@readme/data-urls

A utility for parsing and validating data URLs.

This library is a loose fork of parse-data-url and valid-data-url.

Installation

npm install --save @readme/data-urls

Usage

import { parse, validate } from '@readme/data-urls';

const url = 'data:image/png;name=owlbert-shrub.png;base64,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';

console.log(validate(url)); // true
console.log(parse(url));

{
  mediaType: 'image/png;name=owlbert-shrub.png',
  contentType: 'image/png',
  name: 'owlbert-shrub.png',
  base64: true,
  data: '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',
  toBuffer: [Function (anonymous)]
}