在 Node.js SDK 中从 PDF 中移除表格

    import credentials from "../../../../Credentials/credentials.json"  with { type: "json" };
    import fs from 'node:fs/promises';
    import path from 'node:path';
    import { PdfApi } from "../../../src/api/api.js"

    const configParams = {
        LOCAL_FOLDER: "C:\\Samples\\",
        PDF_DOCUMENT_NAME: "sample.pdf",
        LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf",
        PAGE_NUMBER: 1,                                 // Your document page number...
        TABLE_ID: "GE5TCOZSGAYCYNRQGUWDINZVFQ3DGMA",     // Your table id...
    };

    const pdfApi = new PdfApi(credentials.id, credentials.key);

    const pdfTables = {
        async uploadDocument () {
            const fileNamePath = path.join(configParams.LOCAL_FOLDER, configParams.PDF_DOCUMENT_NAME);
            const pdfFileData = await fs.readFile(fileNamePath);
            await pdfApi.uploadFile(configParams.PDF_DOCUMENT_NAME, pdfFileData);
            console.log("File '" + configParams.PDF_DOCUMENT_NAME + "' successfully uploaded!");
        },
                                
        async downloadResult () {
            const changedPdfData = await pdfApi.downloadFile(configParams.PDF_DOCUMENT_NAME);
            const filePath = path.join(configParams.LOCAL_FOLDER, configParams.LOCAL_RESULT_DOCUMENT_NAME);
            await fs.writeFile(filePath, changedPdfData.body);
            console.log("Downloaded: " + filePath);
        },

        async getAllTables (prefix) {
            const resultTabs = await pdfApi.getDocumentTables(configParams.PDF_DOCUMENT_NAME);
        
            if (resultTabs.body.code == 200 && resultTabs.body.tables) {
                if (!Array.isArray(resultTabs.body.tables.list) || resultTabs.body.tables.list.length === 0)
                    console.log(prefix + " => Unexpected error : tables is null or empty!!!");
                else
                    this.showTablesInfo(resultTabs.body.tables.list, prefix);
            }
            else
                console.error(prefix + " => Unexpected error : can't get tables!!!");
        },

        async deleteTable () {
            const resultTabs = await pdfApi.deleteTable(configParams.PDF_DOCUMENT_NAME, configParams.TABLE_ID);
            if (resultTabs.body.code == 200) {
                console.log("Table #" + configParams.TABLE_ID + " deleted!");
                return true;
            }
            else
                console.error("Unexpected error : can't delete table!");
        },

        async deleteTables () {
            const resultTabs = await pdfApi.deletePageTables(configParams.PDF_DOCUMENT_NAME, configParams.PAGE_NUMBER);

            if (resultTabs.body.code == 200) {
                console.log("Tables on page #" + configParams.PAGE_NUMBER + " deleted!");
                return true;
            }
            else
                throw new Error("Unexpected error : can't get tables!!!");
        },

        showTablesInfo (tables, prefix) {
            if (Array.isArray(tables) && tables.length > 0)
            {
                tables.forEach(function(table) {
                    console.log(prefix +" => id: '" + table.id + "', page: '" + table.pageNum + "', rows: '" + table.rowList.length + "', columns: '" + table.rowList[0].cellList.length + "'");
                });
            }
            else
                console.error("showTablesInfo() error: array of tables is empty!")
        },
    }

    async function main() {
        try {
            await pdfTables.uploadDocument();

            await pdfTables.getAllTables("All tables");
            await pdfTables.deleteTable();
            await pdfTables.getAllTables("Tables after drop one");

            await pdfTables.deleteTables(configParams.PAGE_NUMBER);
            await pdfTables.getAllTables("Tables after drop all");

            await pdfTables.downloadResult();
        } catch (error) {
            console.error("Error:", error.message);
        }
    }