Node.js SDK で PDF を PNG に変換

    const fs = require("fs");
    const credentials = require("./credentials.json");
    const { PdfApi } = require("asposepdfcloud");

    // Load your Application Secret and Key from the JSON file or set credentials in another way
    async function convertPDFtoPNG() {
        const localFileName = "C:\\Samples\\sample.pdf";
        const storageFileName = "sample.pdf";
        const pdfApi = new PdfApi(credentials.id, credentials.key);
        let fileData = await fs.readFile(localImageFileName);
        try {
            let uploadResult = await pdfApi.uploadFile(storageFileName, fileData);
            console.log(uploadResult.response.text);
        }
        catch (error) {
            console.error(error.response.text);
        }

        try {
            let convertResult = await pdfApi.getPageConvertToPng(storageFileName, 1);
            fs.writeFileSync("sample.png", convertResult.body);
            const buffer = await pdfApi.downloadFile(STORAGE_FILENAME);
        } catch (error) {
            console.error(error.response.text);
        }
    }