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

Demo Page

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"

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"

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>

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.

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.

shoutatani