zip-file-processor

This package provides functionality for processing ZIP files, including extracting a JSON file, modifying its content, and adding text to images.

Installation

Install the package with npm:

npm install zip-file-processor

Usage

Import the module and call the processZipFile function, passing it a ZIP file for processing:

import { processZipFile } from 'zip-file-processor';

async function processMyZipFile(file) {
    const updatedFile = await processZipFile(file);

    if (updatedFile) {
        console.log('ZIP file processed successfully and saved');
    } else {
        console.error('Error occurred while processing ZIP file');
    }
}

// Example usage
const inputFile = document.getElementById('zip-file-input').files[0];

processMyZipFile(inputFile);

Functionality

• processZipFile: Extracts a JSON file from the ZIP archive, modifies its content by adding text to images, and creates a new ZIP archive with the updated content;
• extractJsonFile: Searches for a JSON file in the ZIP archive and extracts its content;
• updateJsonContent: Modifies the JSON file's content by adding text to images;

Dependencies

• jszip: A library for working with ZIP archives. Documentation
• canvas: A browser API for drawing graphics on a canvas. Documentation

Requirements

• Node.js version 12.0.0 or higher.;
• npm version 6.0.0 or higher;

Examples

// Example of handling errors and providing feedback to the user
async function processMyZipFile(file) {
    try {
        const updatedFile = await processZipFile(file);

        if (updatedFile) {
            console.log('ZIP file processed successfully and saved');
        }
    } catch (error) {
        console.error('Error occurred while processing ZIP file:', error.message);
    }
}

// Example of using FileReader to save the updated ZIP file
const inputFile = document.getElementById('zip-file-input').files[0];

processMyZipFile(inputFile).then(() => {
    const fileSaver = new FileReader();

    fileSaver.onload = (event) => {
        const blob = new Blob([event.target.result], { type: updatedFile.type });
        const link = document.createElement('a');

        link.href = URL.createObjectURL(blob);
        link.download = updatedFile.name;
        link.click();
    };

    fileSaver.readAsArrayBuffer(updatedFile);
});

License

zip-file-processor zip-file-processor is licensed under the ISC License. License

Contact Information

• Name: Atabay Arniyazov
• Email: [email protected]

Acknowledgments

This package was created using the following resources and libraries:

• jszip: https://github.com/Stuk/jszip
• canvas: https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API