bufferToImage.js 926 B

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. var env_1 = require("../env");
  4. function bufferToImage(buf) {
  5. return new Promise(function (resolve, reject) {
  6. if (!(buf instanceof Blob)) {
  7. return reject('bufferToImage - expected buf to be of type: Blob');
  8. }
  9. var reader = new FileReader();
  10. reader.onload = function () {
  11. if (typeof reader.result !== 'string') {
  12. return reject('bufferToImage - expected reader.result to be a string, in onload');
  13. }
  14. var img = env_1.env.getEnv().createImageElement();
  15. img.onload = function () { return resolve(img); };
  16. img.onerror = reject;
  17. img.src = reader.result;
  18. };
  19. reader.onerror = reject;
  20. reader.readAsDataURL(buf);
  21. });
  22. }
  23. exports.bufferToImage = bufferToImage;
  24. //# sourceMappingURL=bufferToImage.js.map