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nepali utils

Nepali Utilities for Dart #

A pure dart package with collection of Nepali Utilities like Date converter, Date formatter, DateTime, Nepali Number, Nepali Unicode, Nepali Moments and many more.
Utility Classes #

NepaliDateTime
DateConversion
NepaliDateFormat
NepaliNumberFormat
NepaliUnicode
NepaliMoment
many yet to come

Language Setup #
Default language for Nepali Utility classes can be set as:
void main(){
NepaliUtils(Language.nepali);
}
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This is completely optional. Default language will be English if not set.
Nepali Date Time #
The class is similar to dart:core's DateTime class, except that, this works with Bikram Sambat.
NepaliDateTime gorkhaEarthQuake = NepaliDateTime.parse('2072-01-12T11:56:25');
print(gorkhaEarthQuake.year); // 2072

NepaliDateTime currentTime = NepaliDateTime.now();
print(currentTime.toIso8601String()); //2076-02-01T11:25:46.490980
print(gorkhaEarthQuake.mergeTime(10, 20, 30));
// 2072-01-12 10:20:30.000
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Date Conversion #
Converts dates from AD to BS and vice versa.
NepaliDateTime nt = DateTime(2019, 8, 03, 14, 30, 15).toNepaliDateTime();
print('In BS = $nt'); //2076-04-18 14:30:15.000
DateTime dt = nt.toDateTime(); //2019-08-03 14:30:15.000
print('In AD = $dt');
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Nepali Date Formatter #
Formats NepaliDateTime into desired format.
Formats NepaliDateTime into desired format.
Constructor table for quick formatting:

Constructor
Result

d
18

E
Sat

EEEE
Saturday

LLL
Shr

LLLL
Shrawan

M
4

Md
4/18

MEd
Sat, 4/18

MMM
Shr

MMMd
Shr 18

MMMEd
Saturday, Shr 18

MMMM
Shrawan

MMMMd
Shrawan 18

MMMMEEEEd
Saturday, Shrawan 18

QQQ
Q2

QQQQ
2nd quarter

y
2076

yM
2076/04

yMd
2076/04/18

yMEd
Sat, 2076/04/18

yMMM
Shr 2076

yMMMd
Shr 18, 2076

yMMMEd
Sat, Shr 18, 2076

yMMMMM
Shrawan 2076

yMMMMd
Shrawan 18, 2076

yMMMMEEEEd
Saturday, Shrawan 18, 2076

yQQQ
Q2 2076

yQQQQ
2nd quarter 2076

H
21

Hm
21:04

Hms
21:17:56

j
9 PM

jm
9:17 PM

jms
9:17:56 PM

m
9

ms
9:17

s
56

Example:
var date1 = NepaliDateFormat.MEd();
var date2 = NepaliDateFormat.MMMMEEEEd();
var date3 = NepaliDateFormat.jms();

print(date1.format(gorkhaEarthQuake)); // Sat, 1/12
print(date2.format(gorkhaEarthQuake)); // Saturday, Baisakh 18
print(date3.format(gorkhaEarthQuake)); // 11:56:00 AM
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Formats can also be specified with a pattern string.

Symbol
Meaning
Presentation
Example (en / np)

G
era designator
(Text)
BS / बि सं

GG
era designator
(Text)
B.S. / बि.सं.

GGG
era designator
(Text)
Bikram Sambat / बिक्रम संबत

y
year
(Number)
1996 / १९९६

yy
year
(Number)
96 / ९६

yyyy
year
(Number)
1996 / १९९६

Q
quarter
(Text)
3

QQ
quarter
(Text)
03

QQQ
quarter
(Text)
Q3

QQQQ
quarter
(Text)
3rd quarter

M
month in year
(Text & Number)
1 / १

MM
month in year
(Text & Number)
01 / ०१

MMM
month in year
(Text & Number)
Bai / बै

MMMM
month in year
(Text & Number)
Baishakh / बैशाख

d
day in month
(Number)
9 / ९

dd
day in month
(Number)
09 / ०९

E
day of week
(Text)
M / सो

EE
day of week
(Text)
Mon / सोम

EEE
day of week
(Text)
Monday / सोमबार

a
am/pm marker
(Text)
pm / बेलुकी

aa
am/pm marker
(Text)
PM / बेलुकी

h
hour in am/pm(1~12)
(Number)
2 / २

hh
hour in am/pm(1~12)
(Number)
02 / ०२

H
hour in day (0~23)
(Number)
14 / १४

HH
hour in day (0~23)
(Number)
14 / १४

m
minute in hour
(Number)
3 / ३

mm
minute in hour
(Number)
03 / ०३

s
second in minute
(Number)
55 / ५५

s
second in minute
(Number)
55 / ५५

S
fractional second
(Number)
978 / ९७८

'
escape for text
(Delimiter)
'Date='

