diff --git a/types/next/.prettierrc b/types/next/.prettierrc
new file mode 100644
index 0000000000..8682c4845c
--- /dev/null
+++ b/types/next/.prettierrc
@@ -0,0 +1,5 @@
+{
+    "parser": "typescript",
+    "tabWidth": 4,
+    "trailingComma": "all"
+}
diff --git a/types/next/document.d.ts b/types/next/document.d.ts
index dfb34359e1..4696819626 100644
--- a/types/next/document.d.ts
+++ b/types/next/document.d.ts
@@ -1,4 +1,4 @@
-import * as React from 'react';
+import * as React from "react";
 
 export interface DocumentProps {
     __NEXT_DATA__?: any;
diff --git a/types/next/dynamic.d.ts b/types/next/dynamic.d.ts
index 4271f89c96..62d53f1e72 100644
--- a/types/next/dynamic.d.ts
+++ b/types/next/dynamic.d.ts
@@ -1,16 +1,29 @@
-import * as React from 'react';
+import * as React from "react";
 
 export interface DynamicOptions<TCProps, TLProps> {
     loading?: React.ComponentType<TLProps>;
     ssr?: boolean;
-    modules?(props: TCProps & TLProps): { [key: string]: Promise<React.ComponentType<any>> };
-    render?(props: TCProps & TLProps, modules: { [key: string]: React.ComponentType<any> }): void;
+    modules?(
+        props: TCProps & TLProps,
+    ): { [key: string]: Promise<React.ComponentType<any>> };
+    render?(
+        props: TCProps & TLProps,
+        modules: { [key: string]: React.ComponentType<any> },
+    ): void;
 }
 
 export class SameLoopPromise<T> extends Promise<T> {
-    constructor(executor: (resolve: (value?: T) => void, reject: (reason?: any) => void) => void);
+    constructor(
+        executor: (
+            resolve: (value?: T) => void,
+            reject: (reason?: any) => void,
+        ) => void,
+    );
     setResult(value: T): void;
     setError(value: any): void;
     runIfNeeded(): void;
 }
-export default function<TCProps, TLProps>(componentPromise: Promise<React.ComponentType<TCProps>>, options?: DynamicOptions<TCProps, TLProps>): React.ComponentType<TCProps & TLProps>;
+export default function<TCProps, TLProps>(
+    componentPromise: Promise<React.ComponentType<TCProps>>,
+    options?: DynamicOptions<TCProps, TLProps>,
+): React.ComponentType<TCProps & TLProps>;
diff --git a/types/next/error.d.ts b/types/next/error.d.ts
index a6d8695947..d05d25b9c8 100644
--- a/types/next/error.d.ts
+++ b/types/next/error.d.ts
@@ -1,2 +1,2 @@
-import * as React from 'react';
-export default class extends React.Component<{statusCode: number}> {}
+import * as React from "react";
+export default class extends React.Component<{ statusCode: number }> {}
diff --git a/types/next/head.d.ts b/types/next/head.d.ts
index fc50b7bcf9..24fab7a076 100644
--- a/types/next/head.d.ts
+++ b/types/next/head.d.ts
@@ -1,4 +1,4 @@
-import * as React from 'react';
+import * as React from "react";
 
 export function defaultHead(): JSX.Element[];
 export default class extends React.Component {
diff --git a/types/next/index.d.ts b/types/next/index.d.ts
index 17f3848bca..4942e778c5 100644
--- a/types/next/index.d.ts
+++ b/types/next/index.d.ts
@@ -6,58 +6,109 @@
 
 /// <reference types="node" />
 
-import * as http from 'http';
-import * as url from 'url';
+import * as http from "http";
+import * as url from "url";
 
 declare namespace next {
-  type UrlLike = url.UrlObject | url.Url;
+    type UrlLike = url.UrlObject | url.Url;
 
-  interface ServerConfig {
-    // known keys
-    webpack?: any;
-    webpackDevMiddleware?: any;
-    poweredByHeader?: boolean;
-    distDir?: string;
-    assetPrefix?: string;
-    configOrigin?: string;
-    useFileSystemPublicRoutes?: boolean;
+    interface ServerConfig {
+        // known keys
+        webpack?: any;
+        webpackDevMiddleware?: any;
+        poweredByHeader?: boolean;
+        distDir?: string;
+        assetPrefix?: string;
+        configOrigin?: string;
+        useFileSystemPublicRoutes?: boolean;
 
