resolveNpmDeps.js

const deps = {}                                                   
const resolve = p => {                                            
  if (!deps[p]){                                                  
    deps[p] = true                                                
    const p_deps = require(`${p}/package.json`).dependencies || []
    Object.keys(p_deps).forEach(function(p){                      
      return resolve(p)                                           
    })                                                            
  }                                                               
}                                                                 
                                                                  
resolve('.')