polybius.fyi/reveal.js/node_modules/generate-object-property/index.js

var isProperty = require('is-property')

var gen = function(obj, prop) {
  return isProperty(prop) ? obj+'.'+prop : obj+'['+JSON.stringify(prop)+']'
}

gen.valid = isProperty
gen.property = function (prop) {
 return isProperty(prop) ? prop : JSON.stringify(prop)
}

module.exports = gen