-    // and since this is a config, it can take anything else, too.
-    [key: string]: any;
-  }
+        // and since this is a config, it can take anything else, too.
+        [key: string]: any;
+    }
 
-  interface ServerOptions {
-    dir?: string;
-    dev?: boolean;
-    staticMarkup?: boolean;
-    quiet?: boolean;
-    conf?: ServerConfig;
-  }
+    interface ServerOptions {
+        dir?: string;
+        dev?: boolean;
+        staticMarkup?: boolean;
+        quiet?: boolean;
+        conf?: ServerConfig;
+    }
 
-  interface Server {
-    handleRequest(req: http.IncomingMessage, res: http.ServerResponse, parsedUrl?: UrlLike): Promise<void>;
-    getRequestHandler(): (req: http.IncomingMessage, res: http.ServerResponse, parsedUrl?: UrlLike) => Promise<void>;
-    prepare(): Promise<void>;
-    close(): Promise<void>;
-    defineRoutes(): Promise<void>;
-    start(): Promise<void>;
-    run(req: http.IncomingMessage, res: http.ServerResponse, parsedUrl: UrlLike): Promise<void>;
+    interface Server {
+        handleRequest(
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            parsedUrl?: UrlLike,
+        ): Promise<void>;
+        getRequestHandler(): (
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            parsedUrl?: UrlLike,
+        ) => Promise<void>;
+        prepare(): Promise<void>;
+        close(): Promise<void>;
+        defineRoutes(): Promise<void>;
+        start(): Promise<void>;
+        run(
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            parsedUrl: UrlLike,
+        ): Promise<void>;
 
-    render(req: http.IncomingMessage, res: http.ServerResponse, pathname: string, query?: {[key: string]: any}, parsedUrl?: UrlLike): Promise<void>;
-    renderError(err: any, req: http.IncomingMessage, res: http.ServerResponse, pathname: string, query?: {[key: string]: any}): Promise<void>;
-    render404(req: http.IncomingMessage, res: http.ServerResponse, parsedUrl: UrlLike): Promise<void>;
-    renderToHTML(req: http.IncomingMessage, res: http.ServerResponse, pathname: string, query?: {[key: string]: any}): Promise<string>;
-    renderErrorToHTML(err: any, req: http.IncomingMessage, res: http.ServerResponse, pathname: string, query?: {[key: string]: any}): Promise<string>;
+        render(
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            pathname: string,
+            query?: { [key: string]: any },
+            parsedUrl?: UrlLike,
+        ): Promise<void>;
+        renderError(
+            err: any,
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            pathname: string,
+            query?: { [key: string]: any },
+        ): Promise<void>;
+        render404(
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            parsedUrl: UrlLike,
+        ): Promise<void>;
+        renderToHTML(
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            pathname: string,
+            query?: { [key: string]: any },
+        ): Promise<string>;
+        renderErrorToHTML(
+            err: any,
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            pathname: string,
+            query?: { [key: string]: any },
+        ): Promise<string>;
 
-    serveStatic(req: http.IncomingMessage, res: http.ServerResponse, path: string): Promise<void>;
-    isServeableUrl(path: string): boolean;
-    isInternalUrl(req: http.IncomingMessage): boolean;
-    readBuildId(): string;
-    handleBuildId(buildId: string, res: http.ServerResponse): boolean;
-    getCompilationError(page: string, req: http.IncomingMessage, res: http.ServerResponse): Promise<any>;
-    handleBuildHash(filename: string, hash: string, res: http.ServerResponse): void;
-    send404(res: http.ServerResponse): void;
-  }
+        serveStatic(
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+            path: string,
+        ): Promise<void>;
+        isServeableUrl(path: string): boolean;
+        isInternalUrl(req: http.IncomingMessage): boolean;
+        readBuildId(): string;
+        handleBuildId(buildId: string, res: http.ServerResponse): boolean;
+        getCompilationError(
+            page: string,
+            req: http.IncomingMessage,
+            res: http.ServerResponse,
+        ): Promise<any>;
+        handleBuildHash(
+            filename: string,
+            hash: string,
+            res: http.ServerResponse,
+        ): void;
+        send404(res: http.ServerResponse): void;
+    }
 }
 
