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39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
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"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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exports.__esModule = true;
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exports.map = map;
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exports.forEach = forEach;
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var _react = _interopRequireDefault(require("react"));
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/**
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* Iterates through children that are typically specified as `props.children`,
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* but only maps over children that are "valid elements".
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*
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* The mapFunction provided index will be normalised to the components mapped,
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* so an invalid component would not increase the index.
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*
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*/
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function map(children, func) {
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var index = 0;
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return _react.default.Children.map(children, function (child) {
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return /*#__PURE__*/_react.default.isValidElement(child) ? func(child, index++) : child;
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});
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}
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/**
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* Iterates through children that are "valid elements".
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*
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* The provided forEachFunc(child, index) will be called for each
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* leaf child with the index reflecting the position relative to "valid components".
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*/
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function forEach(children, func) {
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var index = 0;
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_react.default.Children.forEach(children, function (child) {
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if ( /*#__PURE__*/_react.default.isValidElement(child)) func(child, index++);
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});
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}
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