@qifi/generate

Stream Generated QR Codes for data transmission

Sponsors

Usage

import {
  createGeneraterANSI,
  createGeneraterUnicode,
  createGeneraterUnicodeCompact,
  createGeneraterSVG,
  createGeneraterQRCodeArray,
} from '@qifi/generate'

const generaterSvg = createGeneraterSVG(new Uint8Array(file.buffer))

const generaterANSI = createGeneraterANSI(new Uint8Array(file.buffer), {
  // Size of each data slice
  sliceSize: 250,
  // Error correction level
  ecc: 'L',
  // Border width
  border: 2,
})

// display QR Code in terminal
for (const blockQRCode of generaterANSI.fountain()) {
  console.log(blockQRCode)
}

With meta data

If you want to transfer the metadata of the file:

import {
  appendFileHeaderMetaToBuffer,
  readFileHeaderMetaFromBuffer,
} from '@qifi/generate'

const data = new Uint8Array(file.buffer)
const meta = {
  filename: file.name,
  contentType: file.type,
}
const merged = appendFileHeaderMetaToBuffer(data, meta)
const generater = createGeneraterUnicode(merged)

// Send blocks to the receiver
for (const block of generater.fountain()) {
  // display QR Code in terminal
  console.log(blockQRCode)
}

and you can use appendMetaToBuffer and readMetaFromBuffer to add and read custom metadata.