@instructure/ui-react-utils
Version:
A React utility library made by Instructure Inc.
62 lines (60 loc) • 2.42 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
exports.ensureSingleChild = ensureSingleChild;
var _react = require("react");
var _safeCloneElement = require("./safeCloneElement");
var _jsxRuntime = require("@emotion/react/jsx-runtime");
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 - present Instructure, 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.
*/
/**
* ---
* category: utilities/react
* ---
*
* Ensure a single child. If it is a child of length 1, return a
* cloned instance of the child. If it is a child of length > 1,
* wrap in a span and return the child. Return null if child has
* no length.
* @module ensureSingleChild
* @param child
* @param props props for child
* @returns cloned instance for a single child, or children wrapped in a span
*/function ensureSingleChild(child, props = {}) {
const childCount = _react.Children.count(child);
if (childCount === 0) {
return null;
} else if (typeof child === 'string' && child.length > 0 || childCount > 1) {
return (0, _jsxRuntime.jsx)("span", {
...props,
children: child
});
} else {
// TODO: check that we can only end up here if child is ReactElement
return (0, _safeCloneElement.safeCloneElement)(Array.isArray(child) ? child[0] : child, props);
}
}
var _default = exports.default = ensureSingleChild;