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datauri
Advanced tools
Readme
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
npm install datauri
By default, datauri module returns a promise, which is resolved with data:uri
string or rejected with read file error:
const datauri = require('datauri');
const content = await datauri('test/myfile.png');
console.log(content);
//=> "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..."
const datauri = require('datauri');
datauri('test/myfile.png', (err, content, meta) => {
if (err) {
throw err;
}
console.log(content); //=> "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..."
console.log(meta.mimetype); //=> "image/png"
console.log(meta.base64); //=> "iVBORw0KGgoAAAANSUhEUgAA..."
console.log(meta.buffer); //=> file buffer
});
const datauriCSS = require('datauri/css');
await datauriCSS('test/myfile.png');
//=> "\n.case {\n background-image: url('data:image/png; base64,iVBORw..."
await datauriCSS('test/myfile.png', {
className: 'myClass',
width: true,
height: true
});
//=> adds image width and height and custom class name
const Datauri = require('datauri/sync');
const meta = Datauri('test/myfile.png');
console.log(meta.content); //=> "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..."
console.log(meta.mimetype); //=> "image/png"
console.log(meta.base64); //=> "iVBORw0KGgoAAAANSUhEUgAA..."
console.log(meta.buffer); //=> file 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); //=> "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..."
const DatauriParser = require('datauri/parser');
const parser = new DatauriParser();
parser.format('.png', 'xkcd'); //=> "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..."
$ npm install
To run test specs
$ npm test
Node.js 10+
Node.js 8
npm install --save datauri@3
docs: https://github.com/data-uri/datauri/blob/v3.0.0/docs/datauri.md
Node.js 4+
npm install --save datauri@2
docs: https://github.com/data-uri/datauri/blob/v2.0.0/docs/datauri.md
MIT License
(c) Data-URI.js
(c) Helder Santana
FAQs
Create DataURI scheme easily
The npm package datauri receives a total of 188,641 weekly downloads. As such, datauri popularity was classified as popular.
We found that datauri demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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