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esbuild.config.js

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const esbuild = require('esbuild');

const fs = require('fs');

const path = require('path');

const isWatch = process.argv.includes('--watch');

const cssPlugin = {

name: 'css-bundle',

setup(build) {

build.onEnd(() => {

const cssPath = path.join(__dirname, 'src/styles/main.css');

if (fs.existsSync(cssPath)) {

fs.copyFileSync(cssPath, path.join(__dirname, 'dist/javarunner.css'));

}

});

};

const config = {

entryPoints: ['src/index.ts'],

bundle: true,

outfile: 'dist/javarunner.js',

format: 'iife',

globalName: 'JavaRunner',

sourcemap: true,

minify: !isWatch,

target: ['es2020'],

plugins: [cssPlugin],

define: {

'process.env.NODE_ENV': isWatch ? '"development"' : '"production"',

};

if (isWatch) {

esbuild.context(config).then(ctx => {

ctx.watch();

console.log('Watching for changes...');

});

} else {

esbuild.build(config).then(result => {

const stats = fs.statSync('dist/javarunner.js');

console.log(`Built dist/javarunner.js (${(stats.size / 1024).toFixed(1)} KB)`);

});

}