bfj/src/set-property.js

Big-friendly JSON. Asynchronous streaming functions for large JSON data sets.

'use strict'

module.exports = setProperty

/**
 * Set an own data property on an object.
 *
 * A `__proto__` key must be defined rather than assigned, otherwise it mutates
 * the object's prototype instead of creating the property that the JSON input
 * represents.
 *
 * @param object: The object to set the property on.
 * @param key:    The property key.
 * @param value:  The property value.
 **/
function setProperty (object, key, value) {
  if (key === '__proto__') {
    Object.defineProperty(object, key, {
      value,
      writable: true,
      enumerable: true,
      configurable: true
    })
  } else {
    object[key] = value
  }
}