romanice - Convert to/from Roman numerals
A JavaScript library for converting to/from Roman numerals, e.g., 3888MMMDCCCLXXXVIII, 38888ↂↂↂↁↀↀↀⅮⅭⅭⅭⅬⅩⅩⅩⅤⅠⅠⅠ
Install
npm install romanice
Import
CommonJS
const Romanice = require('romanice');ES6
import * as Romanice from 'romanice';Browser
<script src="https://cdn.jsdelivr.net/npm/romanice/dist/romanice.min.js"></script>Usage
Standard - I, V, X, L, C, D, M
const { romanice } = Romanice;
const standardConverter = romanice();
const roman = standardConverter.toRoman(3888);
// roman === 'MMMDCCCLXXXVIII'
const decimal = standardConverter.fromRoman('MMMCMXCIX');
// decimal === 3999
Unicode - Ⅰ, Ⅴ, Ⅹ, Ⅼ, Ⅽ, Ⅾ, ↀ, ↁ, ↂ
const { romanice, symbols } = Romanice;
const unicodeConverter = romanice(symbols.UNICODE);
const roman = unicodeConverter.toRoman(38888);
// roman === 'ↂↂↂↁↀↀↀⅮⅭⅭⅭⅬⅩⅩⅩⅤⅠⅠⅠ'
const decimal = unicodeConverter.fromRoman('ↂↂↂↀↂⅭↀⅩⅭⅠⅩ');
// decimal === 39999Syntax
romanice([symbols])
symbols - Array of Roman numeral symbols representing the character set. If omitted, assumes the standard symbols ['I', 'V', 'X', 'L', 'C', 'D', 'M'].