Clean up internal dependencies

packages/overreact/package.json

@@ -5,8 +5,6 @@
   "main": "dist/index",
   "license": "MIT",
   "dependencies": {
-    "@bingads-webui-universal/observer-pattern": "*",
-    "@bingads-webui-universal/primitive-utilities": "^1.4.5",
     "bluebird": "3.5.0",
     "json-stable-stringify": "*",
     "prop-types": ">=15.6.0",
@@ -17,12 +15,6 @@
     "uuid": "^3.3.3"
   },
   "devDependencies": {
-    "@bingads-webui/mca-odata-schemas": ">=1.0.0-alpha.2019091919",
-    "@bingads-webui/edm-core": ">=1.0.0",
-    "@bingads-webui/edm-odata": "^1.1.6",
-    "@bingads-webui/edm-resource-identifiers": ">=1.0.0",
-    "@bingads-webui/http-util": "^1.0.0",
-    "@bingads-webui/reflection": ">=1.0.0",
     "fetch-mock": "^9.10.1",
     "jquery": "2.2.4",
     "json-stable-stringify": "*",

packages/overreact/src/middleware/instrumentation/instrumentation-utils.js

@@ -1,7 +1,7 @@
 /* eslint-disable no-param-reassign */
 import _ from 'underscore';
 
-import { getTimestamp } from '@bingads-webui-universal/primitive-utilities';
+import { getTimestamp } from '../../utils/primitive-utilities';
 
 export const defaultStubOptions = {
   serverErrorCodes: [-1],

packages/overreact/src/store/record-group.js

@@ -1,7 +1,7 @@
-import { Subject } from '@bingads-webui-universal/observer-pattern';
 import _ from 'underscore';
 import { Record } from './record';
 import { OVERREACT_ID_FIELD_NAME } from './consts';
+import { Subject } from '../utils/observer-pattern'
 
 export class RecordGroup extends Subject {
   constructor(schemaType) {

packages/overreact/src/store/schema-extension/data-ref.js

@@ -1,5 +1,5 @@
-import { Subject } from '@bingads-webui-universal/observer-pattern';
 import _ from 'underscore';
+import { Subject } from '../../utils/observer-pattern';
 
 export class DataRef extends Subject {
   constructor(key) {

packages/overreact/src/utils/observer-pattern/index.js

@@ -0,0 +1 @@
+export { Subject } from './subject';

packages/overreact/src/utils/observer-pattern/subject.js

@@ -0,0 +1,48 @@
+/* global Set */
+// Use the basic APIs of ES6 Set. If your site supports browsers not
+// having Set natively, you should use a polyfill
+
+/* Subject to observe */
+export class Subject {
+    constructor() {
+        this.observers = new Set();
+    }
+
+    /**
+     * Subscribe an observer to the subject
+     * @param {Object} observer - The observer subscribing to the subject
+     * @returns {void}
+     */
+    subscribe(observer) {
+        if (!(observer instanceof Object)) {
+            throw new Error('Invalid observer');
+        }
+        this.observers.add(observer);
+    }
+
+    /**
+     * Unsubscribe an observer from the subject
+     * @param {Object} observer - The observer to unsubscribe
+     * @returns {void}
+     */
+    unsubscribe(observer) {
+        this.observers.delete(observer);
+    }
+
+    /**
+     * Notify the observers for a certain action
+     * @param {string} action -
+     *  Name of the action, it will map to the handler method name on the observer
+     * @param {...*} args - Additional arguments
+     * @returns {void}
+     */
+    notify(action, ...args) {
+        this.observers.forEach((observer) => {
+            if (typeof observer[action] === 'function') {
+                observer[action](this, ...args);
+            }
+        });
+    }
+}
+
+  

packages/overreact/src/utils/primitive-utilities/date.js

@@ -0,0 +1,13 @@
+
+/**
+ * Get the current timestamp
+ * @returns {number} - the timestamp since epoch in milliseconds
+*/
+export function getTimestamp() {
+    // TODO: this method should not be here, as it depends on Web API performance
+    if (window.performance && window.performance.now && window.performance.timing) {
+        return window.performance.timing.navigationStart + window.performance.now();
+    }
+
+    return Date.now();
+}

packages/overreact/src/utils/primitive-utilities/index.js

@@ -0,0 +1 @@
+export * from './date';