@servicenow/ui-renderer-snabbdom/module/createElement.js

Snabbdom renderer for UI Framework on Next Experience

/**
 * Copyright (c) 2020 ServiceNow, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *  
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *  
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
// TODO (webpack v5): drop the `build/package/` part of these import paths.
// Snabbdom>=1 uses the package.json#exports field that webpack v4 doesn't know
// about
//
// https://github.com/webpack/webpack/issues/9509
// https://webpack.js.org/guides/package-exports/
import { signingH } from 'snabbdom-signature';
import { h as unsignedH } from 'snabbdom/build/package/h';
import { formatProps, validateProps, flat, formatChildren } from './utils';
const signedH = signingH(unsignedH);
/**
 * Creates an element for the virtual DOM
 * @method createElement
 * @param {(string|function)} tag Name of the tag or a functional component
 * @param {object} [props] Properties
 * @param {object} [children] Child nodes
 * @returns {*}
 */

export default function createElement(tag, props, ...children) {
  if (typeof tag === 'function') return tag(props || {}, flat(children));
  return signedH(tag, props ? formatProps(tag, validateProps(props)) : {}, formatChildren(children));
}
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