Replace Tables in PDF in Node.js SDK

API for working with Tables in PDF documents using Cloud Node.js SDK

How to replace Tables in PDF via Node.js SDK

To replace Tables in PDF, we’ll use Aspose.PDF Cloud Node.js SDK. This Cloud SDK assists Node.js programmers in developing cloud-based PDF creator, annotator, editor, and converter apps using Node.js programming language via Aspose.PDF REST API. Simply create an account at Aspose for Cloud and get your application information. Once you have the App SID & key, you are ready to give the Aspose.PDF Cloud Node.js SDK.

Package Manager Console Command
     
    npm install asposepdfcloud --save

Steps to replace Tables in PDF via Cloud Node.js

Aspose.PDF Cloud developers can easily load & replace Tables in PDF in just a few lines of code.

Read the local PDF file.
Upload a local PDF to Aspose Cloud.
Retrieve and display all detected tables.
Retrieve and display one table by its ID.
Downloads the updated PDF file from the Aspose PDF Cloud storage.

Replace Tables in PDF using Node.js
    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";
    import { Table } from "../../../src/models/table.js";
    import { Cell } from "../../../src/models/cell.js";
    import { FontStyles } from "../../../src/models/fontStyles.js";
    import { GraphInfo } from "../../../src/models/graphInfo.js";
    import { Row } from "../../../src/models/row.js";
    import { TextRect } from "../../../src/models/textRect.js";

    const configParams = {
        LOCAL_FOLDER: "C:\\Samples\\",
        PDF_DOCUMENT_NAME: "sample.pdf",
        LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf",
        PAGE_NUMBER: 2,                                 // Your document page number...
        TABLE_ID: "GE5TCOZSGAYCYNRQGUWDINZVFQ3DGMA",    // Your table id...
        TABLE_ROWS: 5,
        TABLE_COLUMNS: 5,
    };

    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);
        },

        initTable () {
            const numOfCols = configParams.TABLE_COLUMNS;
            const numOfRows = configParams.TABLE_ROWS;

            const headerTextState = {
                font: "Arial Bold",
                fontSize: 11,
                foregroundColor: { a: 0xFF, r: 0xFF, g: 0xFF, b: 0xFF },
                fontStyle: FontStyles.Bold,
            };

            const commonTextState = {
                font: "Arial Bold",
                fontSize: 11,
                foregroundColor: { a: 0xFF, r: 0x70, g: 0x70, b: 0x70 },
            };
        
            const table = new Table();
            table.rows = [];
        
            let colWidths = "";
            for (let colIndex = 0; colIndex < numOfCols; colIndex++)
            {
                colWidths += " 70";
            }
        
            table.columnWidths = colWidths;
        
            const borderTableBorder = new GraphInfo();
            borderTableBorder.color = { a: 0xFF, r: 0x00, g: 0xFF, b: 0x00 };
            borderTableBorder.lineWidth = 0.5;
        
            table.defaultCellBorder = {
                top: borderTableBorder,
                right: borderTableBorder,
                bottom: borderTableBorder,
                left: borderTableBorder,
                roundedBorderRadius: 0
            };
            table.left = 150;
            table.top = 250;
        
            for (let rowIndex = 0; rowIndex < numOfRows; rowIndex++)
            {
                const row = new Row();

                row.cells = [];
        
                for (let colIndex = 0; colIndex < numOfCols; colIndex++)
                {
                    const cell = new Cell();
                    
                    cell.defaultCellTextState = commonTextState;

                    if (rowIndex == 0)  // header cells
                    {
                        cell.backgroundColor = { a: 0xFF, r: 0x80, g: 0x80, b: 0x80 };
                        cell.defaultCellTextState = headerTextState;
                    }
                    else {
                        cell.backgroundColor = { a: 0xFF, r: 0xFF, g: 0xFF, b: 0xFF };
                    };
                
                    const textRect = new TextRect();
                    if (rowIndex == 0)
                        textRect.text = "header #" + colIndex;
                    else
                        textRect.text = "value #'(" + rowIndex + "," + colIndex + "')";
                    cell.paragraphs = [textRect];

                    row.cells.push(cell);
                }
                table.rows.push(row);
            }
            return table;
        },

        async replaceTable () {
            const jsonTable = this.initTable();

            const resultTabs = await pdfApi.putTable(configParams.PDF_DOCUMENT_NAME, configParams.TABLE_ID, jsonTable);

            if (resultTabs.body.code == 200) {
                console.log("Table successfully replaced!");
                return resultTabs.body.table;
            }
            else
                console.error("Unexpected error : can't get tables!!!");
        },
    }

    async function main() {
        try {
            await pdfTables.uploadDocument();
            await pdfTables.replaceTable();
            await pdfTables.downloadResult();
        } catch (error) {
            console.error("Error:", error.message);
        }
    }