Skip to content
This repository has been archived by the owner on Jan 11, 2021. It is now read-only.

Edit Converter Functions #18

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Edit Converter Functions #18

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
217 changes: 93 additions & 124 deletions jalali.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,117 +5,86 @@
* See the GPL for details (http://www.gnu.org/licenses/gpl.html).
*
* Based on code from http://farsiweb.info
* Edit: 2020=۱۳۹۹ (https://jdf.scr.ir/jdf/)
*/

JalaliDate = {
g_days_in_month: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
j_days_in_month: [31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29]
};

JalaliDate.jalaliToGregorian = function(j_y, j_m, j_d)
{
j_y = parseInt(j_y);
j_m = parseInt(j_m);
j_d = parseInt(j_d);
var jy = j_y-979;
var jm = j_m-1;
var jd = j_d-1;

var j_day_no = 365*jy + parseInt(jy / 33)*8 + parseInt((jy%33+3) / 4);
for (var i=0; i < jm; ++i) j_day_no += JalaliDate.j_days_in_month[i];

j_day_no += jd;

var g_day_no = j_day_no+79;

var gy = 1600 + 400 * parseInt(g_day_no / 146097); /* 146097 = 365*400 + 400/4 - 400/100 + 400/400 */
g_day_no = g_day_no % 146097;

var leap = true;
if (g_day_no >= 36525) /* 36525 = 365*100 + 100/4 */
{
g_day_no--;
gy += 100*parseInt(g_day_no/ 36524); /* 36524 = 365*100 + 100/4 - 100/100 */
g_day_no = g_day_no % 36524;

if (g_day_no >= 365)
g_day_no++;
else
leap = false;
JalaliDate.jalaliToGregorian = function (jy, jm, jd) {
[jy, jm, jd] = [parseInt(jy), parseInt(jm), parseInt(jd)];
var sal_a, gy, gm, gd, days;
jy += 1595;
days = -355668 + (365 * jy) + (parseInt(jy / 33) * 8) + parseInt(((jy % 33) + 3) / 4) + jd + ((jm < 7) ? (jm - 1) * 31 : ((jm - 7) * 30) + 186);
gy = 400 * parseInt(days / 146097);
days %= 146097;
if (days > 36524) {
gy += 100 * parseInt(--days / 36524);
days %= 36524;
if (days >= 365) days++;
}

gy += 4*parseInt(g_day_no/ 1461); /* 1461 = 365*4 + 4/4 */
g_day_no %= 1461;

if (g_day_no >= 366) {
leap = false;

g_day_no--;
gy += parseInt(g_day_no/ 365);
g_day_no = g_day_no % 365;
gy += 4 * parseInt(days / 1461);
days %= 1461;
if (days > 365) {
gy += parseInt((days - 1) / 365);
days = (days - 1) % 365;
}

for (var i = 0; g_day_no >= JalaliDate.g_days_in_month[i] + (i == 1 && leap); i++)
g_day_no -= JalaliDate.g_days_in_month[i] + (i == 1 && leap);
var gm = i+1;
var gd = g_day_no+1;

gd = days + 1;
sal_a = [0, 31, ((gy % 4 === 0 && gy % 100 !== 0) || (gy % 400 === 0)) ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
for (gm = 0; gm < 13 && gd > sal_a[gm]; gm++) gd -= sal_a[gm];
return [gy, gm, gd];
}

JalaliDate.checkDate = function(j_y, j_m, j_d)
{
return !(j_y < 0 || j_y > 32767 || j_m < 1 || j_m > 12 || j_d < 1 || j_d >
(JalaliDate.j_days_in_month[j_m-1] + (j_m == 12 && !((j_y-979)%33%4))));
JalaliDate.gregorianToJalali = function (gy, gm, gd) {
[gy, gm, gd] = [parseInt(gy), parseInt(gm), parseInt(gd)];
var g_d_m, jy, jm, jd, gy2, days;
g_d_m = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
gy2 = (gm > 2) ? (gy + 1) : gy;
days = 355666 + (365 * gy) + parseInt((gy2 + 3) / 4) - parseInt((gy2 + 99) / 100) + parseInt((gy2 + 399) / 400) + gd + g_d_m[gm - 1];
jy = -1595 + (33 * parseInt(days / 12053));
days %= 12053;
jy += 4 * parseInt(days / 1461);
days %= 1461;
if (days > 365) {
jy += parseInt((days - 1) / 365);
days = (days - 1) % 365;
}
if (days < 186) {
jm = 1 + parseInt(days / 31);
jd = 1 + (days % 31);
} else {
jm = 7 + parseInt((days - 186) / 30);
jd = 1 + ((days - 186) % 30);
}
return [jy, jm, jd];
}

