const path = require('path'); const fs = require('fs'); module.exports = function importer(url) { if(url[0] === '~') { const file = url.substr(1); for(const base of require.resolve.paths('')) { const filePath = path.resolve(base, file); if(fs.existsSync(path.dirname(filePath))) { url = filePath; break; } } } return {file: url}; };