rollup.config.js

// rollup.config.js
import json from '@rollup/plugin-json';
import copy from 'rollup-plugin-copy';

// directory where a completed build of the extension should go
const outputDir = '_build';
// format which javascript files should be in in the extension
const outputJSFormat = 'cjs';
// output zip file name for chrome
const outputZip = 'li-profile-filter.zip'
// directory where root files are stored
const cmdDir = 'cmd';
// root files to build for the extension
const jsFiles = [
    'background.js',
    'li-profile-page.js',
    'li-recruiter-profile-page.js',
    'li-recruiter-search-page.js',
    'options.js'
];
// directory where additional files that should be copied are stored
const extrasDir = 'assets';
const extraFiles = [
    'options.html',
    'pure-min.css',
];
// declare actions to perform
const buildActions = [];
// handle javascript files
buildActions.push(...jsFiles.map(cmdFile => ({
    input: `${cmdDir}/${cmdFile}`,
    output: {
        file: `${outputDir}/dist/${cmdFile}`,
        format: outputJSFormat,
    },
    plugins: [json()] 
})));
// handle asset files
buildActions[0].plugins.push(copy({
    targets: extraFiles.map(extraFile => ({
        src: `${extrasDir}/${extraFile}`,
        dest: `${outputDir}/dist`
    })),
}));
// handle manifest file
buildActions[0].plugins.push(copy({
    targets: [{ src: 'manifest.json', dest: outputDir }]
}));

// export build actions
export default buildActions;