JalaliDate.gregorianToJalali = function(g_y, g_m, g_d)
{
g_y = parseInt(g_y);
g_m = parseInt(g_m);
g_d = parseInt(g_d);
var gy = g_y-1600;
var gm = g_m-1;
var gd = g_d-1;

var g_day_no = 365*gy+parseInt((gy+3) / 4)-parseInt((gy+99)/100)+parseInt((gy+399)/400);

for (var i=0; i < gm; ++i)
g_day_no += JalaliDate.g_days_in_month[i];
if (gm>1 && ((gy%4==0 && gy%100!=0) || (gy%400==0)))
/* leap and after Feb */
++g_day_no;
g_day_no += gd;

var j_day_no = g_day_no-79;

var j_np = parseInt(j_day_no/ 12053);
j_day_no %= 12053;

var jy = 979+33*j_np+4*parseInt(j_day_no/1461);

j_day_no %= 1461;

if (j_day_no >= 366) {
jy += parseInt((j_day_no-1)/ 365);
j_day_no = (j_day_no-1)%365;
}
JalaliDate.checkDate = function (py, pm, pd) {
return !(py < 0 || py > 32767 || pm < 1 || pm > 12 || pd < 1 || pd > JalaliDate.pDaysInMonth(py, pm));
};

for (var i = 0; i < 11 && j_day_no >= JalaliDate.j_days_in_month[i]; ++i) {
j_day_no -= JalaliDate.j_days_in_month[i];
JalaliDate.isKabiseh = function (py, outType = 'bool') {
types = {
'int': [0, 1],
'bool': [false, true],
'yearDays': [365, 366],
'esfandDays': [29, 30],
'farsi': ["کبیسه نیست", "کبیسه است"]
}
var jm = i+1;
var jd = j_day_no+1;

return ((((py % 33) % 4) - 1) === parseInt((py % 33) * 0.05)) ? types[outType][1] : types[outType][0];
};

return [jy, jm, jd];
}
JalaliDate.pDaysInMonth = function (py, pm) {
return ((pm < 7) ? 31 : ((pm < 12) ? 30 : JalaliDate.isKabiseh(py, 'esfandDays')));
};

Date.prototype.setJalaliFullYear = function(y, m, d) {
Date.prototype.setJalaliFullYear = function (y, m, d) {
var gd = this.getDate();
var gm = this.getMonth();
var gy = this.getFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
if (y < 100) y += 1300;
j[0] = y;
if (m != undefined) {
Expand All @@ -127,59 +96,59 @@ Date.prototype.setJalaliFullYear = function(y, m, d) {
}
if (d != undefined) j[2] = d;
var g = JalaliDate.jalaliToGregorian(j[0], j[1], j[2]);
return this.setFullYear(g[0], g[1]-1, g[2]);
return this.setFullYear(g[0], g[1] - 1, g[2]);
}

Date.prototype.setJalaliMonth = function(m, d) {
Date.prototype.setJalaliMonth = function (m, d) {
var gd = this.getDate();
var gm = this.getMonth();
var gy = this.getFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
if (m > 11) {
j[0] += Math.floor(m / 12);
m = m % 12;
}
j[1] = m+1;
j[1] = m + 1;
if (d != undefined) j[2] = d;
var g = JalaliDate.jalaliToGregorian(j[0], j[1], j[2]);
return this.setFullYear(g[0], g[1]-1, g[2]);
return this.setFullYear(g[0], g[1] - 1, g[2]);
}

