instantsearch.js/cjs/lib/utils/getContainerNode.js

InstantSearch.js is a JavaScript library for building performant and instant search experiences with Algolia.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _isDomElement = _interopRequireDefault(require("./isDomElement.js"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Return the container. If it's a string, it is considered a
 * css selector and retrieves the first matching element. Otherwise
 * test if it validates that it's a correct DOMElement.
 *
 * @param {string|HTMLElement} selectorOrHTMLElement CSS Selector or container node.
 * @return {HTMLElement} Container node
 * @throws Error when the type is not correct
 */
function getContainerNode(selectorOrHTMLElement) {
  var isSelectorString = typeof selectorOrHTMLElement === 'string';
  var domElement = isSelectorString ? document.querySelector(selectorOrHTMLElement) : selectorOrHTMLElement;

  if (!(0, _isDomElement.default)(domElement)) {
    var errorMessage = 'Container must be `string` or `HTMLElement`.';

    if (isSelectorString) {
      errorMessage += " Unable to find ".concat(selectorOrHTMLElement);
    }

    throw new Error(errorMessage);
  }

  return domElement;
}

var _default = getContainerNode;
exports.default = _default;