challenge-algorithms-v2.0-D.../node_modules/pretty-format/build/plugins/ReactElement.js

144 lines
4.1 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.test = exports.serialize = exports.default = void 0;
var ReactIs = _interopRequireWildcard(require('react-is'));
var _markup = require('./lib/markup');
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== 'function') return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function (nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
return {default: obj};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor =
Object.defineProperty && Object.getOwnPropertyDescriptor;
for (var key in obj) {
if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// Given element.props.children, or subtree during recursive traversal,
// return flattened array of children.
const getChildren = (arg, children = []) => {
if (Array.isArray(arg)) {
arg.forEach(item => {
getChildren(item, children);
});
} else if (arg != null && arg !== false) {
children.push(arg);
}
return children;
};
const getType = element => {
const type = element.type;
if (typeof type === 'string') {
return type;
}
if (typeof type === 'function') {
return type.displayName || type.name || 'Unknown';
}
if (ReactIs.isFragment(element)) {
return 'React.Fragment';
}
if (ReactIs.isSuspense(element)) {
return 'React.Suspense';
}
if (typeof type === 'object' && type !== null) {
if (ReactIs.isContextProvider(element)) {
return 'Context.Provider';
}
if (ReactIs.isContextConsumer(element)) {
return 'Context.Consumer';
}
if (ReactIs.isForwardRef(element)) {
if (type.displayName) {
return type.displayName;
}
const functionName = type.render.displayName || type.render.name || '';
return functionName !== '' ? `ForwardRef(${functionName})` : 'ForwardRef';
}
if (ReactIs.isMemo(element)) {
const functionName =
type.displayName || type.type.displayName || type.type.name || '';
return functionName !== '' ? `Memo(${functionName})` : 'Memo';
}
}
return 'UNDEFINED';
};
const getPropKeys = element => {
const {props} = element;
return Object.keys(props)
.filter(key => key !== 'children' && props[key] !== undefined)
.sort();
};
const serialize = (element, config, indentation, depth, refs, printer) =>
++depth > config.maxDepth
? (0, _markup.printElementAsLeaf)(getType(element), config)
: (0, _markup.printElement)(
getType(element),
(0, _markup.printProps)(
getPropKeys(element),
element.props,
config,
indentation + config.indent,
depth,
refs,
printer
),
(0, _markup.printChildren)(
getChildren(element.props.children),
config,
indentation + config.indent,
depth,
refs,
printer
),
config,
indentation
);
exports.serialize = serialize;
const test = val => val != null && ReactIs.isElement(val);
exports.test = test;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;