Enable CSS-in-JS styling with emotion

package.json

@@ -114,6 +114,7 @@
     "@elastic/safer-lodash-set": "link:bazel-bin/packages/elastic-safer-lodash-set",
     "@elastic/search-ui-app-search-connector": "^1.6.0",
     "@elastic/ui-ace": "0.2.3",
+    "@emotion/react": "^11.1.5",
     "@hapi/accept": "^5.0.2",
     "@hapi/boom": "^9.1.1",
     "@hapi/cookie": "^11.0.2",
@@ -454,6 +455,8 @@
     "@elastic/eslint-plugin-eui": "0.0.2",
     "@elastic/github-checks-reporter": "0.0.20b3",
     "@elastic/makelogs": "^6.0.0",
+    "@emotion/babel-preset-css-prop": "^11.2.0",
+    "@emotion/jest": "^11.2.0",
     "@istanbuljs/schema": "^0.1.2",
     "@jest/reporters": "^26.6.2",
     "@kbn/babel-code-parser": "link:bazel-bin/packages/kbn-babel-code-parser",

packages/elastic-eslint-config-kibana/.eslintrc.js

@@ -1,3 +1,5 @@
+const { USES_STYLED_COMPONENTS } = require('@kbn/dev-utils'); 
+
 module.exports = {
   extends: [
     './javascript.js',
@@ -79,7 +81,13 @@ module.exports = {
           from: 'react-intl',
           to: '@kbn/i18n/react',
           disallowedMessage: `import from @kbn/i18n/react instead`
-        }
+        },
+        {
+          from: 'styled-components',
+          to: false,
+          exclude: USES_STYLED_COMPONENTS,
+          disallowedMessage: `Prefer using @emotion/react instead. To use styled-components, ensure you plugin is enabled in @kbn/dev-utils/src/babel.ts.`
+        },
       ],
     ],
   },

packages/kbn-babel-preset/BUILD.bazel

@@ -32,6 +32,7 @@ DEPS = [
   "@npm//@babel/preset-env",
   "@npm//@babel/preset-react",
   "@npm//@babel/preset-typescript",
+  "@npm//@emotion/babel-preset-css-prop",
   "@npm//babel-plugin-add-module-exports",
   "@npm//babel-plugin-styled-components",
   "@npm//babel-plugin-transform-react-remove-prop-types",

packages/kbn-babel-preset/webpack_preset.js

@@ -6,6 +6,8 @@
  * Side Public License, v 1.
  */
 
+const { USES_STYLED_COMPONENTS } = require.resolve('@kbn/dev-utils');
+
 module.exports = () => {
   return {
     presets: [
@@ -21,14 +23,6 @@ module.exports = () => {
       ],
       require('./common_preset'),
     ],
-    plugins: [
-      [
-        require.resolve('babel-plugin-styled-components'),
-        {
-          fileName: false,
-        },
-      ],
-    ],
     env: {
       production: {
         plugins: [
@@ -42,5 +36,29 @@ module.exports = () => {
         ],
       },
     },
+    overrides: [
+      {
+        include: USES_STYLED_COMPONENTS,
+        plugins: [
+          [
+            require.resolve('babel-plugin-styled-components'),
+            {
+              fileName: false,
+            },
+          ],
+        ],
+      },
+      {
+        exclude: USES_STYLED_COMPONENTS,
+        presets: [
+          [
+            require.resolve('@emotion/babel-preset-css-prop'),
+            {
+              labelFormat: '[local]',
+            },
+          ],
+        ],
+      },
+    ],
   };
 };

packages/kbn-crypto/BUILD.bazel

@@ -38,7 +38,8 @@ TYPES_DEPS = [
   "@npm//@types/node",
   "@npm//@types/node-forge",
   "@npm//@types/testing-library__jest-dom",
-  "@npm//resize-observer-polyfill"
+  "@npm//resize-observer-polyfill",
+  "@npm//@emotion/react",
 ]
 
 DEPS = SRC_DEPS + TYPES_DEPS

packages/kbn-dev-utils/src/babel.ts

@@ -46,3 +46,14 @@ export async function transformFileWithBabel(file: File) {
   file.extname = '.js';
   transformedFiles.add(file);
 }
+
+/**
+ * Synchronized regex list of files that use `styled-components`.
+ * Used by `kbn-babel-preset` and `elastic-eslint-config-kibana`.
+ */
+export const USES_STYLED_COMPONENTS = [
+  /packages[\/\\]kbn-ui-shared-deps[\/\\]/,
+  /src[\/\\]plugins[\/\\](data|kibana_react)[\/\\]/,
+  /x-pack[\/\\]plugins[\/\\](apm|beats_management|cases|fleet|infra|lists|observability|osquery|security_solution|timelines|uptime)[\/\\]/,
+  /x-pack[\/\\]test[\/\\]plugin_functional[\/\\]plugins[\/\\]resolver_test[\/\\]/,
+];

