'Lunes', 'Martes', 'Miércoles', 'Jueves', 'Viernes', 'Sábado'],
shortDay: ['Do', 'Lu', 'Ma', 'Mi', 'Ju', 'Vi', 'Sa'],
};
case 'en':
default:
return {
longMonth: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September',
'October', 'November', 'December'],
shortMonth: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
longDay: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
shortDay: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
};
}
},
};
