Feature/build step (#2)

* BundleAnalyzerPlugin

* lazy load highlight.js

* seperate bundles for each page

* prerender apps to html on build

* preload important font files

* dont prerender code copy button

* fix woff2 variant of font

* added missing doctype

* remove metatags component

11 files changed, 54 insertions, 85 deletions

diff --git a/packages/dev-tools-pages/ts/pages/Base.tsx b/packages/dev-tools-pages/ts/components/Base.tsx
index 7bb578611..16e9560f0 100644
--- a/packages/dev-tools-pages/ts/pages/Base.tsx
+++ b/packages/dev-tools-pages/ts/components/Base.tsx
@@ -2,7 +2,6 @@ import * as React from 'react';
 
 import ThemeContext from 'ts/context';
 import GlobalStyles from 'ts/globalStyles';
-import MetaTags from 'ts/components/MetaTags';
 import Header from 'ts/components/Header';
 import Hero from 'ts/components/Hero';
 import Footer from 'ts/components/Footer';
@@ -15,7 +14,6 @@ interface BaseProps {
 function Base(props: BaseProps) {
     return (
         <ThemeContext.Provider value={props.context}>
-            <MetaTags />
             <GlobalStyles />
             <Header />
             <Hero />
diff --git a/packages/dev-tools-pages/ts/components/Code.tsx b/packages/dev-tools-pages/ts/components/Code.tsx
index 44d1cb99c..72b3e1af7 100644
--- a/packages/dev-tools-pages/ts/components/Code.tsx
+++ b/packages/dev-tools-pages/ts/components/Code.tsx
@@ -69,8 +69,8 @@ class Code extends React.Component<CodeProps, CodeState> {
         const { language, children } = this.props;
 
         if (language !== undefined) {
-            const { highlight } = await import(/* webpackChunkName: 'highlight.js' */ 'highlight.js');
-            const { value: hlCode } = highlight(language, children as string);
+            const { default: hljs } = await System.import(/* webpackChunkName: 'highlightjs' */ 'ts/highlight');
+            const { value: hlCode } = hljs.highlight(language, children as string);
             this.setState({ hlCode });
         }
     }
@@ -103,7 +103,7 @@ class Code extends React.Component<CodeProps, CodeState> {
                         <StyledCode>{this.props.children}</StyledCode>
                     )}
                 </StyledPre>
-                <Button onClick={this.handleCopy}>Copy</Button>
+                {navigator.userAgent !== 'ReactSnap' ? <Button onClick={this.handleCopy}>Copy</Button> : null}
                 {!('clipboard' in navigator) ? (
                     <CopyInput readOnly aria-hidden="true" ref={this.code} value={children} />
                 ) : null}
diff --git a/packages/dev-tools-pages/ts/components/MetaTags.tsx b/packages/dev-tools-pages/ts/components/MetaTags.tsx
deleted file mode 100644
index 9bb33f7ab..000000000
--- a/packages/dev-tools-pages/ts/components/MetaTags.tsx
+++ /dev/null
@@ -1,28 +0,0 @@
-import * as React from 'react';
-import { Helmet } from 'react-helmet';
-
-import { withContext, Props } from './withContext';
-
-interface MetaTagsProps extends Props {
-    imgSrc?: string;
-}
-
-function MetaTags(props: MetaTagsProps) {
-    const { title, imgSrc = '/images/og_image.png' } = props;
-    const description = props.tagline;
-    return (
-        <Helmet>
-            <title>{props.title}</title>
-            <meta name="description" content={description} />
-            <link rel="shortcut icon" href={`/favicons/${props.name}.ico`} />
-            <meta property="og:title" content={title} />
-            <meta property="og:description" content={description} />
-            <meta property="og:type" content="website" />
-            <meta property="og:image" content={imgSrc} />
-            <meta name="twitter:site" content="@0xproject" />
-            <meta name="twitter:image" content={imgSrc} />
-        </Helmet>
-    );
-}
-
-export default withContext(MetaTags);
diff --git a/packages/dev-tools-pages/ts/globalStyles.tsx b/packages/dev-tools-pages/ts/globalStyles.tsx
index e8ef630da..13ecde7aa 100644
--- a/packages/dev-tools-pages/ts/globalStyles.tsx
+++ b/packages/dev-tools-pages/ts/globalStyles.tsx
@@ -11,21 +11,21 @@ const BaseStyles = createGlobalStyle`
 
