Improve typechecking on remaining components

- hypothesis-app
- search-input
- top-bar
- index (root sidebar index)

src/sidebar/components/hypothesis-app.js

@@ -20,14 +20,21 @@ import StreamContent from './stream-content';
 import ToastMessages from './toast-messages';
 import TopBar from './top-bar';
 
+/**
+ * @typedef {import('../../types/api').Profile} Profile
+ * @typedef {import('../services/service-url').ServiceUrlGetter} ServiceUrlGetter
+ * @typedef {import('../../types/config').MergedConfig} MergedConfig
+ * @typedef {import('../../shared/bridge').default} Bridge
+ */
+
 /**
  * Return the user's authentication status from their profile.
  *
  * @param {Profile} profile - The profile object from the API.
  */
 function authStateFromProfile(profile) {
-  if (profile.userid) {
-    const parsed = parseAccountID(profile.userid);
+  const parsed = parseAccountID(profile.userid);
+  if (parsed) {
     let displayName = parsed.username;
     if (profile.user_info && profile.user_info.display_name) {
       displayName = profile.user_info.display_name;
@@ -44,11 +51,23 @@ function authStateFromProfile(profile) {
   }
 }
 
+/**
+ * @typedef HypothesisAppProps
+ * @prop {Object} [auth]
+ * @prop {Bridge} [bridge]
+ * @prop {ServiceUrlGetter} [serviceUrl]
+ * @prop {MergedConfig} [settings]
+ * @prop {Object} [session]
+ * @prop {Object} [toastMessenger]
+ */
+
 /**
  * The root component for the Hypothesis client.
  *
  * This handles login/logout actions and renders the top navigation bar
  * and content appropriate for the current route.
+ *
+ * @param {HypothesisAppProps} props
  */
 function HypothesisApp({
   auth,
@@ -198,7 +217,6 @@ function HypothesisApp({
 }
 
 HypothesisApp.propTypes = {
-  // Injected.
   auth: propTypes.object,
   bridge: propTypes.object,
   serviceUrl: propTypes.func,

src/sidebar/components/search-input.js

@@ -13,7 +13,7 @@ import Spinner from './spinner';
  * @prop {boolean} [alwaysExpanded] -
  *   If true, the input field is always shown. If false, the input field is only shown
  *   if the query is non-empty.
- * @prop {string} [query] - The currently active filter query
+ * @prop {string|null} query - The currently active filter query
  * @prop {(value: string) => any} [onSearch] -
  *   Callback to invoke when the current filter query changes
  */
@@ -73,7 +73,7 @@ export default function SearchInput({ alwaysExpanded, query, onSearch }) {
         placeholder={(isLoading && 'Loading…') || 'Search…'}
         disabled={isLoading}
         ref={input}
-        value={pendingQuery}
+        value={pendingQuery || ''}
         onInput={e =>
           setPendingQuery(/** @type {HTMLInputElement} */ (e.target).value)
         }

src/sidebar/components/top-bar.js

@@ -17,6 +17,24 @@ import SortMenu from './sort-menu';
 import StreamSearchInput from './stream-search-input';
 import UserMenu from './user-menu';
 
+/**
+ * @typedef {import('../../types/config').MergedConfig} MergedConfig
+ * @typedef {import('../components/user-menu').AuthState} AuthState
+ * @typedef {import('../../shared/bridge').default} Bridge
+ */
+
+/**
+ * @typedef TopBarProps
+ * @prop {AuthState} [auth]
+ * @prop {Bridge} bridge
+ * @prop {boolean} [isSidebar] - Flag indicating whether the app is the sidebar or a top-level page.
+ * @prop {() => any} [onLogin] - Callback invoked when user clicks "Login" button.
+ * @prop {() => any} [onLogout] - Callback invoked when user clicks "Logout" action in account menu.
+ * @prop {() => any} [onSignUp] - Callback invoked when user clicks "Sign up" button.
+ * @prop {MergedConfig} [settings]
+ * @prop {Object} [streamer]
+ */
+
 /**
  * The toolbar which appears at the top of the sidebar providing actions
  * to switch groups, view account information, sort/filter annotations etc.
@@ -57,8 +75,8 @@ function TopBar({
    * help requests, fire a relevant event instead
    */
   const requestHelp = () => {
-    const service = serviceConfig(settings) || {};
-    if (service.onHelpRequestProvided) {
+    const service = serviceConfig(settings);
+    if (service && service.onHelpRequestProvided) {
       bridge.call(bridgeEvents.HELP_REQUESTED);
     } else {
       togglePanelFn(uiConstants.PANEL_HELP);
@@ -127,7 +145,7 @@ function TopBar({
               }`}
             />
           )}
-          <SearchInput query={filterQuery} onSearch={setFilterQuery} />
+          <SearchInput query={filterQuery || null} onSearch={setFilterQuery} />
           <SortMenu />
           {showSharePageButton && (
             <Button
@@ -155,37 +173,18 @@ function TopBar({
 }
 
