35 lines
916 B
TypeScript
35 lines
916 B
TypeScript
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import type { ExtractionConfig } from "@kreuzberg/wasm";
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import { extractBytes, initWasm } from "@kreuzberg/wasm";
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async function extractImageMetadata() {
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await initWasm();
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const bytes = new Uint8Array(await fetch("document.pdf").then((r) => r.arrayBuffer()));
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const config: ExtractionConfig = {
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images: {
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extractImages: true,
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targetDpi: 150,
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},
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};
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const result = await extractBytes(bytes, "application/pdf", config);
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if (result.images) {
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result.images.forEach((image, index) => {
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console.log(`Image ${index}:`, {
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format: image.format,
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width: image.width,
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height: image.height,
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pageNumber: image.pageNumber,
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colorspace: image.colorspace,
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bitsPerComponent: image.bitsPerComponent,
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isMask: image.isMask,
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dataSize: image.data.byteLength,
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});
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});
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}
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}
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extractImageMetadata().catch(console.error);
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