Fix.

node_modules/jest-jasmine2/build/jasmine/SpyStrategy.js

@@ -0,0 +1,141 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = void 0;
+
+function _defineProperty(obj, key, value) {
+  if (key in obj) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+  } else {
+    obj[key] = value;
+  }
+  return obj;
+}
+
+/**
+ * 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.
+ *
+ */
+// This file is a heavily modified fork of Jasmine. Original license:
+
+/*
+Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+class SpyStrategy {
+  constructor({
+    name = 'unknown',
+    fn = function() {},
+    getSpy = function() {}
+  } = {}) {
+    _defineProperty(this, 'identity', void 0);
+
+    _defineProperty(this, 'exec', void 0);
+
+    _defineProperty(this, 'callThrough', void 0);
+
+    _defineProperty(this, 'returnValue', void 0);
+
+    _defineProperty(this, 'returnValues', void 0);
+
+    _defineProperty(this, 'throwError', void 0);
+
+    _defineProperty(this, 'callFake', void 0);
+
+    _defineProperty(this, 'stub', void 0);
+
+    const identity = name;
+    const originalFn = fn;
+
+    let plan = function plan() {};
+
+    this.identity = function() {
+      return identity;
+    };
+
+    this.exec = function() {
+      return plan.apply(this, arguments);
+    };
+
+    this.callThrough = function() {
+      plan = originalFn;
+      return getSpy();
+    };
+
+    this.returnValue = function(value) {
+      plan = function plan() {
+        return value;
+      };
+
+      return getSpy();
+    };
+
+    this.returnValues = function() {
+      const values = Array.prototype.slice.call(arguments);
+
+      plan = function plan() {
+        return values.shift();
+      };
+
+      return getSpy();
+    };
+
+    this.throwError = function(something) {
+      const error =
+        something instanceof Error ? something : new Error(something);
+
+      plan = function plan() {
+        throw error;
+      };
+
+      return getSpy();
+    };
+
+    this.callFake = function(fn) {
+      if (typeof fn !== 'function') {
+        throw new Error(
+          'Argument passed to callFake should be a function, got ' + fn
+        );
+      }
+
+      plan = fn;
+      return getSpy();
+    };
+
+    this.stub = function(_fn) {
+      plan = function plan() {};
+
+      return getSpy();
+    };
+  }
+}
+
+exports.default = SpyStrategy;