 declare function next(options?: next.ServerOptions): next.Server;
diff --git a/types/next/link.d.ts b/types/next/link.d.ts
index d931dd550d..36c2e33546 100644
--- a/types/next/link.d.ts
+++ b/types/next/link.d.ts
@@ -1,5 +1,5 @@
-import * as url from 'url';
-import * as React from 'react';
+import * as url from "url";
+import * as React from "react";
 
 export type UrlLike = url.UrlObject | url.Url;
 export interface LinkState {
diff --git a/types/next/router.d.ts b/types/next/router.d.ts
index 9f937ca6ba..90a2e3af55 100644
--- a/types/next/router.d.ts
+++ b/types/next/router.d.ts
@@ -1,5 +1,5 @@
-import * as React from 'react';
-import * as url from 'url';
+import * as React from "react";
+import * as url from "url";
 
 type UrlLike = url.UrlObject | url.Url;
 
@@ -14,7 +14,9 @@ export interface SingletonRouter {
     ready(cb: RouterCallback): void;
 
     // router properties
-    readonly components: { [key: string]: { Component: React.ComponentType<any>, err: any } };
+    readonly components: {
+        [key: string]: { Component: React.ComponentType<any>; err: any };
+    };
     readonly pathname: string;
     readonly route: string;
     readonly asPath?: string;
@@ -23,8 +25,16 @@ export interface SingletonRouter {
     // router methods
     reload(route: string): Promise<void>;
     back(): void;
-    push(url: string|UrlLike, as?: string|UrlLike, options?: EventChangeOptions): Promise<boolean>;
-    replace(url: string|UrlLike, as?: string|UrlLike, options?: EventChangeOptions): Promise<boolean>;
+    push(
+        url: string | UrlLike,
+        as?: string | UrlLike,
+        options?: EventChangeOptions,
+    ): Promise<boolean>;
+    replace(
+        url: string | UrlLike,
+        as?: string | UrlLike,
+        options?: EventChangeOptions,
+    ): Promise<boolean>;
     prefetch(url: string): Promise<React.ComponentType<any>>;
 
     // router events
@@ -35,7 +45,9 @@ export interface SingletonRouter {
     onRouteChangeError?(error: any, url: string): void;
 }
 
-export function withRouter<T extends {}>(Component: React.ComponentType<T & {router: SingletonRouter}>): React.ComponentType<T>;
+export function withRouter<T extends {}>(
+    Component: React.ComponentType<T & { router: SingletonRouter }>,
+): React.ComponentType<T>;
 
 export const Singleton: SingletonRouter;
 export default Singleton;
diff --git a/types/next/test/next-document-tests.tsx b/types/next/test/next-document-tests.tsx
index 4fbb25948b..0177d1d451 100644
--- a/types/next/test/next-document-tests.tsx
+++ b/types/next/test/next-document-tests.tsx
@@ -1,12 +1,12 @@
-import Document, * as document from 'next/document';
-import * as React from 'react';
+import Document, * as document from "next/document";
+import * as React from "react";
 
 const results = (
-  <Document any="property" should="work" here>
-    <document.Head some="more" properties>
-      <meta name="description" content="Head can have children, too!" />
-    </document.Head>
-    <document.Main />
-    <document.NextScript />
-  </Document>
+    <Document any="property" should="work" here>
+        <document.Head some="more" properties>
+            <meta name="description" content="Head can have children, too!" />
+        </document.Head>
+        <document.Main />
+        <document.NextScript />
+    </Document>
 );
diff --git a/types/next/test/next-dynamic-tests.tsx b/types/next/test/next-dynamic-tests.tsx
index be10954de9..0b4cdde82d 100644
--- a/types/next/test/next-dynamic-tests.tsx
+++ b/types/next/test/next-dynamic-tests.tsx
@@ -1,23 +1,25 @@
-import dynamic, * as d from 'next/dynamic';
-import * as React from 'react';
+import dynamic, * as d from "next/dynamic";
+import * as React from "react";
 
