Remove legacy optimizer

docs/setup/install/deb.asciidoc

@@ -214,12 +214,6 @@ locations for a Debian-based system:
     |  /var/log/kibana
     | path.logs
 
-| optimize
-  | Transpiled source code. Certain administrative actions (e.g. plugin install)
-    result in the source code being retranspiled on the fly.
-  | /var/lib/kibana/optimize
- d|
-
 | plugins
   | Plugin files location. Each plugin will be contained in a subdirectory.
   | /usr/share/kibana/plugins

docs/setup/install/rpm.asciidoc

@@ -206,12 +206,6 @@ locations for an RPM-based system:
     |  /var/log/kibana
     | path.logs
 
-| optimize
-  | Transpiled source code. Certain administrative actions (e.g. plugin install)
-    result in the source code being retranspiled on the fly.
-  | /var/lib/kibana/optimize
- d|
-
 | plugins
   | Plugin files location. Each plugin will be contained in a subdirectory.
   | /usr/share/kibana/plugins

docs/setup/install/targz.asciidoc

@@ -149,12 +149,6 @@ important data later on.
   | $KIBANA_HOME\data
  d|
 
-| optimize
-  | Transpiled source code. Certain administrative actions (e.g. plugin install)
-    result in the source code being retranspiled on the fly.
-  | $KIBANA_HOME\data\optimize
- d|
-
 | plugins
   | Plugin files location. Each plugin will be contained in a subdirectory.
   | $KIBANA_HOME\plugins

docs/setup/install/windows.asciidoc

@@ -96,12 +96,6 @@ important data later on.
   | $KIBANA_HOME\data
  d|
 
-| optimize
-  | Transpiled source code. Certain administrative actions (e.g. plugin install)
-    result in the source code being retranspiled on the fly.
-  | $KIBANA_HOME\data\optimize
- d|
-
 | plugins
   | Plugin files location. Each plugin will be contained in a subdirectory.
   | $KIBANA_HOME\plugins

package.json

@@ -118,7 +118,6 @@
   },
   "dependencies": {
     "@babel/core": "^7.10.2",
-    "@babel/plugin-transform-modules-commonjs": "^7.10.1",
     "@babel/register": "^7.10.1",
     "@elastic/apm-rum": "^5.2.0",
     "@elastic/charts": "19.8.1",
@@ -154,21 +153,17 @@
     "angular-route": "^1.7.9",
     "angular-sanitize": "^1.7.9",
     "angular-sortable-view": "^0.0.17",
-    "autoprefixer": "^9.7.4",
-    "babel-loader": "^8.0.6",
     "bluebird": "3.5.5",
     "boom": "^7.2.0",
     "brace": "0.11.1",
     "browserslist-useragent": "^3.0.2",
-    "cache-loader": "^4.1.0",
     "chalk": "^2.4.2",
     "check-disk-space": "^2.1.0",
     "chokidar": "3.2.1",
     "color": "1.0.3",
     "commander": "3.0.2",
     "compare-versions": "3.5.1",
     "core-js": "^3.6.4",
-    "css-loader": "^3.4.2",
     "d3": "3.5.17",
     "d3-cloud": "1.2.5",
     "deep-freeze-strict": "^1.1.1",
@@ -180,7 +175,6 @@
     "execa": "^4.0.2",
     "expiry-js": "0.1.7",
     "fast-deep-equal": "^3.1.1",
-    "file-loader": "4.2.0",
     "font-awesome": "4.7.0",
     "fp-ts": "^2.3.1",
     "getos": "^3.1.0",
@@ -212,11 +206,9 @@
     "leaflet-vega": "^0.8.6",
     "leaflet.heat": "0.2.0",
     "less": "npm:@elastic/less@2.7.3-kibana",
-    "less-loader": "5.0.0",
     "lodash": "^4.17.15",
     "lru-cache": "4.1.5",
     "markdown-it": "^10.0.0",
-    "mini-css-extract-plugin": "0.8.0",
     "minimatch": "^3.0.4",
     "moment": "^2.24.0",
     "moment-timezone": "^0.5.27",
@@ -228,12 +220,10 @@
     "opn": "^5.5.0",
     "oppsy": "^2.0.0",
     "pegjs": "0.10.0",
-    "postcss-loader": "^3.0.0",
     "prop-types": "15.6.0",
     "proxy-from-env": "1.0.0",
     "pug": "^2.0.4",
     "query-string": "5.1.1",
-    "raw-loader": "3.1.0",
     "re2": "^1.15.4",
     "react": "^16.12.0",
     "react-color": "^2.13.8",
@@ -259,34 +249,25 @@
     "resize-observer-polyfill": "^1.5.0",
     "rison-node": "1.0.2",
     "rxjs": "^6.5.5",
-    "script-loader": "0.7.2",
     "seedrandom": "^3.0.5",
     "semver": "^5.5.0",
     "style-it": "^2.1.3",
-    "style-loader": "^1.1.3",
     "symbol-observable": "^1.2.0",
     "tar": "4.4.13",
-    "terser-webpack-plugin": "^2.3.4",
-    "thread-loader": "^2.1.3",
     "tinygradient": "0.4.3",
     "tinymath": "1.2.1",
     "topojson-client": "3.0.0",
     "tslib": "^2.0.0",
     "type-detect": "^4.0.8",
     "ui-select": "0.19.8",
-    "url-loader": "2.2.0",
     "uuid": "3.3.2",
-    "val-loader": "^1.1.1",
     "validate-npm-package-name": "2.2.2",
     "vega": "^5.13.0",
     "vega-lite": "^4.13.1",
     "vega-schema-url-parser": "^1.1.0",
     "vega-tooltip": "^0.12.0",
     "vision": "^5.3.3",
-    "webpack": "^4.41.5",
-    "webpack-merge": "4.2.2",
     "whatwg-fetch": "^3.0.0",
-    "wrapper-webpack-plugin": "^2.1.0",
     "yauzl": "2.10.0"
   },
   "devDependencies": {
@@ -452,8 +433,6 @@
     "has-ansi": "^3.0.0",
     "iedriver": "^3.14.2",
     "intl-messageformat-parser": "^1.4.0",
-    "is-path-inside": "^2.1.0",
-    "istanbul-instrumenter-loader": "3.0.1",
     "jest": "^25.5.4",
     "jest-canvas-mock": "^2.2.0",
     "jest-circus": "^25.5.4",
@@ -474,14 +453,12 @@
     "murmurhash3js": "3.0.1",
     "mutation-observer": "^1.0.3",
     "nock": "12.0.3",
-    "node-sass": "^4.13.1",
     "normalize-path": "^3.0.0",
     "nyc": "^15.0.1",
     "pixelmatch": "^5.1.0",
     "pkg-up": "^2.0.0",
     "pngjs": "^3.4.0",
     "postcss": "^7.0.32",
-    "postcss-url": "^8.0.0",
     "prettier": "^2.0.5",
     "proxyquire": "1.8.0",
     "react-popper-tooltip": "^2.10.1",