   @font-face {
     font-family: "Maison Neue";
-    src: url("/fonts/MaisonNeue-Book-subset.woff") format("woff");
+    src: url("/fonts/MaisonNeue-Book-subset.woff2") format("woff2"), url("/fonts/MaisonNeue-Book-subset.woff") format("woff");
     font-weight: 300;
     font-display: swap;
     unicode-range: U+20-7E;
   }
   @font-face {
     font-family: "Maison Neue";
-    src: url("/fonts/MaisonNeue-Bold-subset.woff") format("woff");
+    src: url("/fonts/MaisonNeue-Bold-subset.woff2") format("woff2"), url("/fonts/MaisonNeue-Bold-subset.woff") format("woff");
     font-weight: 500;
     font-display: swap;
     unicode-range: U+20-7E;
   }
   @font-face {
     font-family: "Maison Neue Mono";
-    src: url("/fonts/MaisonNeue-Mono-subset.woff") format("woff");
+    src: url("/fonts/MaisonNeue-Mono-subset.woff2") format("woff2"), url("/fonts/MaisonNeue-Mono-subset.woff") format("woff");
     font-weight: 300;
     font-display: optional;
     unicode-range: U+20-7E;
diff --git a/packages/dev-tools-pages/ts/globals.d.ts b/packages/dev-tools-pages/ts/globals.d.ts
index da026a198..07871a74b 100644
--- a/packages/dev-tools-pages/ts/globals.d.ts
+++ b/packages/dev-tools-pages/ts/globals.d.ts
@@ -1,6 +1,8 @@
 declare module 'whatwg-fetch';
 declare module 'react-document-title';
 
+declare var System: any;
+
 declare module '*.json' {
     const json: any;
     /* tslint:disable */
diff --git a/packages/dev-tools-pages/ts/highlight.tsx b/packages/dev-tools-pages/ts/highlight.tsx
new file mode 100644
index 000000000..0c4602d51
--- /dev/null
+++ b/packages/dev-tools-pages/ts/highlight.tsx
@@ -0,0 +1,6 @@
+const highlight = require('highlight.js/lib/highlight');
+const javascript = require('highlight.js/lib/languages/javascript');
+
+highlight.registerLanguage('javascript', javascript);
+
+export default highlight;
diff --git a/packages/dev-tools-pages/ts/index.tsx b/packages/dev-tools-pages/ts/index.tsx
deleted file mode 100644
index b185e270a..000000000
--- a/packages/dev-tools-pages/ts/index.tsx
+++ /dev/null
@@ -1,37 +0,0 @@
-import * as React from 'react';
-import { render } from 'react-dom';
-import { Router, Link } from '@reach/router';
-
-import Trace from 'ts/pages/Trace';
-import Compiler from 'ts/pages/Compiler';
-import Cov from 'ts/pages/Cov';
-import Profiler from 'ts/pages/Profiler';
-
-const Index = (props: any) => (
-    <ul>
-        <li>
-            <Link to="/trace">sol-trace</Link>
-        </li>
-        <li>
-            <Link to="/compiler">sol-compiler</Link>
-        </li>
-        <li>
-            <Link to="/cov">sol-cov</Link>
-        </li>
-        <li>
-            <Link to="/profiler">sol-profiler</Link>
-        </li>
-    </ul>
-);
-
-const App = () => (
-    <Router>
-        <Trace path="/trace" />
-        <Compiler path="/compiler" />
-        <Cov path="/cov" />
-        <Profiler path="/profiler" />
-        <Index default />
-    </Router>
-);
-
-render(<App />, document.getElementById('app'));
diff --git a/packages/dev-tools-pages/ts/pages/Compiler.tsx b/packages/dev-tools-pages/ts/pages/Compiler.tsx
index 79c9f52e4..35c810cb3 100644
--- a/packages/dev-tools-pages/ts/pages/Compiler.tsx
+++ b/packages/dev-tools-pages/ts/pages/Compiler.tsx
@@ -1,7 +1,8 @@
 import * as React from 'react';
+import { render, hydrate } from 'react-dom';
 
 import context from 'ts/context/compiler';
-import Base from './Base';
+import Base from 'ts/components/Base';
 import Container from 'ts/components/Container';
 import Main from 'ts/components/Main';
 import ContentBlock from 'ts/components/ContentBlock';
@@ -11,7 +12,7 @@ import InlineCode from 'ts/components/InlineCode';
 import List from 'ts/components/List';
 import CompilerComponent from 'ts/components/Compiler';
 
