I Published My First npm Package — Here's Everything I Wish I Knew Publishing to npm is easier than you think. But there are landmines I wish someone had warned me about. The Idea I built a small utility function at work: // deep-merge.js — merge nested objects deeply function deepMerge ( target , ... sources ) { for ( const source of sources ) { for ( const key of Object . keys ( source )) { const targetVal = target [ key ]; const sourceVal = source [ key ]; if ( sourceVal && typeof sourceVal === ' object ' && ! Array . isArray ( sourceVal )) { if ( ! target [ key ]) target [ key ] = {}; deepMerge ( target [ key ], sourceVal ); } else { target [ key ] = sourceVal ; } } } return target ; } module . exports = { deepMerge }; Enter fullscreen mode Exit fullscreen mode "Someone else probably needs this," I thought.…