timeSolver, You can use global object in your page.
```html
```
You also can use via require.
```js
const timeSolver = require('./../timeSolver');
```
For example, if you want to get datetime string with format "YYYYMMDD", you need to do by following:
```js
const dateString = timeSolver.getString(new Date(), "YYYYMMDD");
```
## Method
### Add and Subtract
You can use this basic manipulate on date, add or subtract, by different time unit(type)
```js
/**
* Add time by time unit
*
* @param {date/string} [date] standard JavaScript Date object or date string
* @param {string} [count] a number you want to add on date
* @param {string} [type] timeSolver time unit
* @return {date} standard JavaScript Date object
*/
const afterAdd = timeSolver.add(date, count, type);
/**
* Subtract time by time unit
*
* @param {date/string} [date] standard JavaScript Date object or date string
* @param {string} [count] a number you want to subtract on date
* @param {string} [type] timeSolver time unit
* @return {date} standard JavaScript Date object
*/
const afterSubtract = timeSolver.subtract(date, count, type);
```
[timeSolver time unit]
### Equal
```js
/**
* Check whether two dates equals or not
*
* @param {date/string} [date1] standard JavaScript Date object or date string
* @param {date/string} [date2] standard JavaScript Date object or date string
* @return {boolean} equals or not
*/
const result = timeSolver.equal(date1, date2);
```
### After
```js
/**
* Check whether date1 after date2 or not
*
* @param {date/string} [date1] standard JavaScript Date object or date string
* @param {date/string} [date2] standard JavaScript Date object or date string
* @return {boolean} date1 after date2 or not
*/
const result = timeSolver.after(date1, date2, type);
```
### After Today
```js
/**
* Check whether date after today or not
*
* @param {date/string} [date] standard JavaScript Date object or date string
* @return {boolean} date1 after today or not
*/
const result = timeSolver.afterToday(date);
```
### Before
```js
/**
* Check whether date1 before date2 or not
*
* @param {date/string} [date1] standard JavaScript Date object or date string
* @param {date/string} [date2] standard JavaScript Date object or date string
* @return {boolean} date1 before date2 or not
*/
const result = timeSolver.before(date1, date2, type);
```
### Before Today
```js
/**
* Check whether date before today or not
*
* @param {date/string} [date] standard JavaScript Date object or date string
* @return {boolean} date1 before today or not
*/
const result = timeSolver.beforeToday(date);
```
### Between
```js
/**
* Count time by time unit between two date
*
* @param {date/string} [date1] standard JavaScript Date object or date string
* @param {date/string} [date2] standard JavaScript Date object or date string
* @param {string} [type] timeSolver time unit
* @return {number} return count by time unit
*/
const result = timeSolver.between(date1, date2, type);
```
[timeSolver time unit]
### Get Date String
```js
/**
* Get date time string by different format
*
* @param {date/string} [date] standard JavaScript Date object or date string
* @param {string} [format] timeSolver string format
* @return {string} return formated string
*/
const dateString = timeSolver.getString(date, format);
```
[timeSolver string format]
### Get Week and Month
Get date's weekday or month name, it will return abbr. or full name by different method
```js
const result1 = timeSolver.getAbbrWeek(date);
const result2 = timeSolver.getFullWeek(date);
const result3 = timeSolver.getAbbrMonth(date);
const result4 = timeSolver.getFullMonth(date);
```
### isValid
```js
/**
* Check whether date string is valid or not and return true/ false if dateString valid or not
*
* @param {string} [dateString] date string
* @param {string} [format] timeSolver valid format
* @return {boolean} dateString is valid or not
*/
const result = timeSolver.isValid(dateString, format);
```
[timeSolver valid format]
### getQuarterByMonth
```js
/**
* Get quarter by give month
*
* @param {number} [month] month number
* @return {number} return quarter number
*/
const quarter = timeSolver.getQuarterByMonth(month);
```
### getFirstMonthByQuarter
```js
/**
* Get quarter's first month string by give quarter
*
* @param {number} [quarter] quarter number
* @return {number} return month number
*/
const firstMonth = timeSolver.getFirstMonthByQuarter(quarter);
```
#### timeSolver time unit
*
| time unit | parameter | abbr |
|---|---|---|
| Millisecond | "MILLISECOND" | "mill" |
| Second | "SECOND" | "s" |
| Minute | "MINUTE" | "min" |
| Hour | "HOUR" | "h" |
| Day | "DAY" | "d" |
| Month | "MONTH" | "m" |
| Year | "YEAR" | "y" |
| format |
|---|
| "YYYY" |
| "YYYYMM" |
| "YYYYMMDD" |
| "MMDDYYYY" |
| "HH:MM:SS" |
| "HH:MM:SSS" |
| "YYYY/MM/DD" |
| "YYYY/MM/DD HH:MM:SS" |
| "YYYY/MM/DD HH:MM:SS.SSS" |
| "YYYY-MM-DD" |
| "YYYY-MM-DD HH:MM:SS" |
| "YYYY-MM-DD HH:MM:SS.SSS" |
| "YYYY.MM.DD" |
| "YYYY.MM.DD HH:MM:SS" |
| "YYYY.MM.DD HH:MM:SS.SSS" |
| "MM/DD/YYYY" |
| "MM/DD/YYYY HH:MM:SS" |
| "MM/DD/YYYY HH:MM:SS.SSS" |
| "MM-DD-YYYY" |
| "MM-DD-YYYY HH:MM:SS" |
| "MM-DD-YYYY HH:MM:SS.SSS" |
| "MM.DD.YYYY" |
| "MM.DD.YYYY HH:MM:SS" |
| "MM.DD.YYYY HH:MM:SS.SSS" |
| format |
|---|
| "YYYY/MM/DD" |
| "YYYY-MM-DD" |
| "YYYY.MM.DD" |
| "YYYY/MM/DD HH:MM:SS" |
| "YYYY-MM-DD HH:MM:SS" |
| "YYYY.MM.DD HH:MM:SS" |