-function Compiler(props: any) {
+function Compiler() {
     return (
         <Base context={context}>
             <Container>
@@ -52,4 +53,10 @@ const artifactAdapter = new SolCompilerArtifactAdapter(artifactsDir, contractsDi
     );
 }
 
-export default Compiler;
+const root = document.getElementById('app');
+
+if (root.hasChildNodes()) {
+    hydrate(<Compiler />, root);
+} else {
+    render(<Compiler />, root);
+}
diff --git a/packages/dev-tools-pages/ts/pages/Cov.tsx b/packages/dev-tools-pages/ts/pages/Cov.tsx
index b7405f8f9..e835e5c82 100644
--- a/packages/dev-tools-pages/ts/pages/Cov.tsx
+++ b/packages/dev-tools-pages/ts/pages/Cov.tsx
@@ -1,7 +1,8 @@
 import * as React from 'react';
+import { render, hydrate } from 'react-dom';
 
 import context from 'ts/context/cov';
-import Base from './Base';
+import Base from 'ts/components/Base';
 import Container from 'ts/components/Container';
 import Main from 'ts/components/Main';
 import ContentBlock from 'ts/components/ContentBlock';
@@ -11,7 +12,7 @@ import InlineCode from 'ts/components/InlineCode';
 import List from 'ts/components/List';
 import Intro from 'ts/components/Intro';
 
-function Cov(props: any) {
+function Cov() {
     return (
         <Base context={context}>
             <Container>
@@ -58,4 +59,10 @@ const artifactAdapter = new SolCompilerArtifactAdapter(artifactsDir, contractsDi
     );
 }
 
-export default Cov;
+const root = document.getElementById('app');
+
+if (root.hasChildNodes()) {
+    hydrate(<Cov />, root);
+} else {
+    render(<Cov />, root);
+}
diff --git a/packages/dev-tools-pages/ts/pages/Profiler.tsx b/packages/dev-tools-pages/ts/pages/Profiler.tsx
index d129d6427..9f8b46b9c 100644
--- a/packages/dev-tools-pages/ts/pages/Profiler.tsx
+++ b/packages/dev-tools-pages/ts/pages/Profiler.tsx
@@ -1,7 +1,8 @@
 import * as React from 'react';
+import { render, hydrate } from 'react-dom';
 
 import context from 'ts/context/profiler';
-import Base from './Base';
+import Base from 'ts/components/Base';
 import Container from 'ts/components/Container';
 import Main from 'ts/components/Main';
 import ContentBlock from 'ts/components/ContentBlock';
@@ -11,7 +12,7 @@ import InlineCode from 'ts/components/InlineCode';
 import List from 'ts/components/List';
 import Intro from 'ts/components/Intro';
 
-function Profiler(props: any) {
+function Profiler() {
     return (
         <Base context={context}>
             <Container>
@@ -58,4 +59,10 @@ const artifactAdapter = new SolCompilerArtifactAdapter(artifactsDir, contractsDi
     );
 }
 
-export default Profiler;
+const root = document.getElementById('app');
+
+if (root.hasChildNodes()) {
+    hydrate(<Profiler />, root);
+} else {
+    render(<Profiler />, root);
+}
diff --git a/packages/dev-tools-pages/ts/pages/Trace.tsx b/packages/dev-tools-pages/ts/pages/Trace.tsx
index 5dddf027e..be5acdac4 100644
--- a/packages/dev-tools-pages/ts/pages/Trace.tsx
+++ b/packages/dev-tools-pages/ts/pages/Trace.tsx
@@ -1,7 +1,8 @@
 import * as React from 'react';
+import { render, hydrate } from 'react-dom';
 
 import context from 'ts/context/trace';
-import Base from './Base';
+import Base from 'ts/components/Base';
 import Container from 'ts/components/Container';
 import Main from 'ts/components/Main';
 import ContentBlock from 'ts/components/ContentBlock';
@@ -11,7 +12,7 @@ import InlineCode from 'ts/components/InlineCode';
 import List from 'ts/components/List';
 import TraceComponent from 'ts/components/Trace';
 
-function Trace(props: any) {
+function Trace() {
     return (
         <Base context={context}>
             <TraceComponent />
@@ -52,4 +53,10 @@ const artifactAdapter = new SolCompilerArtifactAdapter(artifactsDir, contractsDi
     );
 }
 
-export default Trace;
+const root = document.getElementById('app');
+
+if (root.hasChildNodes()) {
+    hydrate(<Trace />, root);
+} else {
+    render(<Trace />, root);
+}