packages/eslint-config-kibana/package.json

@@ -28,6 +28,6 @@
     "eslint-plugin-no-unsanitized": "^3.0.2",
     "eslint-plugin-prefer-object-spread": "^1.2.1",
     "eslint-plugin-react": "^7.17.0",
-    "eslint-plugin-react-hooks": "^2.3.0"
+    "eslint-plugin-react-hooks": "^4.0.4"
   }
 }

packages/kbn-babel-preset/package.json

@@ -16,6 +16,8 @@
     "babel-plugin-filter-imports": "^3.0.0",
     "babel-plugin-styled-components": "^1.10.7",
     "babel-plugin-transform-define": "^1.3.1",
-    "babel-plugin-transform-imports": "^2.0.0"
+    "babel-plugin-transform-imports": "^2.0.0",
+    "react-is": "^16.8.0",
+    "styled-components": "^5.1.0"
   }
 }

packages/kbn-dev-utils/src/serializers/absolute_path_serializer.ts

@@ -19,9 +19,12 @@
 
 import { REPO_ROOT } from '../repo_root';
 
-export function createAbsolutePathSerializer(rootPath: string = REPO_ROOT) {
+export function createAbsolutePathSerializer(
+  rootPath: string = REPO_ROOT,
+  replacement = '<absolute path>'
+) {
   return {
     test: (value: any) => typeof value === 'string' && value.startsWith(rootPath),
-    serialize: (value: string) => value.replace(rootPath, '<absolute path>').replace(/\\/g, '/'),
+    serialize: (value: string) => value.replace(rootPath, replacement).replace(/\\/g, '/'),
   };
 }

packages/kbn-optimizer/src/common/bundle_cache.ts

@@ -104,4 +104,18 @@ export class BundleCache {
   public getOptimizerCacheKey() {
     return this.get().optimizerCacheKey;
   }
+
+  public clear() {
+    this.state = undefined;
+
+    if (this.path) {
+      try {
+        Fs.unlinkSync(this.path);
+      } catch (error) {
+        if (error.code !== 'ENOENT') {
+          throw error;
+        }
+      }
+    }
+  }
 }

packages/kbn-optimizer/src/optimizer/get_plugin_bundles.test.ts

@@ -21,7 +21,9 @@ import { createAbsolutePathSerializer } from '@kbn/dev-utils';
 
 import { getPluginBundles } from './get_plugin_bundles';
 
