Postinstall script to fix issue with bundler not supporting the .cjs extension

npm-postinstall.js

const fs = require('fs');
const { copyFileSync, existsSync } = fs;
console.log('Running post npm install tasks...')

// Fix for virtuoso.dev/react-urx and virtuoso.dev/urx
const filesToFix = [
    __dirname + '/../node_modules/@virtuoso.dev/urx/dist/index.cjs',
    __dirname + '/../node_modules/@virtuoso.dev/react-urx/dist/index.cjs',
];

const addJsExtensionToFile = (theFile) => {
    if (existsSync(theFile)) {
        console.log(theFile, 'exists');
        const theFileWithJs = theFile + '.js';
        if (!existsSync(theFileWithJs)) {
            copyFileSync(theFile, theFileWithJs);
            console.log(theFileWithJs, 'exists');
        }
    } else {
        console.log(theFile, 'doesn\'t exist');
    }
};

for (const fileToFix of filesToFix) {
    addJsExtensionToFile(fileToFix);
}

console.log('Post npm install tasks done.')