pretty-format/build/plugins/react_element.js

Stringify any JavaScript value.

'use strict';Object.defineProperty(exports, "__esModule", { value: true });exports.test = exports.serialize = undefined;











var _markup = require('./lib/markup'); /**
                                        * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
                                        *
                                        * This source code is licensed under the BSD-style license found in the
                                        * LICENSE file in the root directory of this source tree. An additional grant
                                        * of patent rights can be found in the PATENTS file in the same directory.
                                        *
                                        * 
                                        */const elementSymbol = Symbol.for('react.element');
// Given element.props.children, or subtree during recursive traversal,
// return flattened array of children.
const getChildren = function (arg) {let children = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
  if (Array.isArray(arg)) {
    arg.forEach(item => {
      getChildren(item, children);
    });
  } else if (arg != null && arg !== false) {
    children.push(arg);
  }
  return children;
};

const getType = element => {
  if (typeof element.type === 'string') {
    return element.type;
  }
  if (typeof element.type === 'function') {
    return element.type.displayName || element.type.name || 'Unknown';
  }
  return 'Unknown';
};

const serialize = exports.serialize = (
element,
config,
indentation,
depth,
refs,
printer) =>

++depth > config.maxDepth ?
(0, _markup.printElementAsLeaf)(getType(element), config) :
(0, _markup.printElement)(
getType(element),
(0, _markup.printProps)(
Object.keys(element.props).filter(key => key !== 'children').sort(),
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);


const test = exports.test = val => val && val.$$typeof === elementSymbol;exports.default =

{ serialize, test };