graphql-compose/es/utils/toDottedObject.js

GraphQL schema builder from different data sources with middleware extensions.

/**
 * Convert object to dotted-key/value pair
 * { a: { b: { c: 1 }}} ->  { 'a.b.c': 1 }
 * Usage:
 *   var dotObject(obj)
 *   or
 *   var target = {}; dotObject(obj, target)
 *
 * @param {Object} obj source object
 * @param {Object} target target object
 * @param {Array} path path array (internal)
 */
function toDottedObject(obj) {
  var target = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var path = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];

  /* eslint-disable */
  Object.keys(obj).forEach(function (key) {
    if (Object(obj[key]) === obj[key]) {
      return toDottedObject(obj[key], target, path.concat(key));
    } else {
      target[path.concat(key).join('.')] = obj[key];
    }
  });
  return target;
  /* eslint-enable */
}

export default toDottedObject;