Node.js Module and CLI to generate Data URI scheme.
The data URI scheme is a uniform resource identifier (URI) scheme that provides a way to include data in-line in web pages as if they were external resources.
from: Wikipedia
MODULE
For Node 8+ compatibility:
npm install --save datauri
Getting started
By default, datauri module returns a promise, which is resolved with data:uri
string or rejected with file read error:
const datauri = require('datauri');
const content = await datauri('test/myfile.png');
console.log(content)
Callback style and meta data
const datauri = require('datauri');
datauri('test/myfile.png', (err, content, meta) => {
if (err) {
throw err;
}
console.log(content);
console.log(meta.mimetype);
console.log(meta.base64);
console.log(meta.getCSS());
console.log(meta.getCSS({
class: "myClass",
width: true,
height: true
}));
});
Synchronous calls
const Datauri = require('datauri/sync');
const meta = Datauri('test/myfile.png');
console.log(meta.content);
console.log(meta.mimetype);
console.log(meta.base64);
console.log(meta.getCSS());
console.log(meta.getCSS("myClass"));
From a Buffer
If you already have a file Buffer, that's the way to go:
const DatauriParser = require('datauri/parser');
const parser = new DatauriParser();
const buffer = fs.readFileSync('./hello');
parser.format('.png', buffer);
From a string
const DatauriParser = require('datauri/parser');
const parser = new DatauriParser();
parser.format('.png', 'xkcd');
Contribute
$ npm install
To run test specs
$ npm test
Requirements
Node.js 8+
Previous Node versions and deprecated features:
npm install --save datauri@2
docs: https://github.com/data-uri/datauri/blob/v2.0.0/docs/datauri.md
License
MIT License
(c) Data-URI.js
(c) Helder Santana