Date.prototype.setJalaliDate = function(d) {
Date.prototype.setJalaliDate = function (d) {
var gd = this.getDate();
var gm = this.getMonth();
var gy = this.getFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
j[2] = d;
var g = JalaliDate.jalaliToGregorian(j[0], j[1], j[2]);
return this.setFullYear(g[0], g[1]-1, g[2]);
return this.setFullYear(g[0], g[1] - 1, g[2]);
}

Date.prototype.getJalaliFullYear = function() {
Date.prototype.getJalaliFullYear = function () {
var gd = this.getDate();
var gm = this.getMonth();
var gy = this.getFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
return j[0];
}

Date.prototype.getJalaliMonth = function() {
Date.prototype.getJalaliMonth = function () {
var gd = this.getDate();
var gm = this.getMonth();
var gy = this.getFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
return j[1]-1;
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
return j[1] - 1;
}

Date.prototype.getJalaliDate = function() {
Date.prototype.getJalaliDate = function () {
var gd = this.getDate();
var gm = this.getMonth();
var gy = this.getFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
return j[2];
}

Date.prototype.getJalaliDay = function() {
Date.prototype.getJalaliDay = function () {
var day = this.getDay();
day = (day + 1) % 7;
return day;
Expand All @@ -190,11 +159,11 @@ Date.prototype.getJalaliDay = function() {
* Jalali UTC functions
*/

Date.prototype.setJalaliUTCFullYear = function(y, m, d) {
Date.prototype.setJalaliUTCFullYear = function (y, m, d) {
var gd = this.getUTCDate();
var gm = this.getUTCMonth();
var gy = this.getUTCFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
if (y < 100) y += 1300;
j[0] = y;
if (m != undefined) {
Expand All @@ -206,59 +175,59 @@ Date.prototype.setJalaliUTCFullYear = function(y, m, d) {
}
if (d != undefined) j[2] = d;
var g = JalaliDate.jalaliToGregorian(j[0], j[1], j[2]);
return this.setUTCFullYear(g[0], g[1]-1, g[2]);
return this.setUTCFullYear(g[0], g[1] - 1, g[2]);
}

Date.prototype.setJalaliUTCMonth = function(m, d) {
Date.prototype.setJalaliUTCMonth = function (m, d) {
var gd = this.getUTCDate();
var gm = this.getUTCMonth();
var gy = this.getUTCFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
if (m > 11) {
j[0] += Math.floor(m / 12);
m = m % 12;
}
j[1] = m+1;
j[1] = m + 1;
if (d != undefined) j[2] = d;
var g = JalaliDate.jalaliToGregorian(j[0], j[1], j[2]);
return this.setUTCFullYear(g[0], g[1]-1, g[2]);
return this.setUTCFullYear(g[0], g[1] - 1, g[2]);
}

Date.prototype.setJalaliUTCDate = function(d) {
Date.prototype.setJalaliUTCDate = function (d) {
var gd = this.getUTCDate();
var gm = this.getUTCMonth();
var gy = this.getUTCFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
j[2] = d;
var g = JalaliDate.jalaliToGregorian(j[0], j[1], j[2]);
return this.setUTCFullYear(g[0], g[1]-1, g[2]);
return this.setUTCFullYear(g[0], g[1] - 1, g[2]);
}

Date.prototype.getJalaliUTCFullYear = function() {
Date.prototype.getJalaliUTCFullYear = function () {
var gd = this.getUTCDate();
var gm = this.getUTCMonth();
var gy = this.getUTCFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
return j[0];
}

Date.prototype.getJalaliUTCMonth = function() {
Date.prototype.getJalaliUTCMonth = function () {
var gd = this.getUTCDate();
var gm = this.getUTCMonth();
var gy = this.getUTCFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
return j[1]-1;
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
return j[1] - 1;
}

Date.prototype.getJalaliUTCDate = function() {
Date.prototype.getJalaliUTCDate = function () {
var gd = this.getUTCDate();
var gm = this.getUTCMonth();
var gy = this.getUTCFullYear();
var j = JalaliDate.gregorianToJalali(gy, gm+1, gd);
var j = JalaliDate.gregorianToJalali(gy, gm + 1, gd);
return j[2];
}

Date.prototype.getJalaliUTCDay = function() {
Date.prototype.getJalaliUTCDay = function () {
var day = this.getUTCDay();
day = (day + 1) % 7;
return day;
Expand Down