Add node modules and new code for release (#57)

Co-authored-by: taakleton <taakleton@users.noreply.github.com>

node_modules/jest-jasmine2/build/PCancelable.js

@@ -0,0 +1,97 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = void 0;
+var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
+var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
+var Promise = global[Symbol.for('jest-native-promise')] || global.Promise;
+
+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.
+ */
+class CancelError extends Error {
+  constructor() {
+    super('Promise was canceled');
+    this.name = 'CancelError';
+  }
+}
+
+class PCancelable extends Promise {
+  constructor(executor) {
+    super(resolve => resolve());
+
+    _defineProperty(this, '_pending', true);
+
+    _defineProperty(this, '_canceled', false);
+
+    _defineProperty(this, '_promise', void 0);
+
+    _defineProperty(this, '_cancel', void 0);
+
+    _defineProperty(this, '_reject', () => {});
+
+    this._promise = new Promise((resolve, reject) => {
+      this._reject = reject;
+      return executor(
+        fn => {
+          this._cancel = fn;
+        },
+        val => {
+          this._pending = false;
+          resolve(val);
+        },
+        err => {
+          this._pending = false;
+          reject(err);
+        }
+      );
+    });
+  }
+
+  then(onFulfilled, onRejected) {
+    return this._promise.then(onFulfilled, onRejected);
+  }
+
+  catch(onRejected) {
+    return this._promise.catch(onRejected);
+  }
+
+  cancel() {
+    if (!this._pending || this._canceled) {
+      return;
+    }
+
+    if (typeof this._cancel === 'function') {
+      try {
+        this._cancel();
+      } catch (err) {
+        this._reject(err);
+      }
+    }
+
+    this._canceled = true;
+
+    this._reject(new CancelError());
+  }
+}
+
+exports.default = PCancelable;