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saveBase64()

saveBase64(base64String, saveAs [, mime, callback])

Saves a Base64 encoded file to your persistent storage.

— base64String (String)

Contents of the file to save. Can be pure Base64 or a Data URI Scheme string starting with data:.

— saveAs (String)

Where to put the file on your persistent storage.
If a file with the same name already exists, it is overwritten.

  • file.jpg
  • any/sub/directory/file.png
  • dir/ (fails because no file name was given)

You do not need to create any intermediate directory (a/b/c/d/e.jpg will work).

— mime (String)

MIME type of the file being saved (optional).
By default, it is guessed either from the Data URI Scheme string or from the file extension of the saveAs parameter (if this fails, no MIME type is set).

  • image/jpeg
  • image/png
  • image/svg+xml

— callback (Function(err, url))

Function called when finished.

  • err (String): null or a description of what went wrong if something went wrong (typically if there was a network error or timeout).
  • url (String): the full url to the file on your persistent storage.
const base64String = "data:image/png;base64,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"
const saveAs = "img/phantom.png"
const mime = "image/png"

try {
  const url = await buster.saveBase64(base64Image, saveAs, mime)
  console.log("File successfully saved at:", url)
  // The file is permanently saved at this url you can access
} catch (err) {
  console.log("Could not save the file:", err)
}

const base64String = "data:image/png;base64,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"
const saveAs = "img/phantom.png"
const mime = "image/png"

await buster.saveBase64(base64Image, saveAs, mime)
.then((url) => {
  console.log("File successfully saved at:", url)
  // The file is permanently saved at this url you can access
})
.catch((err) => {
  console.log("Could not save the file:", err)
})

var base64String = "data:image/png;base64,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"
var saveAs = "img/phantom.png"
var mime = "image/png"

await buster.saveBase64(base64Image, saveAs, mime, function (err, url) {
  if (err) {
    console.log("Could not save the file:", err)
  } else {
    console.log("File successfully saved at:", url)
    // The file is permanently saved at this url you can access
  }
})