ref: Convert registries to TS (#11865)

package-lock.json

@@ -143,6 +143,7 @@
         "@babel/preset-react": "7.16.0",
         "@babel/runtime": "7.16.0",
         "@jitsi/eslint-config": "4.0.0",
+        "@types/js-md5": "0.4.3",
         "@types/lodash": "4.14.182",
         "@types/react": "17.0.14",
         "@types/react-native": "0.67.6",
@@ -5464,6 +5465,12 @@
       "resolved": "https://registry.npmjs.org/@types/js-cookie/-/js-cookie-2.2.7.tgz",
       "integrity": "sha512-aLkWa0C0vO5b4Sr798E26QgOkss68Un0bLjs7u9qxzPT5CG+8DuNTffWES58YzJs3hrVAOs1wonycqEBqNJubA=="
     },
+    "node_modules/@types/js-md5": {
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/@types/js-md5/-/js-md5-0.4.3.tgz",
+      "integrity": "sha512-BIga/WEqTi35ccnGysOuO4RmwVnpajv9oDB/sDQSY2b7/Ac7RyYR30bv7otZwByMvOJV9Vqq6/O1DFAnOzE4Pg==",
+      "dev": true
+    },
     "node_modules/@types/json-schema": {
       "version": "7.0.9",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.9.tgz",
@@ -24566,6 +24573,12 @@
       "resolved": "https://registry.npmjs.org/@types/js-cookie/-/js-cookie-2.2.7.tgz",
       "integrity": "sha512-aLkWa0C0vO5b4Sr798E26QgOkss68Un0bLjs7u9qxzPT5CG+8DuNTffWES58YzJs3hrVAOs1wonycqEBqNJubA=="
     },
+    "@types/js-md5": {
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/@types/js-md5/-/js-md5-0.4.3.tgz",
+      "integrity": "sha512-BIga/WEqTi35ccnGysOuO4RmwVnpajv9oDB/sDQSY2b7/Ac7RyYR30bv7otZwByMvOJV9Vqq6/O1DFAnOzE4Pg==",
+      "dev": true
+    },
     "@types/json-schema": {
       "version": "7.0.9",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.9.tgz",

package.json

@@ -148,6 +148,7 @@
     "@babel/preset-react": "7.16.0",
     "@babel/runtime": "7.16.0",
     "@jitsi/eslint-config": "4.0.0",
+    "@types/js-md5": "0.4.3",
     "@types/lodash": "4.14.182",
     "@types/react": "17.0.14",
     "@types/react-native": "0.67.6",

react/features/base/redux/MiddlewareRegistry.ts

@@ -1,14 +1,11 @@
-/* @flow */
-
-import { applyMiddleware } from 'redux';
-import type { Middleware } from 'redux';
+import { applyMiddleware, Middleware } from 'redux';
 
 /**
  * A registry for Redux middleware, allowing features to register their
  * middleware without needing to create additional inter-feature dependencies.
  */
 class MiddlewareRegistry {
-    _elements: Array<Middleware<*, *>>;
+    _elements: Array<Middleware<any, any>>;
 
     /**
      * Creates a MiddlewareRegistry instance.
@@ -31,8 +28,7 @@ class MiddlewareRegistry {
      * be included (such as middleware from third-party modules).
      * @returns {Middleware}
      */
-    applyMiddleware(...additional: Array<Middleware<*, *>>) {
-        // $FlowExpectedError
+    applyMiddleware(...additional: Array<Middleware<any, any>>) {
         return applyMiddleware(...this._elements, ...additional);
     }
 
@@ -44,7 +40,7 @@ class MiddlewareRegistry {
      * @param {Middleware} middleware - A Redux middleware.
      * @returns {void}
      */
-    register(middleware: Middleware<*, *>) {
+    register(middleware: Middleware<any, any>) {
         this._elements.push(middleware);
     }
 }

react/features/base/redux/PersistenceRegistry.ts

@@ -1,12 +1,15 @@
-// @flow
-
+/* eslint-disable import/order */
+// @ts-ignore
 import Bourne from '@hapi/bourne';
+
+// @ts-ignore
 import { jitsiLocalStorage } from '@jitsi/js-utils';
 import md5 from 'js-md5';
 
+// @ts-ignore
 import logger from './logger';
 
-declare var __DEV__;
+declare let __DEV__: any;
 
 /**
  * The name of the {@code localStorage} store where the app persists its values.
@@ -30,8 +33,8 @@ declare type PersistencyConfigMap = { [name: string]: ElementConfig };
  * persisted and also handles the persistency calls too.
  */
 class PersistenceRegistry {
-    _checksum: string;
-    _defaultStates: { [name: string ]: ?Object} = {};
+    _checksum = '';
+    _defaultStates: { [name: string ]: Object|undefined} = {};
     _elements: PersistencyConfigMap = {};
 
     /**
@@ -43,7 +46,7 @@ class PersistenceRegistry {
      * @returns {Object}
      */
     getPersistedState() {
-        let filteredPersistedState = {};
+        let filteredPersistedState: any = {};
 