 // typically you'd use this with an esnext-style import() statement, but we'll make do without
 interface DynamicComponentProps {
-  foo: string;
-  bar: number;
+    foo: string;
+    bar: number;
 }
 async function getComponent() {
-  return (
-    (props: DynamicComponentProps) => <div>I'm an async component! {props.foo} {props.bar}</div>
-  );
+    return (props: DynamicComponentProps) => (
+        <div>
+            I'm an async component! {props.foo} {props.bar}
+        </div>
+    );
 }
 
 interface LoadingComponentProps {
-  baz: boolean;
+    baz: boolean;
 }
 
 const DynamicComponent = dynamic(getComponent(), {
-  loading: (props: LoadingComponentProps) => <div>Loading! {props.baz}</div>
+    loading: (props: LoadingComponentProps) => <div>Loading! {props.baz}</div>,
 });
 
-const jsx = (<DynamicComponent foo='five' bar={5} baz />);
+const jsx = <DynamicComponent foo="five" bar={5} baz />;
diff --git a/types/next/test/next-error-tests.tsx b/types/next/test/next-error-tests.tsx
index 38692ac6de..057eb95f23 100644
--- a/types/next/test/next-error-tests.tsx
+++ b/types/next/test/next-error-tests.tsx
@@ -1,6 +1,4 @@
-import * as React from 'react';
-import ErrorComponent from 'next/error';
+import * as React from "react";
+import ErrorComponent from "next/error";
 
-const result = (
-  <ErrorComponent statusCode={404} />
-);
+const result = <ErrorComponent statusCode={404} />;
diff --git a/types/next/test/next-head-tests.tsx b/types/next/test/next-head-tests.tsx
index c81333700c..735402ca9a 100644
--- a/types/next/test/next-head-tests.tsx
+++ b/types/next/test/next-head-tests.tsx
@@ -1,19 +1,11 @@
-import Head, * as head from 'next/head';
-import * as React from 'react';
+import Head, * as head from "next/head";
+import * as React from "react";
 
 const elements: JSX.Element[] = head.defaultHead();
-const jsx = (
-  <Head>
-    {elements}
-  </Head>
-);
+const jsx = <Head>{elements}</Head>;
 
 if (!Head.canUseDOM) {
-  Head.rewind().map(
-    x => [x.key, x.props, x.type]
-  );
+    Head.rewind().map(x => [x.key, x.props, x.type]);
 }
 
-Head.peek().map(
-  x => [x.key, x.props, x.type]
-);
+Head.peek().map(x => [x.key, x.props, x.type]);
diff --git a/types/next/test/next-link-tests.tsx b/types/next/test/next-link-tests.tsx
index 281c6aff7a..2a85fec1ad 100644
--- a/types/next/test/next-link-tests.tsx
+++ b/types/next/test/next-link-tests.tsx
@@ -1,13 +1,23 @@
-import Link from 'next/link';
-import * as React from 'react';
+import Link from "next/link";
+import * as React from "react";
 
 const links = (
-  <div>
-    <Link as="foo" href="https://www.example.com" onError={(e: any) => { console.log("Handled error!", e); }} prefetch replace scroll shallow>
-      <a>Gotta link to somewhere!</a>
-    </Link>
-    <Link>
-      <a>All props are optional!</a>
-    </Link>
-  </div>
+    <div>
+        <Link
+            as="foo"
+            href="https://www.example.com"
+            onError={(e: any) => {
+                console.log("Handled error!", e);
+            }}
+            prefetch
+            replace
+            scroll
+            shallow
+        >
+            <a>Gotta link to somewhere!</a>
+        </Link>
+        <Link>
+            <a>All props are optional!</a>
+        </Link>
+    </div>
 );
diff --git a/types/next/test/next-router-tests.tsx b/types/next/test/next-router-tests.tsx
index e713f127b7..fe82d6f0b2 100644
--- a/types/next/test/next-router-tests.tsx
+++ b/types/next/test/next-router-tests.tsx
@@ -1,28 +1,34 @@
-import Router, * as r from 'next/router';
-import * as React from 'react';
-import * as qs from 'querystring';
+import Router, * as r from "next/router";
+import * as React from "react";
+import * as qs from "querystring";
 
-Router.readyCallbacks.push(() => { console.log("I'll get called when the router initializes."); });
-Router.ready(() => { console.log("I'll get called immediately if the router initializes, or when it eventually does."); });
+Router.readyCallbacks.push(() => {
+    console.log("I'll get called when the router initializes.");
+});
+Router.ready(() => {
+    console.log(
+        "I'll get called immediately if the router initializes, or when it eventually does.",
+    );
+});
 
 // Access readonly properties of the router.
 
