@ironsoftware/ironpdf/src/internal/grpc_layer/pdfium/compress.ts

IronPDF for Node

import {ServiceError} from "@grpc/grpc-js";
import {IronPdfServiceClient} from "../../generated_proto/ironpdfengineproto/IronPdfService";
import {Access} from "../../access";
import {EmptyResultP__Output} from "../../generated_proto/ironpdfengineproto/EmptyResultP";
import {handleEmptyResultP__Output} from "../util";

export async function compressImage(
	id: string,
	imageQuality: number,
	scaleToVisibleSize = false
): Promise<void> {
	const client: IronPdfServiceClient = await Access.ensureConnection();
	return new Promise(
		(resolve: () => void, reject: (errorMsg: string) => void) => {
			client.Pdfium_Compress_CompressImages(
				{
					document: {documentId: id},
					scaleToVisibleSize: scaleToVisibleSize,
					quality: imageQuality,
				},
				(
					err: ServiceError | null,
					value: EmptyResultP__Output | undefined
				) => {
					if (err) {
						reject(`${err.name}/n${err.message}`);
					} else if (value) {
						handleEmptyResultP__Output(value, reject);
						resolve();
					}
				}
			);
		}
	);
}

export async function compressStructTree(
	id: string
): Promise<void> {
	const client: IronPdfServiceClient = await Access.ensureConnection();
	return new Promise(
		(resolve: () => void, reject: (errorMsg: string) => void) => {
			client.Pdfium_Compress_RemoveStructTree(
				{
					document: {documentId: id}
				},
				(
					err: ServiceError | null,
					value: EmptyResultP__Output | undefined
				) => {
					if (err) {
						reject(`${err.name}/n${err.message}`);
					} else if (value) {
						handleEmptyResultP__Output(value, reject);
						resolve();
					}
				}
			);
		}
	);
}