packages/kbn-eslint-plugin-eslint/rules/module_migration.js

@@ -78,6 +78,12 @@ module.exports = {
             disallowedMessage: {
               type: 'string',
             },
+            include: {
+              type: 'array',
+            },
+            exclude: {
+              type: 'array',
+            },
           },
           anyOf: [
             {
@@ -95,7 +101,22 @@ module.exports = {
     ],
   },
   create: (context) => {
-    const mappings = context.options[0];
+    const filename = path.relative(KIBANA_ROOT, context.getFilename());
+
+    const mappings = context.options[0].filter((mapping) => {
+      // exclude mapping rule if it is explicitly excluded from this file
+      if (mapping.exclude && mapping.exclude.some((p) => p.test(filename))) {
+        return false;
+      }
+
+      // if this mapping rule is only included in specific files, optionally include it
+      if (mapping.include) {
+        return mapping.include.some((p) => p.test(filename));
+      }
+
+      // include all mapping rules by default
+      return true;
+    });
 
     return {
       ImportDeclaration(node) {

packages/kbn-storybook/lib/default_config.ts

@@ -6,8 +6,11 @@
  * Side Public License, v 1.
  */
 
+import * as path from 'path';
 import { StorybookConfig } from '@storybook/core/types';
+import { REPO_ROOT } from './constants';
 
+const toPath = (_path: string) => path.join(REPO_ROOT, _path);
 export const defaultConfig: StorybookConfig = {
   addons: ['@kbn/storybook/preset', '@storybook/addon-a11y', '@storybook/addon-essentials'],
   stories: ['../**/*.stories.tsx'],
@@ -22,6 +25,21 @@ export const defaultConfig: StorybookConfig = {
 
     config.node = { fs: 'empty' };
 
-    return config;
+    // Remove when @storybook has moved to @emotion v11
+    // https://github.com/storybookjs/storybook/issues/13145
+    const emotion11CompatibleConfig = {
+      ...config,
+      resolve: {
+        ...config.resolve,
+        alias: {
+          ...config.resolve?.alias,
+          '@emotion/core': toPath('node_modules/@emotion/react'),
+          '@emotion/styled': toPath('node_modules/@emotion/styled'),
+          'emotion-theming': toPath('node_modules/@emotion/react'),
+        },
+      },
+    };
+
+    return emotion11CompatibleConfig;
   },
 };

packages/kbn-storybook/lib/theme_switcher.tsx

@@ -54,6 +54,7 @@ export function ThemeSwitcher() {
       closeOnClick
       tooltip={({ onHide }) => <Menu onHide={onHide} />}
     >
+      {/* @ts-ignore Remove when @storybook has moved to @emotion v11 */}
       <IconButton key="eui-theme" title="Change the EUI theme">
         <Icons icon={selectedTheme?.includes('dark') ? 'heart' : 'hearthollow'} />
       </IconButton>

packages/kbn-telemetry-tools/BUILD.bazel

@@ -47,7 +47,8 @@ TYPES_DEPS = [
   "@npm//@types/node",
   "@npm//@types/normalize-path",
   "@npm//@types/testing-library__jest-dom",
-  "@npm//resize-observer-polyfill"
+  "@npm//resize-observer-polyfill",
+  "@npm//@emotion/react",
 ]
 
 DEPS = SRC_DEPS + TYPES_DEPS

packages/kbn-test/jest-preset.js

@@ -66,6 +66,7 @@ module.exports = {
   snapshotSerializers: [
     '<rootDir>/src/plugins/kibana_react/public/util/test_helpers/react_mount_serializer.ts',
     '<rootDir>/node_modules/enzyme-to-json/serializer',
+    '<rootDir>/node_modules/@emotion/jest/serializer',
   ],
 
   // The test environment that will be used for testing

packages/kbn-ui-shared-deps/BUILD.bazel

@@ -40,6 +40,7 @@ SRC_DEPS = [
   "@npm//@elastic/charts",
   "@npm//@elastic/eui",
   "@npm//@elastic/numeral",
+  "@npm//@emotion/react",
   "@npm//abortcontroller-polyfill",
   "@npm//angular",
   "@npm//babel-loader",

packages/kbn-ui-shared-deps/src/entry.js

@@ -18,6 +18,7 @@ export const KbnI18n = require('@kbn/i18n');
 export const KbnI18nAngular = require('@kbn/i18n/angular');
 export const KbnI18nReact = require('@kbn/i18n/react');
 export const Angular = require('angular');
+export const EmotionReact = require('@emotion/react');
 export const Moment = require('moment');
 export const MomentTimezone = require('moment-timezone/moment-timezone');
 export const KbnMonaco = require('@kbn/monaco');

