| 3 | const UglifyJS = require('uglify-js'); |
| 4 | |
| 5 | function minifyFile(inputFile) { |
| 6 | return new Promise((resolve, reject) => { |
| 7 | fs.readFile(inputFile, 'utf8', (err, data) => { |
| 8 | if (err) { |
| 9 | reject(`Error reading file ${inputFile}: ${err}`); |
| 10 | return; |
| 11 | } |
| 12 | |
| 13 | const minifiedCode = UglifyJS.minify(data); |
| 14 | if (minifiedCode.error) { |
| 15 | reject(`Error minifying code in ${inputFile}: ${minifiedCode.error}`); |
| 16 | return; |
| 17 | } |
| 18 | |
| 19 | fs.writeFile(inputFile, minifiedCode.code, err => { |
| 20 | if (err) { |
| 21 | reject(`Error writing minified file ${inputFile}: ${err}`); |
| 22 | return; |
| 23 | } |
| 24 | resolve(`Minified file: ${inputFile}`); |
| 25 | }); |
| 26 | }); |
| 27 | }); |
| 28 | } |
| 29 | |
| 30 | async function getJsFilesRecursively(directory) { |
| 31 | let jsFiles = []; |