-expect.addSnapshotSerializer(createAbsolutePathSerializer('/repo'));
+expect.addSnapshotSerializer(createAbsolutePathSerializer('/repo', '<repoRoot>'));
+expect.addSnapshotSerializer(createAbsolutePathSerializer('/output', '<outputRoot>'));
+expect.addSnapshotSerializer(createAbsolutePathSerializer('/outside/of/repo', '<outsideOfRepo>'));
 
 it('returns a bundle for core and each plugin', () => {
   expect(
@@ -56,46 +58,47 @@ it('returns a bundle for core and each plugin', () => {
           manifestPath: '/repo/x-pack/plugins/box/kibana.json',
         },
       ],
-      '/repo'
+      '/repo',
+      '/output'
     ).map((b) => b.toSpec())
   ).toMatchInlineSnapshot(`
     Array [
       Object {
         "banner": undefined,
-        "contextDir": <absolute path>/plugins/foo,
+        "contextDir": <repoRoot>/plugins/foo,
         "id": "foo",
-        "manifestPath": <absolute path>/plugins/foo/kibana.json,
-        "outputDir": <absolute path>/plugins/foo/target/public,
+        "manifestPath": <repoRoot>/plugins/foo/kibana.json,
+        "outputDir": <outputRoot>/plugins/foo/target/public,
         "publicDirNames": Array [
           "public",
         ],
-        "sourceRoot": <absolute path>,
+        "sourceRoot": <repoRoot>,
         "type": "plugin",
       },
       Object {
         "banner": undefined,
-        "contextDir": "/outside/of/repo/plugins/baz",
+        "contextDir": <outsideOfRepo>/plugins/baz,
         "id": "baz",
-        "manifestPath": "/outside/of/repo/plugins/baz/kibana.json",
-        "outputDir": "/outside/of/repo/plugins/baz/target/public",
+        "manifestPath": <outsideOfRepo>/plugins/baz/kibana.json,
+        "outputDir": <outsideOfRepo>/plugins/baz/target/public,
         "publicDirNames": Array [
           "public",
         ],
-        "sourceRoot": <absolute path>,
+        "sourceRoot": <repoRoot>,
         "type": "plugin",
       },
       Object {
         "banner": "/*! Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one or more contributor license agreements.
      * Licensed under the Elastic License; you may not use this file except in compliance with the Elastic License. */
     ",
-        "contextDir": <absolute path>/x-pack/plugins/box,
+        "contextDir": <repoRoot>/x-pack/plugins/box,
         "id": "box",
-        "manifestPath": <absolute path>/x-pack/plugins/box/kibana.json,
-        "outputDir": <absolute path>/x-pack/plugins/box/target/public,
+        "manifestPath": <repoRoot>/x-pack/plugins/box/kibana.json,
+        "outputDir": <outputRoot>/x-pack/plugins/box/target/public,
         "publicDirNames": Array [
           "public",
         ],
-        "sourceRoot": <absolute path>,
+        "sourceRoot": <repoRoot>,
         "type": "plugin",
       },
     ]

packages/kbn-optimizer/src/optimizer/get_plugin_bundles.ts

@@ -23,7 +23,11 @@ import { Bundle } from '../common';
 
 import { KibanaPlatformPlugin } from './kibana_platform_plugins';
 
-export function getPluginBundles(plugins: KibanaPlatformPlugin[], repoRoot: string) {
+export function getPluginBundles(
+  plugins: KibanaPlatformPlugin[],
+  repoRoot: string,
+  outputRoot: string
+) {
   const xpackDirSlash = Path.resolve(repoRoot, 'x-pack') + Path.sep;
 
   return plugins
@@ -36,7 +40,11 @@ export function getPluginBundles(plugins: KibanaPlatformPlugin[], repoRoot: stri
           publicDirNames: ['public', ...p.extraPublicDirs],
           sourceRoot: repoRoot,
           contextDir: p.directory,
-          outputDir: Path.resolve(p.directory, 'target/public'),
+          outputDir: Path.resolve(
+            outputRoot,
+            Path.relative(repoRoot, p.directory),
+            'target/public'
+          ),
           manifestPath: p.manifestPath,
           banner: p.directory.startsWith(xpackDirSlash)
             ? `/*! Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one or more contributor license agreements.\n` +