42 lines
2.1 KiB
JavaScript
Executable File
42 lines
2.1 KiB
JavaScript
Executable File
"use strict";
|
|
|
|
exports.__esModule = true;
|
|
exports.forEach = forEach;
|
|
exports.hasChildOfType = hasChildOfType;
|
|
exports.map = map;
|
|
var React = _interopRequireWildcard(require("react"));
|
|
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
|
|
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
|
|
/**
|
|
* Iterates through children that are typically specified as `props.children`,
|
|
* but only maps over children that are "valid elements".
|
|
*
|
|
* The mapFunction provided index will be normalised to the components mapped,
|
|
* so an invalid component would not increase the index.
|
|
*
|
|
*/
|
|
function map(children, func) {
|
|
let index = 0;
|
|
return React.Children.map(children, child => /*#__PURE__*/React.isValidElement(child) ? func(child, index++) : child);
|
|
}
|
|
|
|
/**
|
|
* Iterates through children that are "valid elements".
|
|
*
|
|
* The provided forEachFunc(child, index) will be called for each
|
|
* leaf child with the index reflecting the position relative to "valid components".
|
|
*/
|
|
function forEach(children, func) {
|
|
let index = 0;
|
|
React.Children.forEach(children, child => {
|
|
if ( /*#__PURE__*/React.isValidElement(child)) func(child, index++);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Finds whether a component's `children` prop includes a React element of the
|
|
* specified type.
|
|
*/
|
|
function hasChildOfType(children, type) {
|
|
return React.Children.toArray(children).some(child => /*#__PURE__*/React.isValidElement(child) && child.type === type);
|
|
} |