packages/kbn-ui-shared-deps/src/index.js

@@ -57,6 +57,7 @@ exports.externals = {
   '@kbn/i18n': '__kbnSharedDeps__.KbnI18n',
   '@kbn/i18n/angular': '__kbnSharedDeps__.KbnI18nAngular',
   '@kbn/i18n/react': '__kbnSharedDeps__.KbnI18nReact',
+  '@emotion/react': '__kbnSharedDeps__.EmotionReact',
   jquery: '__kbnSharedDeps__.Jquery',
   moment: '__kbnSharedDeps__.Moment',
   'moment-timezone': '__kbnSharedDeps__.MomentTimezone',

src/plugins/data/public/public.api.md

@@ -17,7 +17,6 @@ import { CoreSetup } from 'src/core/public';
 import { CoreSetup as CoreSetup_2 } from 'kibana/public';
 import { CoreStart } from 'kibana/public';
 import { CoreStart as CoreStart_2 } from 'src/core/public';
-import * as CSS from 'csstype';
 import { Datatable as Datatable_2 } from 'src/plugins/expressions';
 import { Datatable as Datatable_3 } from 'src/plugins/expressions/common';
 import { DatatableColumn as DatatableColumn_2 } from 'src/plugins/expressions';
@@ -72,13 +71,12 @@ import { Plugin } from 'src/core/public';
 import { PluginInitializerContext as PluginInitializerContext_2 } from 'src/core/public';
 import { PluginInitializerContext as PluginInitializerContext_3 } from 'kibana/public';
 import { PopoverAnchorPosition } from '@elastic/eui';
-import * as PropTypes from 'prop-types';
 import { PublicContract } from '@kbn/utility-types';
 import { PublicMethodsOf } from '@kbn/utility-types';
 import { PublicUiSettingsParams } from 'src/core/server/types';
 import { RangeFilter as RangeFilter_2 } from 'src/plugins/data/public';
 import React from 'react';
-import * as React_3 from 'react';
+import * as React_2 from 'react';
 import { RecursiveReadonly } from '@kbn/utility-types';
 import { Request as Request_2 } from '@hapi/hapi';
 import { RequestAdapter } from 'src/plugins/inspector/common';

src/plugins/embeddable/public/public.api.md

@@ -11,7 +11,6 @@ import { ApiResponse } from '@elastic/elasticsearch/lib/Transport';
 import { ApplicationStart as ApplicationStart_2 } from 'kibana/public';
 import Boom from '@hapi/boom';
 import { ConfigDeprecationProvider } from '@kbn/config';
-import * as CSS from 'csstype';
 import { DetailedPeerCertificate } from 'tls';
 import { EmbeddableStart as EmbeddableStart_2 } from 'src/plugins/embeddable/public/plugin';
 import { EnvironmentMode } from '@kbn/config';
@@ -44,7 +43,6 @@ import { PackageInfo } from '@kbn/config';
 import { Path } from 'history';
 import { PeerCertificate } from 'tls';
 import { PluginInitializerContext } from 'src/core/public';
-import * as PropTypes from 'prop-types';
 import { PublicMethodsOf } from '@kbn/utility-types';
 import { PublicUiSettingsParams } from 'src/core/server/types';
 import React from 'react';
@@ -95,8 +93,7 @@ export interface Adapters {
 //
 // @public (undocumented)
 export class AddPanelAction implements Action_3<ActionContext_2> {
-    // Warning: (ae-forgotten-export) The symbol "React" needs to be exported by the entry point index.d.ts
-    constructor(getFactory: EmbeddableStart_2['getEmbeddableFactory'], getAllFactories: EmbeddableStart_2['getEmbeddableFactories'], overlays: OverlayStart_2, notifications: NotificationsStart_2, SavedObjectFinder: React_2.ComponentType<any>, reportUiCounter?: ((appName: string, type: import("@kbn/analytics").UiCounterMetricType, eventNames: string | string[], count?: number | undefined) => void) | undefined);
+    constructor(getFactory: EmbeddableStart_2['getEmbeddableFactory'], getAllFactories: EmbeddableStart_2['getEmbeddableFactories'], overlays: OverlayStart_2, notifications: NotificationsStart_2, SavedObjectFinder: React.ComponentType<any>, reportUiCounter?: ((appName: string, type: import("@kbn/analytics").UiCounterMetricType, eventNames: string | string[], count?: number | undefined) => void) | undefined);
     // (undocumented)
     execute(context: ActionExecutionContext_2<ActionContext_2>): Promise<void>;
     // (undocumented)

test/plugin_functional/plugins/kbn_tp_custom_visualizations/tsconfig.json

@@ -6,7 +6,8 @@
     "types": [
       "node",
       "jest",
-      "react"
+      "react",
+      "@emotion/react/types/css-prop"
     ]
   },
   "include": [

test/tsconfig.json

@@ -6,7 +6,7 @@
     "emitDeclarationOnly": true,
     "declaration": true,
     "declarationMap": true,
-    "types": ["node", "resize-observer-polyfill"]
+    "types": ["node", "resize-observer-polyfill", "@emotion/react/types/css-prop"]
   },
   "include": [
     "**/*",