Script to move NPM files from "dist" to package root

postinstall.config.js

const { existsSync } = require('fs');
const { execSync } = require('child_process');

// ================
// Check existence.
// ================

const distFolderExists = existsSync('dist');
const srcFolderExists = existsSync('src');

// =============
// CLI commands.
// =============

const commandCopy = 'mv ./dist/* ./';
const commandDelete = 'rm -rf ./dist';

/*
  =====
  NOTE:
  =====

  We only want to do cleanup if we are in the
  "distribution" mode. Ignore if "source" mode.
*/
const doCleanup = distFolderExists && !srcFolderExists;

// Cleanup necessary?
if (doCleanup) {
  execSync(commandCopy);
  execSync(commandDelete);
}