swaf-boilerplate/scripts/prepare-sources.js

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

// These folders must exist for nodemon not to loop indefinitely.
[
    'public',
    'dist',
    'intermediates',
    'intermediates/assets',
].forEach(dir => {
    if (!fs.existsSync(dir)) fs.mkdirSync(dir);
});

// Symlink to build/common
const commonLocalSymlink = path.resolve('intermediates/common-local');
if (!fs.existsSync(commonLocalSymlink)) {
    const target = path.resolve('dist/common-local');
    fs.symlinkSync(target, commonLocalSymlink);
}

const commonSymlink = path.resolve('intermediates/common');
if (!fs.existsSync(commonSymlink)) {
    const target = path.resolve('node_modules/swaf/common');
    fs.symlinkSync(target, commonSymlink);
}

// Copy package.json
fs.copyFileSync('package.json', 'dist/package.json');