Assembly for .NET Assembly for Java Assembly for Python via .NET

Assembly for Node.js via Java

Node.js API for Simplified Document and Report Automation

Streamline JavaScript report generation by merging your data with pre-built templates.

const assemblyLib = require('@groupdocs/groupdocs.assembly');

// Path to the main template
const template = "chart_template.docx";

// Retrieve managers' productivity data from the source
const data_table = 
    new assemblyLib.DocumentTable("Managers.json", 1);

// Create an instance of DataSourceInfo with the data
const data 
    = new assemblyLib.DataSourceInfo(data_table, "managers");

// Set chart colors using another DataSourceInfo
const design = 
    new assemblyLib.DataSourceInfo("red", "color");

// Fill the template with data and save it to the output
const asm = new assemblyLib.DocumentAssembler();
asm.assembleDocument(template, "result.docx", data, design);

npm i @groupdocs/groupdocs.assembly

GroupDocs.Assembly Overview

A Node.js library built for creating documents programmatically with integrated data handling.

Integrate Business Data into Templates with JavaScript

Generate polished reports by embedding JSON, XML, or other data into templates with GroupDocs.Assembly for Node.js via Java.

Manage Embedded Content

Automatically populate tables, charts, and other visuals in your documents using external data.

Customizable Options

GroupDocs.Assembly for Node.js via Java allows you to add features like barcodes, fetch data from URLs, and export files in various formats.

Platform independence

GroupDocs.Assembly for Node.js via Java integrates smoothly with leading operating systems, frameworks, and package managers.

Supported file formats

GroupDocs.Assembly for Node.js via Java supports a broad array of document formats.

Microsoft Office formats

Word: DOCX, DOC, DOCM, DOT, DOTX, DOTM, RTF, WordprocessingML
Excel: XLSX, XLS, XLSM, XLSB, XLTM, XLT, XLTM, XLTX, SpreadsheetML
PowerPoint: PPT, PPTX, PPTM, PPS, PPSX, PPSM, POTM, POTX

Images & Other Formats

Portable: PDF
Images: SVG, TIFF
Other office formats: ODT, OTT, OTS, ODS, ODP, OTP

Other formats

Web: HTML, MHTML
Emails: EML, MSG, EMLX
Other: EPUB, MD

Core Features of GroupDocs.Assembly

Create dynamic documents and reports with powerful data management tools.

Rich Data Visuals

Easily insert charts, tables, images, and lists into your documents with full customization.

Transform Your Data

Leverage tools like formulas and sorting to structure and display information effectively.

Wide Format Compatibility

Work seamlessly with popular file formats for templates and outputs.

Advanced Template Customization

Format templates with numeric, alphabetic, and other styling options.

Generate Barcodes Dynamically

Create and embed barcode images directly into your documents on demand.

Flexible Text Styling

Easily apply text styles like capitalization or title case in your templates.

Dynamic Content Insertion

Include content from external files dynamically during document generation.

Export to Various Formats

Save documents in multiple formats with your specified configurations.

Embed Media Dynamically

Insert images or other elements using Base64 data when creating documents.

Code samples

Discover practical examples of how to use GroupDocs.Assembly for common tasks.

Add a Bulleted List in Word Documents

See how to create bulleted lists in Word documents to organize data effectively. This example demonstrates how to generate a bulleted list using GroupDocs.Assembly.

Add a Bulleted List in Word Documents

// Insert this template on a document page:
// Managers' performance indicators
// . <<foreach [in products]>><<[ProductName]>>
// <</foreach>>

const assemblyLib = require('@groupdocs/groupdocs.assembly');

// Specify the template path
const template = "Bulleted List Template.docx";

// Set the output file path
const result = "Result Report.docx"

// Retrieve managers' data from a JSON source
const dataSource = new assemblyLib.JsonDataSource("Report data.json");
const data = new assemblyLib.DataSourceInfo(dataSource, "managers")

// Generate the report with the filled data
const assembler = new assemblyLib.DocumentAssembler();
assembler.assembleDocument(template, result, data);

Insert Pie Charts into PowerPoint

Learn how to use templates and XML to add pie charts in your presentations. Enhance your reports with pie charts to present data visually and clearly.

Insert Pie Charts into PowerPoint

// Add the chart title template to the presentation:
// Customers' revenue <<foreach [in customers]>> 
// <<x [CustomerName]>>

// Also include the chart data template:
// Total Order Price<<foreach [in customers]>> 
// <<x [CustomerName]>>

const assemblyLib = require('@groupdocs/groupdocs.assembly');

// Specify the chart template path
const template = "Pie Chart Template.pptx";

// Set the output file path
const result = "Result Report.pptx"

// Retrieve customers' data from an XML source
const dataSource = new assemblyLib.JsonDataSource("Chart data.xml");
const data = new assemblyLib.DataSourceInfo(dataSource, "customers")

// Generate the chart and save the result
const assembler = new assemblyLib.DocumentAssembler();
assembler.assembleDocument(template, result, data);