33 lines
872 B
TypeScript
33 lines
872 B
TypeScript
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import { extractBytes, initWasm, registerOcrBackend, TesseractWasmBackend } from "@kreuzberg/wasm";
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async function extractWithProgressTracking() {
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await initWasm();
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const backend = new TesseractWasmBackend();
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backend.setProgressCallback((progress: number) => {
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const progressBar = document.getElementById("progress");
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if (progressBar) {
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progressBar.style.width = `${progress}%`;
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progressBar.textContent = `${progress}%`;
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}
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});
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await backend.initialize();
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registerOcrBackend(backend);
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const bytes = new Uint8Array(await fetch("document.png").then((r) => r.arrayBuffer()));
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const result = await extractBytes(bytes, "image/png", {
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ocr: {
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backend: "tesseract-wasm",
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language: "eng",
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},
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});
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console.log("OCR complete");
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console.log(result.content);
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}
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extractWithProgressTracking().catch(console.error);
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