 TopBar.propTypes = {
-  /**
-   * Object containing current authentication status.
-   */
   auth: propTypes.shape({
     status: propTypes.string.isRequired,
-
     // Additional properties when user is logged in.
     displayName: propTypes.string,
     userid: propTypes.string,
     username: propTypes.string,
   }),
-
   bridge: propTypes.object.isRequired,
-
-  /**
-   * Flag indicating whether the app is the sidebar or a top-level page.
-   */
   isSidebar: propTypes.bool,
-
-  /**
-   * Callback invoked when user clicks "Login" button.
-   */
   onLogin: propTypes.func,
-
-  /** Callback invoked when user clicks "Logout" action in account menu. */
   onLogout: propTypes.func,
-
-  /** Callback invoked when user clicks "Sign up" button. */
   onSignUp: propTypes.func,
-
-  // Services
   settings: propTypes.object,
   streamer: propTypes.object,
 };

src/sidebar/index.js

@@ -13,7 +13,9 @@ import { fetchConfig } from './util/fetch-config';
 import * as sentry from './util/sentry';
 
 // Read settings rendered into sidebar app HTML by service/extension.
-const appConfig = jsonConfigsFrom(document);
+const appConfig = /** @type {import('../types/config').SidebarConfig} */ (jsonConfigsFrom(
+  document
+));
 
 if (appConfig.sentry) {
   // Initialize Sentry. This is required at the top of this file
@@ -182,7 +184,9 @@ function startApp(config) {
   container.run(setupFrameSync);
 
   // Render the UI.
-  const appEl = document.querySelector('hypothesis-app');
+  const appEl = /** @type {HTMLElement} */ (document.querySelector(
+    'hypothesis-app'
+  ));
   render(
     <ServiceContext.Provider value={container}>
       <HypothesisApp />

src/sidebar/store/modules/sidebar-panels.js

@@ -88,10 +88,11 @@ function closeSidebarPanel(panelName) {
 
 /**
  * Toggle a sidebar panel from its current state, or set it to the
- * designated `panelState`
+ * designated `panelState`.
  *
  * @param {string} panelName
- * @param {boolean} panelState - Should the panel be active?
+ * @param {boolean} [panelState] -
+ *   Should the panel be active? Omit this prop to simply toggle the value.
  */
 function toggleSidebarPanel(panelName, panelState) {
   return {

src/sidebar/util/service-context.js

@@ -15,6 +15,12 @@
 import { createContext, createElement } from 'preact';
 import { useContext } from 'preact/hooks';
 
+/**
+ * @typedef ServiceProvider
+ * @prop {(serviceName: string) => any} get
+ */
+
+/** @type {ServiceProvider} */
 const fallbackInjector = {
   get(service) {
     throw new Error(

src/tsconfig.json

@@ -18,14 +18,5 @@
     "**/test/**/*.js",
     "test-util/**/*.js",
     "karma.config.js",
-
-    // Enable this once the rest of `src/sidebar` is checked.
-    "sidebar/index.js",
-
-    // Files in `src/sidebar/components` that may still have errors.
-    // Remove them from this list as they are resolved.
-    "sidebar/components/hooks/use-root-thread.js",
-    "sidebar/components/hypothesis-app.js",
-    "sidebar/components/top-bar.js"
   ]
 }

src/types/api.js

@@ -84,13 +84,15 @@
  */
 
 /**
- * TODO - Fill out remaining properties
- *
  * @typedef Profile
  * @prop {string|null} userid
  * @prop {Object} preferences
- * @prop {boolean} [preferences.show_sidebar_tutorial]
+ *   @prop {boolean} [preferences.show_sidebar_tutorial]
  * @prop {Object.<string, boolean>} features
+ * @prop {Object} [user_info]
+ *   @prop {string|null} user_info.display_name
+ *
+ * @prop {unknown} [groups] - Deprecated.
  */
 
 /**