 Object.keys(Router.components).forEach(key => {
-  const c = Router.components[key];
-  c.err.isAnAny;
+    const c = Router.components[key];
+    c.err.isAnAny;
 
-  return <c.Component />;
+    return <c.Component />;
 });
 
 function split(routeLike: string) {
-  routeLike.split('/').forEach(part => {
-    console.log("path part: ", part);
-  });
+    routeLike.split("/").forEach(part => {
+        console.log("path part: ", part);
+    });
 }
 
 if (Router.asPath) {
-  split(Router.asPath);
-  split(Router.asPath);
+    split(Router.asPath);
+    split(Router.asPath);
 }
 
 split(Router.pathname);
@@ -31,25 +37,41 @@ const query = `?${qs.stringify(Router.query)}`;
 
 // Assign some callback methods.
 Router.onAppUpdated = (nextRoute: string) => console.log(nextRoute);
-Router.onRouteChangeStart = (url: string) => console.log("Route is starting to change.", url);
-Router.onBeforeHistoryChange = (as: string) => console.log("History hasn't changed yet.", as);
-Router.onRouteChangeComplete = (url: string) => console.log("Route chaneg is complete.", url);
-Router.onRouteChangeError = (err: any, url: string) => console.log("Route is starting to change.", url, err);
+Router.onRouteChangeStart = (url: string) =>
+    console.log("Route is starting to change.", url);
+Router.onBeforeHistoryChange = (as: string) =>
+    console.log("History hasn't changed yet.", as);
+Router.onRouteChangeComplete = (url: string) =>
+    console.log("Route chaneg is complete.", url);
+Router.onRouteChangeError = (err: any, url: string) =>
+    console.log("Route is starting to change.", url, err);
 
 // Call methods on the router itself.
-Router.reload('/route').then(() => console.log('route was reloaded'));
+Router.reload("/route").then(() => console.log("route was reloaded"));
 Router.back();
 
-Router.push('/route').then((success: boolean) => console.log('route push success: ', success));
-Router.push('/route', '/asRoute').then((success: boolean) => console.log('route push success: ', success));
-Router.push('/route', '/asRoute', {shallow: false}).then((success: boolean) => console.log('route push success: ', success));
+Router.push("/route").then((success: boolean) =>
+    console.log("route push success: ", success),
+);
+Router.push("/route", "/asRoute").then((success: boolean) =>
+    console.log("route push success: ", success),
+);
+Router.push("/route", "/asRoute", { shallow: false }).then((success: boolean) =>
+    console.log("route push success: ", success),
+);
 
-Router.replace('/route').then((success: boolean) => console.log('route replace success: ', success));
-Router.replace('/route', '/asRoute').then((success: boolean) => console.log('route replace success: ', success));
-Router.replace('/route', '/asRoute', {shallow: false}).then((success: boolean) => console.log('route replace success: ', success));
+Router.replace("/route").then((success: boolean) =>
+    console.log("route replace success: ", success),
+);
+Router.replace("/route", "/asRoute").then((success: boolean) =>
+    console.log("route replace success: ", success),
+);
+Router.replace("/route", "/asRoute", {
+    shallow: false,
+}).then((success: boolean) => console.log("route replace success: ", success));
 
-Router.prefetch('/route').then(Component => {
-  const element = (<Component />);
+Router.prefetch("/route").then(Component => {
+    const element = <Component />;
 });
 
 r.withRouter(props => <div />);
diff --git a/types/next/test/next-tests.ts b/types/next/test/next-tests.ts
index 7e9bb474e7..ddbc51ee33 100644
--- a/types/next/test/next-tests.ts
+++ b/types/next/test/next-tests.ts
@@ -1,56 +1,78 @@
-import createServer = require('next');
-import * as http from 'http';
-import * as url from 'url';
+import createServer = require("next");
+import * as http from "http";
+import * as url from "url";
 
