Pure Javascript OCR for more than 100 Languages 📖🎉🖥
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const { TesseractWorker } = Tesseract;
const isBrowser = typeof window !== 'undefined' && typeof window.document !== 'undefined';
const IMAGE_PATH = 'http://localhost:3000/tests/assets/images';
const loadLangOptions = {
langPath: 'http://localhost:3000/tests/assets/traineddata',
cachePath: './tests/assets/traineddata',
};
const getWorker = options => (
new TesseractWorker({
cacheMethod: 'readOnly',
...(isBrowser ? { workerPath: 'http://localhost:3000/dist/worker.dev.js' } : {}),
...loadLangOptions,
...options,
})
);
describe('detect()', () => {
it('should detect OSD', (done) => {
[
{ name: 'cosmic.png', ans: { id: 12, degree: 0 } },
].forEach(({ name, ans: { id, degree } }) => {
const worker = getWorker();
worker
.detect(`${IMAGE_PATH}/${name}`)
.then(({ tesseract_script_id, orientation_degrees }) => {
expect(tesseract_script_id).to.be(id);
expect(orientation_degrees).to.be(degree);
done();
});
});
}).timeout(10000);
});