Installing dependencies.

node_modules/pretty-format/build/plugins/react_test_component.js

@@ -0,0 +1,73 @@
+'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 MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ *
+ */
+
+const testSymbol = Symbol.for('react.test.json');
+
+const getPropKeys = object => {
+  const props = object.props;
+
+  return props
+    ? Object.keys(props)
+        .filter(key => props[key] !== undefined)
+        .sort()
+    : [];
+};
+
+const serialize = (exports.serialize = (
+  object,
+  config,
+  indentation,
+  depth,
+  refs,
+  printer
+) =>
+  ++depth > config.maxDepth
+    ? (0, _markup.printElementAsLeaf)(object.type, config)
+    : (0, _markup.printElement)(
+        object.type,
+        object.props
+          ? (0, _markup.printProps)(
+              getPropKeys(object),
+              // Despite ternary expression, Flow 0.51.0 found incorrect error:
+              // undefined is incompatible with the expected param type of Object
+              // $FlowFixMe
+              object.props,
+              config,
+              indentation + config.indent,
+              depth,
+              refs,
+              printer
+            )
+          : '',
+        object.children
+          ? (0, _markup.printChildren)(
+              object.children,
+              config,
+              indentation + config.indent,
+              depth,
+              refs,
+              printer
+            )
+          : '',
+        config,
+        indentation
+      ));
+
+const test = (exports.test = val => val && val.$$typeof === testSymbol);
+
+exports.default = {serialize: serialize, test: test};