mini_extension

Description:

mini extension

mini_extension #
Provide extension methods for common data types, especially for dateTime extensions.
DateTimeExtension #
import 'package:mini_extension/mini_extension.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
test('time', () {
String _dayStr = "2021-12-09 12:12:21.233";
DateTime _day = _dayStr.toDateTime ?? DateTime.now();
print(_day.getDateTimeStr());
print(_day.getDateTimeStr(
format: 'yyyy-MM-dd HH:mm:ss.SSS EEEE', localType: MiniLocalType.en));
_day = DateTime.now();
print(_day.getDateTimeStr(format: 'yyyy年MM月dd日 HH时mm分ss秒 EEEE'));
print(_day.getDateTimeStr(
format: 'yyyy-MM-dd HH:mm:ss.SSS EEEE', localType: MiniLocalType.en));
print(_day.getDateTimeStr());
print(_day.getDateTimeStr(format: 'MM-dd HH:mm EE'));
print(_day.getDateTimeStr(format: 'MM-dd HH:mm'));
DateTime _one = "2020-02-12 01:12:11".toDateTime ?? DateTime.now();
DateTime _two = "2020-02-12 01:12:12".toDateTime ?? DateTime.now();

expect(_two > _one, true);
expect(_two >= _one, true);
expect(_one < _two, true);
expect(_one <= _two, true);
});

test("month", () {
StringBuffer buffer = StringBuffer();
StringBuffer title = StringBuffer();
DateTime _start = DateTime(2021, 1, 31);
// var firstDay = 31;
List.generate(28, (firstDay) {
firstDay += 1;
DateTime _month = _start.copyWith();
buffer.write("${firstDay.twoDigits} | ");
List.generate(12, (_) {
buffer
..write(_month.firstDayInMonth(firstDay).getDateStr(format: "MM-dd"))
..write('~')
..write(_month.lastDayInMonth(firstDay).getDateStr(format: "MM-dd"))
..write(' ');
_month = _month.firstDayInNextMonth(firstDay);
});
buffer.write("\n");
});
print(buffer);
});

test("weekday", () {
DateTime _time = "2021-01-10".toDateTime ?? DateTime.now();
StringBuffer buffer = StringBuffer("当前时间: ")
..write(_time.getDateStr(format: 'yyyy-MM-dd EEEE'))
..write("，全年")
..write(_time.daysOfYear)
..write('天，现在是第')
..write(_time.dayIndexOfYear)
..write('天。\n')
..write("=======" * 7 + " 获取当前所在周 " + "=======" * 7)
..write('\n');
for (int i = 1; i < 8; i++) {
buffer
..write("| ")
..write(_time.firstDayInWeek(i).getDateStr(format: 'EEEE'))
..write("作为每周的第一天。")
..write('\n');
List<DateTime> _weekdays = _time.getWeekdays(i);
buffer
..write("| 本周包含：")
..write(_weekdays.map((e) => e.getDateStr(format: 'MM-dd EE')))
..write('\n')
..write("| 本年第一周：")
..write(_time
.getFirstWeekdaysInYear(i)
.map((e) => e.getDateStr(format: 'MM-dd EE')))
..write('\n')
..write("| 当前日期：")
..write(_time.getDateStr(format: 'yyyy-MM-dd EEEE'))
..write(
"处在第 ${_time.weekIndexOfYear(i)} 周第 ${_time.dayIndexOfWeek(i)} 天。")
..write('\n')
..write("------" * 18)
..write('\n');
}
print(buffer);
});
}

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StringExtension #
import 'package:flutter_test/flutter_test.dart';
import 'package:mini_extension/mini_extension.dart';

void main() {
test('string_extension', () {
String str = "18516634912";
assert(str.isPhone);
str = "tel12121";
assert(!str.isPhone);
str = "[email protected]";
assert(str.isEmail);
str = "-1212";
assert(str.isAllNumber);
str = "342921201002032133";
assert(str.isIdCard18);
str = "1234";
assert(str.isPositiveNumber);
str = "http://123.com";
assert(str.isUrl);
str = "https://123.com";
assert(str.isUrl);
str = "ftp://123.com";
assert(str.isUrl);
str = "121-swaa-21";
assert(str.containsList(['12', 'aa']));
str = "AA" * 5 + "BBB" * 7;
print(str.ellipsis(12));
print(str.isIncludeIndex(10, 12));
assert(str.isIncludeIndex(10, 31));
str = "JsonYe叶";
assert(str.hasZh);
str = "127.0.0.1";
assert(str.isIp);
str = "12.0.0";
assert(!str.isIp);
});
}
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