Function createOcrPdfLoader

Checks whether tesseract.js is available in the current environment and, if so, returns a new OCR PDF loader instance; otherwise returns null.

The check is performed by attempting to resolve the package path using Node's createRequire. This avoids a full async dynamic import at call time while still being accurate.

Usage

import { createOcrPdfLoader } from './OcrPdfLoader.js';
import { PdfLoader } from './PdfLoader.js';

const ocrLoader = createOcrPdfLoader();
const loader = new PdfLoader(ocrLoader);
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