diff --git a/extensions/package-manager/js/dist-typings/components/ExtensionItem.d.ts b/extensions/package-manager/js/dist-typings/components/ExtensionItem.d.ts
new file mode 100644
index 000000000..c9297c734
--- /dev/null
+++ b/extensions/package-manager/js/dist-typings/components/ExtensionItem.d.ts
@@ -0,0 +1,20 @@
+import Mithril from 'mithril';
+import Component, { ComponentAttrs } from 'flarum/common/Component';
+import { Extension as BaseExtension } from 'flarum/admin/AdminApplication';
+import { UpdatedPackage } from './Updater';
+export declare type Extension = BaseExtension & {
+    name: string;
+};
+export interface ExtensionItemAttrs extends ComponentAttrs {
+    extension: Extension;
+    updates: UpdatedPackage;
+    onClickUpdate: CallableFunction;
+    whyNotWarning?: boolean;
+    isCore?: boolean;
+    updatable?: boolean;
+    isDanger?: boolean;
+}
+export default class ExtensionItem<Attrs extends ExtensionItemAttrs = ExtensionItemAttrs> extends Component<Attrs> {
+    view(vnode: Mithril.Vnode<Attrs, this>): Mithril.Children;
+    private version;
+}
diff --git a/extensions/package-manager/js/dist-typings/components/Installer.d.ts b/extensions/package-manager/js/dist-typings/components/Installer.d.ts
new file mode 100644
index 000000000..2a2bf6bc3
--- /dev/null
+++ b/extensions/package-manager/js/dist-typings/components/Installer.d.ts
@@ -0,0 +1,11 @@
+import type Mithril from 'mithril';
+import Component from 'flarum/common/Component';
+import Stream from 'flarum/common/utils/Stream';
+export default class Installer<Attrs> extends Component<Attrs> {
+    packageName: Stream<string>;
+    isLoading: boolean;
+    oninit(vnode: Mithril.Vnode<Attrs, this>): void;
+    view(): Mithril.Children;
+    data(): any;
+    onsubmit(): void;
+}
diff --git a/extensions/package-manager/js/dist-typings/components/MajorUpdater.d.ts b/extensions/package-manager/js/dist-typings/components/MajorUpdater.d.ts
new file mode 100644
index 000000000..326585b84
--- /dev/null
+++ b/extensions/package-manager/js/dist-typings/components/MajorUpdater.d.ts
@@ -0,0 +1,15 @@
+import Component, { ComponentAttrs } from 'flarum/common/Component';
+import Mithril from 'mithril';
+import { UpdatedPackage, UpdateState } from './Updater';
+interface MajorUpdaterAttrs extends ComponentAttrs {
+    coreUpdate: UpdatedPackage;
+    updateState: UpdateState;
+}
+export default class MajorUpdater<T extends MajorUpdaterAttrs = MajorUpdaterAttrs> extends Component<T> {
+    isLoading: string | null;
+    updateState: UpdateState;
+    oninit(vnode: Mithril.Vnode<T, this>): void;
+    view(vnode: Mithril.Vnode<T, this>): Mithril.Children;
+    update(dryRun: boolean): void;
+}
+export {};
diff --git a/extensions/package-manager/js/dist-typings/components/Updater.d.ts b/extensions/package-manager/js/dist-typings/components/Updater.d.ts
new file mode 100644
index 000000000..1afac3239
--- /dev/null
+++ b/extensions/package-manager/js/dist-typings/components/Updater.d.ts
@@ -0,0 +1,47 @@
+import Mithril from 'mithril';
+import Component from 'flarum/common/Component';
+import { Extension } from './ExtensionItem';
+export declare type UpdatedPackage = {
+    name: string;
+    version: string;
+    latest: string;
+    'latest-minor': string | null;
+    'latest-major': string | null;
+    'latest-status': string;
+    description: string;
+};
+export declare type ComposerUpdates = {
+    installed: UpdatedPackage[];
+};
+export declare type LastUpdateCheck = {
+    checkedAt: Date | null;
+    updates: ComposerUpdates;
+};
+declare type UpdateType = 'major' | 'minor' | 'global';
+declare type UpdateStatus = 'success' | 'failure' | null;
+export declare type UpdateState = {
+    ranAt: Date | null;
+    status: UpdateStatus;
+    limitedPackages: string[];
+    incompatibleExtensions: string[];
+};
+export declare type LastUpdateRun = {
+    [key in UpdateType]: UpdateState;
+} & {
+    limitedPackages: () => string[];
+};
+export default class Updater<Attrs> extends Component<Attrs> {
+    isLoading: string | null;
+    packageUpdates: Record<string, UpdatedPackage>;
+    lastUpdateCheck: LastUpdateCheck;
+    get lastUpdateRun(): LastUpdateRun;
+    oninit(vnode: Mithril.Vnode<Attrs, this>): void;
+    view(): (JSX.Element | null)[];
+    getExtensionUpdates(): Extension[];
+    getCoreUpdate(): UpdatedPackage | undefined;
+    checkForUpdates(): void;
+    updateCoreMinor(): void;
+    updateExtension(extension: any): void;
+    updateGlobally(): void;
+}
+export {};
diff --git a/extensions/package-manager/js/dist-typings/components/WhyNotModal.d.ts b/extensions/package-manager/js/dist-typings/components/WhyNotModal.d.ts
new file mode 100644
index 000000000..817978494
--- /dev/null
+++ b/extensions/package-manager/js/dist-typings/components/WhyNotModal.d.ts
@@ -0,0 +1,15 @@
+/// <reference path="../../../vendor/flarum/core/js/src/common/translator-icu-rich.d.ts" />
+import Mithril from 'mithril';
+import Modal, { IInternalModalAttrs } from 'flarum/common/components/Modal';
+export interface WhyNotModalAttrs extends IInternalModalAttrs {
+    package: string;
+}
+export default class WhyNotModal<Attrs extends WhyNotModalAttrs = WhyNotModalAttrs> extends Modal<Attrs> {
+    loading: boolean;
+    whyNot: string | null;
+    className(): string;
+    title(): import("@askvortsov/rich-icu-message-formatter").NestedStringArray;
+    oncreate(vnode: Mithril.VnodeDOM<Attrs, this>): void;
+    content(): JSX.Element;
+    requestWhyNot(): void;
+}
diff --git a/extensions/package-manager/js/dist-typings/index.d.ts b/extensions/package-manager/js/dist-typings/index.d.ts
new file mode 100644
index 000000000..cb0ff5c3b
--- /dev/null
+++ b/extensions/package-manager/js/dist-typings/index.d.ts
@@ -0,0 +1 @@
+export {};
diff --git a/extensions/package-manager/js/dist-typings/utils/errorHandler.d.ts b/extensions/package-manager/js/dist-typings/utils/errorHandler.d.ts
new file mode 100644
index 000000000..6717892f4
--- /dev/null
+++ b/extensions/package-manager/js/dist-typings/utils/errorHandler.d.ts
@@ -0,0 +1 @@
+export default function (e: any): void;