build-minify.js

const fs = require('fs');
const terser = require('terser');

const filesToConcatAndMinify = [
    './assets/js/navigation.js',
    './assets/js/video-player.js',
    './assets/js/animations.js',
    './assets/js/card-flip.js',
    './assets/js/card.js',
    './assets/js/image-lazyloader.js',
    './assets/js/zoomable.js',
];

const individualFilesToMinify = [
    './assets/js/fxhash.js',
    './assets/js/interplay-page.js',
    './assets/js/notifications.js',
    './assets/js/homepage.js',
    './assets/js/toc-toggle.js'
];

// Function to minify a single file
async function minifyFile(inputFile, outputFile) {
    try {
        const fileContent = fs.readFileSync(inputFile, 'utf-8');
        const result = await terser.minify(fileContent);
        fs.writeFileSync(outputFile, result.code, 'utf-8');
        console.log(`Minified ${inputFile} to ${outputFile}`);
    } catch (err) {
        console.error(`Failed to minify ${inputFile}:`, err);
    }
}

// Function to concatenate and minify multiple files
async function concatAndMinifyFiles(inputFiles, outputFile) {
    try {
        let concatenatedContent = '';
        for (const file of inputFiles) {
            concatenatedContent += fs.readFileSync(file, 'utf-8');
        }
        const result = await terser.minify(concatenatedContent);
        fs.writeFileSync(outputFile, result.code, 'utf-8');
        console.log(`Concatenated and minified ${inputFiles.length} files to ${outputFile}`);
    } catch (err) {
        console.error(`Failed to concatenate and minify files:`, err);
    }
}

// Minify individual files
individualFilesToMinify.forEach((file) => {
    const outputFile = file.replace('.js', '.min.js');
    minifyFile(file, outputFile);
});

// Concatenate and minify specified files
concatAndMinifyFiles(filesToConcatAndMinify, './assets/js/concatenated.min.js');