numora

A lightweight, framework-agnostic numeric input library for handling currency and decimal inputs in financial/DeFi applications. Built with TypeScript and designed for modern web applications with:

• Zero dependencies - minimal footprint for your bundle
• Type safety - fully typed API for better developer experience
• Framework agnostic - use with any framework or vanilla JavaScript
• Customizable - extensive options to fit your specific needs

Demo

Check out the live demo to see Numora in action.

Features

• Validates and sanitizes numeric input
• Limits decimal places
• Handles paste events
• Converts commas to dots
• Prevents multiple decimal points
• Customizable with various options
• Framework-agnostic core with adapters for popular frameworks

Installation

npm install numora
# or
yarn add numora
# or
pnpm add numora

Usage

import { NumericInput } from 'numora';

// Get the container element where you want to mount the input
const container = document.querySelector('#my-input-container');

// Create a new NumericInput instance
const numericInput = new NumericInput(container, {
  maxDecimals: 2,
  onChange: (value) => {
    console.log('Value changed:', value);
    // Do something with the value
  },
  // ... all other input properties you want
});

Options

The NumericInput constructor accepts the following options: | Option | Type | Default | Description | | --------------- | -------- | --------- | -------------------------------------------------------- | | maxDecimals | number | 2 | Maximum number of decimal places allowed | | onChange | function | undefined | Callback function that runs when the input value changes | | supports all input properties | - | - | - |

Framework Adapters

Numora is also available for popular frameworks:

• React: numora-react (in progress)
• Vue: numora-vue (in progress)
• Svelte: numora

License

MIT