Dan Fabulich is a Principal Engineer at Redfin. (We’re hiring!) In Node 14, there are now two kinds of scripts: there are old-style CommonJS (CJS) scripts and new-style ESM scripts (aka MJS). CJS scripts use require() and module.exports; ESM scripts use import and export. ESM and CJS are completely different animals. Superficially, ESM looks very similar to CJS, but their implementations couldn’t

