japanese-date-converter

This module help you to convert Japanese date and Western years.

Demo Page

Installation

Using in CommonJS

In CommonJS, please use like this.

const { JapaneseDateConverter } = require('japanese-date-converter')

const inputValue = "R01/05/01";
const settings = {
  format: "yyyy/MM/dd"
};
const converter = new JapaneseDateConverter({ inputValue, settings });
const convertedValue = converter.execute();
console.log(convertedValue); // "2019/05/01"

Using in ES Modules

In ES Modules, please use like this.

import { JapaneseDateConverter } from "japanese-date-converter";

const inputValue = "R01/05/01";
const settings = {
  format: "yyyy/MM/dd"
};
const converter = new JapaneseDateConverter({ inputValue, settings });
const convertedValue = converter.execute();
console.log(convertedValue); // "2019/05/01"

Using in jQuery

Download script in dist folder, and include the script after loading your jQuery library.

<script src="../dist/jquery.japanese-date-converter.js"></script>

And, call like this.
In this library, library catch change event, so inputted text will be formatted automatically after text entering.

<script>
  $(document).ready(function () {
    $("#target").japanese_date_converter({ format: "yyyy/MM/dd" });
  });
</script>

Details

1. When text inputted, the text will be parsed internally in this library.

2. After parsed internally in this library, parsed date(time) will be formatted as given format.

• example
  • When format is "gee/MM/dd", "2019/04/30" will be formatted as "H31/04/30".
  • When format is "ggge年M月d日", "2019/04/05" will be formatted as "平成31年4月5日".
• If you'd like to know more, please check Demo Page.

3. Supported format is as below.

years

style	example date	converted example
ggg	2019/04/30	平成
gg	2019/04/30	平
g	2019/04/30	H
yyyy	2019/04/30	2019
yy	2019/04/30	19
ee	1990/04/30	02
e	1990/04/30	2

months

style	example date	converted example
mmmmm	2019/04/30	A
mmmm	2019/04/30	April
mmm	2019/04/30	Apr
MM	2019/04/30	04
M	2019/04/30	4

days

style	example date	converted example
dd	2019/04/02	02
d	2019/04/02	2

Contributing

1. fork this repository.
2. run yarn install
3. fix or add new feature.
4. after fix or add new feature, run these command.

• yarn lint
• yarn test
• yarn build

5. if any warn or error occurred, fix your code and run above commands again.
6. commit your changes, and create Pull Request in GitHub.

Authors

shoutatani