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Current File : /home/emeraadmin/public_html/node_modules/d3-selection/src/selection/enter.js

import sparse from "./sparse";
import {Selection} from "./index";

export default function() {
  return new Selection(this._enter || this._groups.map(sparse), this._parents);
}

export function EnterNode(parent, datum) {
  this.ownerDocument = parent.ownerDocument;
  this.namespaceURI = parent.namespaceURI;
  this._next = null;
  this._parent = parent;
  this.__data__ = datum;
}

EnterNode.prototype = {
  constructor: EnterNode,
  appendChild: function(child) { return this._parent.insertBefore(child, this._next); },
  insertBefore: function(child, next) { return this._parent.insertBefore(child, next); },
  querySelector: function(selector) { return this._parent.querySelector(selector); },
  querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); }
};