Конвертируйте PNG в PDF в Node.js SDK

    const fs = require("fs");
    const credentials = require("./credentials.json");
    const { PdfApi } = require("asposepdfcloud");
    const { ImageTemplatesRequest } = require("asposepdfcloud/src/models/imageTemplatesRequest");
    const { ImageTemplate } = require("asposepdfcloud/src/models/imageTemplate");
    const { ImageSrcType } = require("asposepdfcloud/src/models/imageSrcType");

    // Load your Application Secret and Key from the JSON file or set credentials in another way
    async function convertPNGtoPDF() {
        const localImageFileName = "C:\\Samples\\sample.png";
        const storageImageFileName = "sample.png";
        const pdfApi = new PdfApi(credentials.id, credentials.key);
        let fileData = await fs.readFile(localImageFileName);
        try {
            let uploadResult = await pdfApi.uploadFile(storageImageFileName, fileData);
            console.log(uploadResult.response.text);
        }
        catch (error) {
            console.error(error.response.text);
        }
        let imageTemplateList = [];
        let imageTemplate = new ImageTemplate();
        imageTemplate.imagePath = storageImageFileName;
        imageTemplate.imageSrcType = ImageSrcType.Common;
        imageTemplateList.push(imageTemplate);

        let imageTemplatesRequest = new ImageTemplatesRequest()
        imageTemplatesRequest.IsOCR = false;
        imageTemplatesRequest.imagesList = imageTemplateList;

        try {
            let convertResult = await pdfApi.putImageInStorageToPdf("sample-png-to-pdf.pdf", imageTemplatesRequest);
            console.log(convertResult.response.text);
            const buffer = await pdfApi.downloadFile(STORAGE_FILENAME);
        } catch (error) {
            console.error(error.response.text);
        }
    }