 const defaultServer: createServer.Server = createServer();
 const server = createServer({
-  dir: '..',
-  quiet: true,
-  conf: {
-    distDir: './dist',
-    useFileSystemPublicRoutes: false,
-    anotherProperty: {
-      key: true
-    }
-  },
+    dir: "..",
+    quiet: true,
+    conf: {
+        distDir: "./dist",
+        useFileSystemPublicRoutes: false,
+        anotherProperty: {
+            key: true,
+        },
+    },
 });
 
 const voidFunc = () => {};
-const stringFunc = (x: string) => x.split('\n');
+const stringFunc = (x: string) => x.split("\n");
 
 server.prepare().then(voidFunc);
 server.close().then(voidFunc);
 server.defineRoutes().then(voidFunc);
 server.start().then(voidFunc);
 
-const parsedUrl = url.parse('https://www.example.com');
+const parsedUrl = url.parse("https://www.example.com");
 const handler = server.getRequestHandler();
 
 function handle(req: http.IncomingMessage, res: http.ServerResponse) {
-  handler(req, res);
-  handler(req, res, parsedUrl).then(voidFunc);
-  server.run(req, res, parsedUrl).then(voidFunc);
+    handler(req, res);
+    handler(req, res, parsedUrl).then(voidFunc);
+    server.run(req, res, parsedUrl).then(voidFunc);
 
-  server.render(req, res, '/path/to/resource').then(voidFunc);
-  server.render(req, res, '/path/to/resource', {}, parsedUrl).then(voidFunc);
-  server.render(req, res, '/path/to/resource', { key: 'value' }, parsedUrl).then(voidFunc);
-  server.renderError(new Error(), req, res, '/path/to/resource').then(voidFunc);
-  server.renderError(new Error(), req, res, '/path/to/resource', { key: 'value' }).then(voidFunc);
-  server.renderError('this can be an error, too!', req, res, '/path/to/resource', { key: 'value' }).then(voidFunc);
-  server.render404(req, res, parsedUrl).then(voidFunc);
+    server.render(req, res, "/path/to/resource").then(voidFunc);
+    server.render(req, res, "/path/to/resource", {}, parsedUrl).then(voidFunc);
+    server
+        .render(req, res, "/path/to/resource", { key: "value" }, parsedUrl)
+        .then(voidFunc);
+    server
+        .renderError(new Error(), req, res, "/path/to/resource")
+        .then(voidFunc);
+    server
+        .renderError(new Error(), req, res, "/path/to/resource", {
+            key: "value",
+        })
+        .then(voidFunc);
+    server
+        .renderError(
+            "this can be an error, too!",
+            req,
+            res,
+            "/path/to/resource",
+            { key: "value" },
+        )
+        .then(voidFunc);
+    server.render404(req, res, parsedUrl).then(voidFunc);
 
-  server.renderToHTML(req, res, '/path/to/resource', { foo: 'bar' }).then(x => x.split('\n'));
-  server.renderErrorToHTML(new Error(), req, res, '/path/to/resource', { foo: 'bar' }).then(x => x.split('\n'));
+    server
+        .renderToHTML(req, res, "/path/to/resource", { foo: "bar" })
+        .then(x => x.split("\n"));
+    server
+        .renderErrorToHTML(new Error(), req, res, "/path/to/resource", {
+            foo: "bar",
+        })
+        .then(x => x.split("\n"));
 
-  server.serveStatic(req, res, '/path/to/thing').then(voidFunc);
+    server.serveStatic(req, res, "/path/to/thing").then(voidFunc);
 
-  let b: boolean;
-  b = server.isServeableUrl('/path/to/thing');
-  b = server.isInternalUrl(req);
-  b = server.handleBuildId('{buildId}', res);
+    let b: boolean;
+    b = server.isServeableUrl("/path/to/thing");
+    b = server.isInternalUrl(req);
+    b = server.handleBuildId("{buildId}", res);
 
-  const s: string = server.readBuildId();
-  server.getCompilationError('page', req, res).then(err => err.thisIsAnAny);
-  server.handleBuildHash('filename', 'hash', res);
-  server.send404(res);
+    const s: string = server.readBuildId();
+    server.getCompilationError("page", req, res).then(err => err.thisIsAnAny);
+    server.handleBuildHash("filename", "hash", res);
+    server.send404(res);
 }