Walk an object and print the javascript accessor for each leaf element

walk.js

function walk(parent, obj) {

  if (Array.isArray(obj)) {
    obj.forEach(function (a, i) {
      walk(parent + '[' + i  + ']', a)
    })
  } else if (obj !== null && typeof obj === 'object') {
    Object.keys(obj).forEach(function (key) {
      walk(parent + '.' + key, obj[key])
    })
  } else {
    if (parent.indexOf('selectedContexts') !== -1) console.log(parent + ' = ' + obj)
  }
}