import vision from "@google-cloud/vision";
import { protos } from "@google-cloud/vision";
import path from "path";
const client = new vision.ImageAnnotatorClient({
keyFilename: path.resolve("gcp-key.json"),
});
export async function extractTextFromPdfInCloud(
gcsInputUri: string,
gcsOutputUri: string
): Promise<void> {
const request: protos.google.cloud.vision.v1.IAsyncBatchAnnotateFilesRequest = {
requests: [
{
inputConfig: {
gcsSource: {
uri: gcsInputUri,
},
mimeType: "application/pdf",
},
features: [
{
type: protos.google.cloud.vision.v1.Feature.Type.DOCUMENT_TEXT_DETECTION,
},
],
outputConfig: {
gcsDestination: {
uri: gcsOutputUri,
},
batchSize: 1,
},
},
],
};
console.log("📤 Sending PDF to Google Cloud Vision API...");
const [operation] = await client.asyncBatchAnnotateFiles(request);
console.log("⏳ Waiting for OCR operation to complete...");
await operation.promise();
console.log("✅ OCR completed. Output written to:", gcsOutputUri);
}
