geotiff.js/src/decoder.worker.js

GeoTIFF image decoding in JavaScript

/* eslint-disable no-restricted-globals */

import { getDecoder } from './compression';

function decode(self, fileDirectory, buffer) {
  const decoder = getDecoder(fileDirectory);
  const result = decoder.decode(fileDirectory, buffer);
  self.postMessage([result], [result]);
}

if (typeof self !== 'undefined') {
  self.addEventListener('message', (event) => {
    const [name, ...args] = event.data;
    switch (name) {
      case 'decode':
        decode(self, ...args);
        break;
      default:
        break;
    }
  });
}