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image-data-uri

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image-data-uri

Library to easily decode/encode Data URI images

  • 2.0.1
  • latest
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
12K
decreased by-4.3%
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Image Data URI

Library to easily decode/encode Data URI images

Installation

npm install image-data-uri

CLI

npm install image-data-uri -g
npx image-data-uri --help

Methods

  • decode(dataURI)
imageDataURI.decode('data:image/png;base64,SOMEPNGDATAURI/wD/')

// RETURNS
{
    imageType: 'image/png',
    dataBase64: 'SOMEPNGDATAURI/wD/',
    dataBuffer: <Buffer 89 50 4e 47 0d 0a ...>
}
  • encode(data, mediaType)
// Expects a Buffer of a image file
let dataBuffer = new Buffer(imageData);

// PNG | GIF | etc.
let mediaType = 'PNG';

// RETURNS :: image data URI :: 'data:image/png;base64,PNGDATAURI/wD/'
imageDataURI.encode(dataBuffer, mediaType)
  • encodeFromURL(imageURL)
// Returns a Promise
imageDataURI.encodeFromURL('http://www.some-site.com/some-image.png')

    // RETURNS image data URI :: 'data:image/png;base64,PNGDATAURI/'
    .then(res => console.log(res))
  • encodeFromFile(filePath)
// Returns a Promise
imageDataURI.encodeFromFile('./some-file.png')

    // RETURNS image data URI :: 'data:image/png;base64,PNGDATAURI/'
    .then(res => console.log(res))
  • outputFile(dataURI, filePath)
// Some image data uri
let dataURI = 'data:image/png;base64,PNGDATAURI/';

// It will create the full path in case it doesn't exist
// If the extension is defined (e.g. fileName.png), it will be preserved, otherwise the lib will try to guess from the Data URI
let filePath = './out/path/fileName';

// Returns a Promise
imageDataURI.outputFile(dataURI, filePath)

    // RETURNS image path of the created file 'out/path/fileName.png'
    .then(res => console.log(res))

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Package last updated on 30 Jul 2019

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