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Javi

Azure: function para generar qrcode

Jun 15th, 2017
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  1. var qr = require('qr-image');
  2.  
  3. module.exports = function (context, req) {
  4. function sendSVG(svg) {
  5. context.res = {
  6. headers : {
  7. "Content-Type" : "image/svg+xml"
  8. },
  9. body: svg
  10. };
  11. context.done();
  12. }
  13.  
  14. context.log('Inicializando.');
  15.  
  16. if (!req.query.url) {
  17. context.res = {
  18. status: 400,
  19. body: "The url is a mandatory parameter."
  20. };
  21. context.done();
  22. return;
  23. }
  24. let svg = '';
  25. let stream = qr.image(req.query.url, { type: 'svg' });
  26. stream.on('data', data => svg += data);
  27. stream.on('end', data => sendSVG(svg));
  28.  
  29.  
  30. };
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