brainy/scripts/encode-image.js
David Snelling 3c16ea34c6 feat: add script for encoding images to Base64 and generating HTML output
Introduced `encode-image.js` to convert images to Base64 and create corresponding HTML `<img>` tags. Outputs a sample encoded result to `encoded-image.html`.
2025-06-11 09:17:17 -07:00

47 lines
1.3 KiB
JavaScript

import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';
// Get the directory of the current module
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
// Path to the image file
const imagePath = path.join(__dirname, '..', 'brainy.png');
// Read the image file
const imageBuffer = fs.readFileSync(imagePath);
// Convert the image to base64
const base64Image = imageBuffer.toString('base64');
// Get the MIME type based on file extension
const getMimeType = (filePath) => {
const ext = path.extname(filePath).toLowerCase();
switch (ext) {
case '.png':
return 'image/png';
case '.jpg':
case '.jpeg':
return 'image/jpeg';
case '.gif':
return 'image/gif';
case '.svg':
return 'image/svg+xml';
default:
return 'application/octet-stream';
}
};
const mimeType = getMimeType(imagePath);
// Create the data URL
const dataUrl = `data:${mimeType};base64,${base64Image}`;
// Output the complete HTML img tag
const imgTag = `<img src="${dataUrl}" alt="Brainy Logo" width="200"/>`;
// Write to a file instead of console.log to avoid truncation
fs.writeFileSync(path.join(__dirname, '..', 'encoded-image.html'), imgTag);
console.log('Base64 encoded image has been saved to encoded-image.html');