.

node_modules/jest-validate/build/condition.js

@@ -0,0 +1,49 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.getValues = getValues;
+exports.validationCondition = validationCondition;
+exports.multipleValidOptions = multipleValidOptions;
+
+/**
+ * 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.
+ */
+const toString = Object.prototype.toString;
+const MULTIPLE_VALID_OPTIONS_SYMBOL = Symbol('JEST_MULTIPLE_VALID_OPTIONS');
+
+function validationConditionSingle(option, validOption) {
+  return (
+    option === null ||
+    option === undefined ||
+    (typeof option === 'function' && typeof validOption === 'function') ||
+    toString.call(option) === toString.call(validOption)
+  );
+}
+
+function getValues(validOption) {
+  if (
+    Array.isArray(validOption) && // @ts-ignore
+    validOption[MULTIPLE_VALID_OPTIONS_SYMBOL]
+  ) {
+    return validOption;
+  }
+
+  return [validOption];
+}
+
+function validationCondition(option, validOption) {
+  return getValues(validOption).some(e => validationConditionSingle(option, e));
+} // TODO: This should infer the types of its arguments, and return a union type of the types
+// See https://github.com/Microsoft/TypeScript/issues/5453
+
+function multipleValidOptions(...args) {
+  const options = [...args]; // @ts-ignore
+
+  options[MULTIPLE_VALID_OPTIONS_SYMBOL] = true;
+  return options;
+}