''
single quote
(Literal)
'o''clock'

Example:
var date1 = NepaliDateFormat("yyyy.MM.dd G 'at' HH:mm:ss");
var date2 = NepaliDateFormat("EEE, MMM d, ''yy");
var date3 = NepaliDateFormat("h:mm a");
var date4 = NepaliDateFormat("hh 'o''clock' aa");
var date5 = NepaliDateFormat("yyyy.MMMM.dd GGG hh:mm a");

print(date1.format(gorkhaEarthQuake)); // 2072.01.12 BS at 11:56:25
print(date2.format(gorkhaEarthQuake)); // Saturday, Bai 12, '72
print(date3.format(gorkhaEarthQuake)); // 11:56 am
print(date4.format(gorkhaEarthQuake)); // 11 o'clock AM
print(date5.format(gorkhaEarthQuake)); // 2072.Baishakh.12 Bikram Sambat 11:56 am
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Note: Always wrap pattern string in double quote (").
Nepali Number #
Converts English numbers into Nepali number literals.
var currencyFormat = NepaliNumberFormat(
symbol: 'Rs.',
);
var commaSeparated = NepaliNumberFormat(
decimalDigits: 2,
);
var inWords = NepaliNumberFormat(
inWords: true,
language: Language.NEPALI,
);
var currencyInWords = NepaliNumberFormat(
inWords: true,
language: Language.NEPALI,
isMonetory: true,
decimalDigits: 2,
);
print('123456 -> ${currencyFormat.format(123456)}');
// 123456 -> 1,23,456

print('123456789.6548 -> ${commaSeparated.format(123456789.6548)}');
// 123456789.6548 -> 12,34,56,789.65

print('123456 -> ${inWords.format(123456)}');
// 123456 -> 1 lakh 23 thousand 4 hundred 56

print('123456789.6548 -> ${currencyInWords.format(123456789.6548)}');
// 123456789.6548 -> १२ करोड ३४ लाख ५६ हजार ७ सय ८९ रुपैया ६५ पैसा
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Nepali Unicode #
Converts English literal (Roman Literals) into Nepali Unicode.
print(NepaliUnicode.convert("sayau' thu''gaa fUlakaa haamii, euTai maalaa nepaalii"));
print(NepaliUnicode.convert("saarwabhauma bhai failiekaa, mecii-mahaakaalii\n"));

// सयौं थुँगा फूलका हामी, एउटै माला नेपाली
// सार्वभौम भै फैलिएका, मेची-महाकाली
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If live conversion is required i.e. conversion as you type, then set live: true.
NepaliUnicode.convert(textFromTextField, live: true);
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Nepali Moment #
Generates a fuzzy timestamp using dates provided.
print(NepaliMoment.fromBS(NepaliDateTime.parse('2076-03-22T08:41:14')));
// २२ दिन पछि
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Here, the current DateTime is 2076-02-32 19:09:25 i.e. reference date
print(NepaliMoment.fromBS(NepaliDateTime.parse('2076-02-32T18:25:14'),
referenceDate: NepaliDateTime.parse('2076-02-32T18:34:14')));
// ९ मिनेट पहिले

print(NepaliMoment.fromAD(DateTime.parse('2019-06-02T18:22:14'),
referenceDate: DateTime.parse('2019-06-15T18:34:14')));
// १३ दिन पहिले
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Example #
Find more detailed example here.
Contribute #
If you want to contribute to the package, please feel free to submit issues or PR at Github Repo.
Also show some love by staring the repo ⭐, if you like the package.
License #
Copyright (c) 2020 Sarbagya Dhaubanjar

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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