         // localStorage key per feature
         for (const subtreeName of Object.keys(this._elements)) {
@@ -134,7 +137,7 @@ class PersistenceRegistry {
      */
     register(
             name: string,
-            config?: ElementConfig = true,
+            config: ElementConfig = true,
             defaultState?: Object) {
         this._elements[name] = config;
         this._defaultStates[name] = defaultState;
@@ -165,8 +168,8 @@ class PersistenceRegistry {
      * @private
      * @returns {Object}
      */
-    _getFilteredState(state: Object) {
-        const filteredState = {};
+    _getFilteredState(state: any): any {
+        const filteredState: any = {};
 
         for (const name of Object.keys(this._elements)) {
             if (state[name]) {
@@ -189,8 +192,8 @@ class PersistenceRegistry {
      * @private
      * @returns {Object}
      */
-    _getFilteredSubtree(subtree, subtreeConfig) {
-        let filteredSubtree;
+    _getFilteredSubtree(subtree: any, subtreeConfig: any) {
+        let filteredSubtree: any;
 
         if (typeof subtreeConfig === 'object') {
             // Only a filtered subtree gets persisted as specified by
@@ -219,7 +222,7 @@ class PersistenceRegistry {
      * @private
      * @returns {Object}
      */
-    _getPersistedSubtree(subtreeName, subtreeConfig, subtreeDefaults) {
+    _getPersistedSubtree(subtreeName: string, subtreeConfig: Object, subtreeDefaults?: Object) {
         let persistedSubtree = jitsiLocalStorage.getItem(subtreeName);
 
         if (persistedSubtree) {
@@ -254,7 +257,7 @@ class PersistenceRegistry {
      * @param {?Object} defaults - The defaults, if any.
      * @returns {Object}
      */
-    _mergeDefaults(subtree: Object, defaults: ?Object) {
+    _mergeDefaults(subtree: Object, defaults?: Object) {
         if (!defaults) {
             return subtree;
         }

react/features/base/redux/ReducerRegistry.ts

@@ -36,7 +36,6 @@ class ReducerRegistry {
      * @returns {Function}
      */
     combineReducers(additional: NameReducerMap<any> = {}) {
-        // $FlowExpectedError
         return combineReducers({
             ...this._elements,
             ...additional

react/features/base/redux/StateListenerRegistry.ts

@@ -1,8 +1,9 @@
-// @flow
-
-import type { Store } from 'redux';
+/* eslint-disable import/order */
+import { Store } from 'redux';
 
 import { equals } from './functions';
+
+// @ts-ignore
 import logger from './logger';
 
 /**
@@ -20,7 +21,7 @@ import logger from './logger';
  * Immutable!
  */
 type Listener
-    = (selection: any, store: Store<*, *>, prevSelection: any) => void;
+    = (selection: any, store: Store<any, any>, prevSelection: any) => void;
 
 /**
  * The type selector supported for registration with
@@ -47,7 +48,7 @@ type RegistrationOptions = {
      * @property {boolean} [deepEquals=false] - Whether or not a deep equals check should be performed on the selection
      * returned by {@link Selector}.
      */
-    deepEquals: ?boolean
+    deepEquals?: boolean
 }
 
 /**
@@ -66,7 +67,7 @@ type SelectorListener = {
     /**
      * The {@link RegistrationOptions} passed during the registration to be applied on the listener.
      */
-    options: ?RegistrationOptions,
+    options?: RegistrationOptions,
 
     /**
      * The {@code Selector} which selects values whose changes are listened to
@@ -86,11 +87,6 @@ class StateListenerRegistry {
      */
     _selectorListeners: Set<SelectorListener> = new Set();
 
-    _listener: ({
-        prevSelections: Map<SelectorListener, any>,
-        store: Store<*, *>
-    }) => void;
-
     /**
      * Invoked by a specific redux store any time an action is dispatched, and
      * some part of the state (tree) may potentially have changed.
@@ -102,7 +98,7 @@ class StateListenerRegistry {
      */
     _listener({ prevSelections, store }: {
             prevSelections: Map<SelectorListener, any>,
-            store: Store<*, *>
+            store: Store<any, any>
     }) {
         for (const selectorListener of this._selectorListeners) {
             const prevSelection = prevSelections.get(selectorListener);
@@ -140,7 +136,7 @@ class StateListenerRegistry {
      * @param {RegistrationOptions} [options] - Any options to be applied to the registration.
      * @returns {void}
      */
-    register(selector: Selector, listener: Listener, options: ?RegistrationOptions) {
+    register(selector: Selector, listener: Listener, options?: RegistrationOptions) {
         this._selectorListeners.add({
             listener,
             selector,
@@ -157,7 +153,7 @@ class StateListenerRegistry {
      * {@code StateListenerRegistry} is to {@code subscribe}.
      * @returns {void}
      */
-    subscribe(store: Store<*, *>) {
+    subscribe(store: Store<any, any>) {
         // XXX If StateListenerRegistry is not utilized by the app to listen to
         // state changes, do not bother subscribing to the store at all.
         if (this._selectorListeners.size) {