feat(website): no global docusaurus styles

packages/docusaurus-preset/README.md

@@ -0,0 +1,2 @@
+# `@elastic/eui-docusaurus-preset`
+

packages/docusaurus-preset/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "@elastic/eui-docusaurus-preset",
+  "description": "EUI preset for Docusaurus",
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "scripts": {
+    "build": "tsc",
+    "start": "tsc --watch"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/elastic/eui.git",
+    "directory": "packages/docusaurus-preset"
+  },
+  "devDependencies": {
+    "@docusaurus/types": "^3.7.0",
+    "typescript": "~5.5.4"
+  },
+  "peerDependencies": {
+    "react": "^18.0.0 || ^19.0.0",
+    "react-dom": "^18.0.0 || ^19.0.0"
+  }
+}

packages/docusaurus-preset/src/index.ts

@@ -0,0 +1,109 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import type {
+  LoadContext,
+  PluginConfig,
+  PluginModule,
+  PluginOptions,
+  Preset,
+} from '@docusaurus/types';
+import { Options } from './options';
+
+/**
+ * Docusaurus plugin to ignore any Infima stylesheet imports.
+ * This is needed so that Infima doesn't pollute global CSS scope
+ * and affect how EUI components are rendered
+ */
+const ignoreInfimaPlugin: PluginModule = () => ({
+  name: 'ignore-infima-plugin',
+  configureWebpack(config: any, isServer: boolean, utils: any) {
+    return {
+      module: {
+        rules: [
+          {
+            test: /node_modules\/infima/,
+            use: 'null-loader',
+          },
+        ],
+      },
+    };
+  },
+});
+
+const makePluginConfig = (
+  source: string,
+  options?: PluginOptions
+): string | [string, PluginOptions] => {
+  if (!options) {
+    return require.resolve(source);
+  }
+
+  return [require.resolve(source), options];
+};
+
+export default function preset(
+  context: LoadContext,
+  options: Options = {}
+): Preset {
+  const isProd = process.env.NODE_ENV === 'production';
+
+  const themes: PluginConfig[] = [
+    // EUI theme is based on the classic docusaurus theme
+    require.resolve('@docusaurus/theme-classic'),
+
+    require.resolve('@elastic/eui-docusaurus-theme'),
+  ];
+
+  const plugins: PluginConfig[] = [
+    ignoreInfimaPlugin,
+    makePluginConfig('@docusaurus/plugin-content-docs', options.docs),
+    makePluginConfig('@docusaurus/plugin-content-pages', options.pages),
+    makePluginConfig('@docusaurus/plugin-svgr', options.svgr),
+  ];
+
+  if (options.blog !== false) {
+    plugins.push(
+      makePluginConfig('@docusaurus/plugin-content-blog', options.blog)
+    );
+  }
+
+  if (isProd) {
+    plugins.push(
+      makePluginConfig('@docusaurus/plugin-sitemap', options.sitemap)
+    );
+  }
+
+  if (options.googleAnalytics) {
+    plugins.push(
+      makePluginConfig(
+        '@docusaurus/plugin-google-analytics',
+        options.googleAnalytics
+      )
+    );
+  }
+
+  if (options.googleTagManager) {
+    plugins.push(
+      makePluginConfig(
+        '@docusaurus/plugin-google-tag-manager',
+        options.googleTagManager
+      )
+    );
+  }
+
+  if (options.gtag) {
+    plugins.push(
+      makePluginConfig('@docusaurus/plugin-google-gtag', options.gtag)
+    );
+  }
+
+  return { themes, plugins };
+}
+
+export type { Options };

packages/docusaurus-preset/src/options.ts

@@ -0,0 +1,76 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+// Based on https://github.com/facebook/docusaurus/blob/main/packages/docusaurus-preset-classic/src/options.ts
+
+import type { ThemeConfig as BaseThemeConfig } from '@docusaurus/types';
+import type { UserThemeConfig as ClassicThemeConfig } from '@docusaurus/theme-common';
+
+import type { Options as DocsPluginOptions } from '@docusaurus/plugin-content-docs';
+import type { Options as BlogPluginOptions } from '@docusaurus/plugin-content-blog';
+import type { Options as PagesPluginOptions } from '@docusaurus/plugin-content-pages';
+import type { Options as SitemapPluginOptions } from '@docusaurus/plugin-sitemap';
+import type { Options as SVGRPluginOptions } from '@docusaurus/plugin-svgr';
+import type { Options as ThemeOptions } from '@docusaurus/theme-classic';
+import type { Options as GAPluginOptions } from '@docusaurus/plugin-google-analytics';
+import type { Options as GtagPluginOptions } from '@docusaurus/plugin-google-gtag';
+import type { Options as GTMPluginOptions } from '@docusaurus/plugin-google-tag-manager';
+
+export type Options = {
+  /**
+   * Options for `@docusaurus/plugin-content-docs`.
+   */
+  docs?: DocsPluginOptions;
+
+  /**
+   * Options for `@docusaurus/plugin-content-pages`.
+   */
+  pages?: PagesPluginOptions;
+
+  /**
+   * Options for `@docusaurus/plugin-svgr`.
+   */
+  svgr?: SVGRPluginOptions;
+
+  /**
+   * Options for `@docusaurus/plugin-sitemap`.
+   * Enabled in production builds
+   */
+  sitemap?: SitemapPluginOptions;
+
+  /**
+   * Options for `@docusaurus/theme-classic`.
+   */
+  theme?: ThemeOptions;
+
+  /**
+   * Options for `@docusaurus/plugin-content-blog`.
+   * Use `false` to disable.
+   */
+  blog?: false | BlogPluginOptions;
+
+  /**
+   * Options for `@docusaurus/plugin-google-analytics`. Only enabled when the
+   * key is present.
+   */
+  googleAnalytics?: GAPluginOptions;
+
+  /**
+   * Options for `@docusaurus/plugin-google-gtag`. Only enabled when the key
+   * is present.
+   */
+  gtag?: GtagPluginOptions;
+
+  /**
+   * Options for `@docusaurus/plugin-google-tag-manager`. Only enabled when
+   * the key is present.
+   */
+  googleTagManager?: GTMPluginOptions;
+};
+
+export type ThemeConfig = BaseThemeConfig & ClassicThemeConfig;

