tree-flatten/build/tree-flatten.js

Flatten nested tree objects to array

'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

module.exports = function flattenTree(root, key) {
  var flatten = [_extends({}, root)];
  delete flatten[0][key];

  if (root[key] && root[key].length > 0) {
    return flatten.concat(root[key].map(function (child) {
      return flattenTree(child, key);
    }).reduce(function (a, b) {
      return a.concat(b);
    }, []));
  }

  return flatten;
};