packages/docusaurus-preset/tsconfig.json

@@ -0,0 +1,57 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "compilerOptions": {
+    "outDir": "lib",
+    /* Emit */
+    "target": "ES2020",
+    "lib": ["ESNext", "DOM"],
+    "declaration": true,
+    // These two options will be selectively overridden in each project.
+    // Utility libraries will have source maps on, but plugins will not.
+    "declarationMap": false,
+    "sourceMap": false,
+    "jsx": "react-jsx",
+    "jsxImportSource": "@emotion/react",
+    "importHelpers": true,
+    "noEmitHelpers": true,
+
+    /* Strict Type-Checking Options */
+    "allowUnreachableCode": false,
+    // Too hard to turn on
+    "exactOptionalPropertyTypes": false,
+    "noFallthroughCasesInSwitch": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true,
+    // `process.env` is usually accessed as property
+    "noPropertyAccessFromIndexSignature": false,
+    "noUncheckedIndexedAccess": true,
+    /* strict family */
+    "strict": true,
+    "alwaysStrict": true,
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "strictBindCallApply": true,
+    "strictFunctionTypes": true,
+    "strictNullChecks": true,
+    "strictPropertyInitialization": true,
+    "useUnknownInCatchVariables": true,
+    /* Handled by ESLint */
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "importsNotUsedAsValues": "remove",
+
+    /* Module Resolution */
+    "moduleResolution": "Node",
+    "resolveJsonModule": true,
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "isolatedModules": true,
+    "allowJs": true,
+    "skipLibCheck": true
+  },
+  "include": ["src"],
+  "exclude": [
+    "node_modules"
+  ]
+}

packages/docusaurus-theme/src/components/theme_context/index.tsx

@@ -71,7 +71,6 @@ export const AppThemeProvider: FunctionComponent<PropsWithChildren> = ({
       }}
     >
       <EuiProvider
-        globalStyles={false}
         modify={EuiThemeOverrides}
         colorMode={colorMode}
         theme={theme.provider}

packages/docusaurus-theme/src/theme/Footer/index.tsx

@@ -29,27 +29,33 @@ const getFooterStyles = ({ euiTheme }: UseEuiTheme) => {
   };
 };
 
-const Footer = () => {
+const _Footer = () => {
   const styles = useEuiMemoizedStyles(getFooterStyles);
 
+  return (
+    <footer css={styles.root}>
+      <EuiText textAlign="center" size="s" css={styles.text}>
+        EUI is dual-licensed under{' '}
+        <EuiLink href={ELASTIC_LICENSE_URL}>Elastic License 2.0</EuiLink>
+        {' and '}
+        <EuiLink href={SSPL_LICENSE_URL}>
+          Server Side Public License, v 1
+        </EuiLink>
+        {' | '}
+        Crafted with{' '}
+        <span role="img" aria-label="love" css={styles.heart}>
+          ❤
+        </span>{' '}
+        by <EuiLink href="https://elastic.co">Elastic</EuiLink>
+      </EuiText>
+    </footer>
+  );
+};
+
+const Footer = () => {
   return (
     <EuiThemeProvider colorMode="dark">
-      <footer css={styles.root}>
-        <EuiText textAlign="center" size="s" css={styles.text}>
-          EUI is dual-licensed under{' '}
-          <EuiLink href={ELASTIC_LICENSE_URL}>Elastic License 2.0</EuiLink>
-          {' and '}
-          <EuiLink href={SSPL_LICENSE_URL}>
-            Server Side Public License, v 1
-          </EuiLink>
-          {' | '}
-          Crafted with{' '}
-          <span role="img" aria-label="love" css={styles.heart}>
-            ❤
-          </span>{' '}
-          by <EuiLink href="https://elastic.co">Elastic</EuiLink>
-        </EuiText>
-      </footer>
+      <_Footer />
     </EuiThemeProvider>
   );
 };

packages/docusaurus-theme/src/theme/Root.tsx

@@ -20,6 +20,7 @@ import { useEuiTheme } from '@elastic/eui';
 import { AppThemeProvider } from '../components/theme_context';
 import { getGlobalStyles } from './Root.styles';
 import { getResetStyles } from './reset.styles';
+import { getInfimaStyles } from './infima.styles';
 
 const styles = {
   root: css`
@@ -34,6 +35,7 @@ const _Root: FunctionComponent<PropsWithChildren> = ({ children }) => {
   const euiTheme = useEuiTheme();
   const globalStyles = getGlobalStyles(euiTheme);
   const resetStyles = getResetStyles(euiTheme);
+  const infimaStyles = getInfimaStyles();
 
   // NOTE: This is a temp. solution
   // Emotion styles are loaded dynamically on client in contrast
@@ -55,7 +57,7 @@ const _Root: FunctionComponent<PropsWithChildren> = ({ children }) => {
           rel="stylesheet"
         />
       </Head>
-      <Global styles={[resetStyles, globalStyles]} />
+      <Global styles={[resetStyles, infimaStyles, globalStyles]} />
       <div style={!mounted ? { display: 'none' } : undefined} css={styles.root}>
         {children}
       </div>