Preset: Remove deprecated config preset

MIGRATION.md

@@ -42,6 +42,7 @@
     - [Web Components](#web-components)
       - [Dropping default babel plugins in Webpack5-based projects](#dropping-default-babel-plugins-in-webpack5-based-projects)
   - [Deprecations which are now removed](#deprecations-which-are-now-removed)
+    - [Removed `config` preset](#removed-config-preset)
     - [Removed `passArgsFirst` option](#removed-passargsfirst-option)
     - [Methods and properties from AddonStore](#methods-and-properties-from-addonstore)
     - [Methods and properties from PreviewAPI](#methods-and-properties-from-previewapi)
@@ -65,18 +66,20 @@
     - [`Primary` Doc block properties](#primary-doc-block-properties)
     - [`createChannel` from `@storybook/postmessage` and `@storybook/channel-websocket`](#createchannel-from-storybookpostmessage-and-storybookchannel-websocket)
     - [StoryStore and methods deprecated](#storystore-and-methods-deprecated)
+  - [Addon author changes](#addon-author-changes)
+    - [Removed `config` preset](#removed-config-preset-1)
 - [From version 7.5.0 to 7.6.0](#from-version-750-to-760)
-  - [CommonJS with Vite is deprecated](#commonjs-with-vite-is-deprecated)
-  - [Using implicit actions during rendering is deprecated](#using-implicit-actions-during-rendering-is-deprecated)
-  - [typescript.skipBabel deprecated](#typescriptskipbabel-deprecated)
-  - [Primary doc block accepts of prop](#primary-doc-block-accepts-of-prop)
-  - [Addons no longer need a peer dependency on React](#addons-no-longer-need-a-peer-dependency-on-react)
+    - [CommonJS with Vite is deprecated](#commonjs-with-vite-is-deprecated)
+    - [Using implicit actions during rendering is deprecated](#using-implicit-actions-during-rendering-is-deprecated)
+    - [typescript.skipBabel deprecated](#typescriptskipbabel-deprecated)
+    - [Primary doc block accepts of prop](#primary-doc-block-accepts-of-prop)
+    - [Addons no longer need a peer dependency on React](#addons-no-longer-need-a-peer-dependency-on-react)
 - [From version 7.4.0 to 7.5.0](#from-version-740-to-750)
-  - [`storyStoreV6` and `storiesOf` is deprecated](#storystorev6-and-storiesof-is-deprecated)
-  - [`storyIndexers` is replaced with `experimental_indexers`](#storyindexers-is-replaced-with-experimental_indexers)
+    - [`storyStoreV6` and `storiesOf` is deprecated](#storystorev6-and-storiesof-is-deprecated)
+    - [`storyIndexers` is replaced with `experimental_indexers`](#storyindexers-is-replaced-with-experimental_indexers)
 - [From version 7.0.0 to 7.2.0](#from-version-700-to-720)
-  - [Addon API is more type-strict](#addon-api-is-more-type-strict)
-  - [Addon-controls hideNoControlsWarning parameter is deprecated](#addon-controls-hidenocontrolswarning-parameter-is-deprecated)
+    - [Addon API is more type-strict](#addon-api-is-more-type-strict)
+    - [Addon-controls hideNoControlsWarning parameter is deprecated](#addon-controls-hidenocontrolswarning-parameter-is-deprecated)
 - [From version 6.5.x to 7.0.0](#from-version-65x-to-700)
   - [7.0 breaking changes](#70-breaking-changes)
     - [Dropped support for Node 15 and below](#dropped-support-for-node-15-and-below)
@@ -102,7 +105,7 @@
     - [Deploying build artifacts](#deploying-build-artifacts)
       - [Dropped support for file URLs](#dropped-support-for-file-urls)
       - [Serving with nginx](#serving-with-nginx)
-      - [Ignore story files from node_modules](#ignore-story-files-from-node_modules)
+      - [Ignore story files from node\_modules](#ignore-story-files-from-node_modules)
   - [7.0 Core changes](#70-core-changes)
     - [7.0 feature flags removed](#70-feature-flags-removed)
     - [Story context is prepared before for supporting fine grained updates](#story-context-is-prepared-before-for-supporting-fine-grained-updates)
@@ -115,7 +118,7 @@
     - [Addon-interactions: Interactions debugger is now default](#addon-interactions-interactions-debugger-is-now-default)
   - [7.0 Vite changes](#70-vite-changes)
     - [Vite builder uses Vite config automatically](#vite-builder-uses-vite-config-automatically)
-    - [Vite cache moved to node_modules/.cache/.vite-storybook](#vite-cache-moved-to-node_modulescachevite-storybook)
+    - [Vite cache moved to node\_modules/.cache/.vite-storybook](#vite-cache-moved-to-node_modulescachevite-storybook)
   - [7.0 Webpack changes](#70-webpack-changes)
     - [Webpack4 support discontinued](#webpack4-support-discontinued)
     - [Babel mode v7 exclusively](#babel-mode-v7-exclusively)
@@ -165,7 +168,7 @@
     - [Dropped addon-docs manual babel configuration](#dropped-addon-docs-manual-babel-configuration)
     - [Dropped addon-docs manual configuration](#dropped-addon-docs-manual-configuration)
     - [Autoplay in docs](#autoplay-in-docs)
-    - [Removed STORYBOOK_REACT_CLASSES global](#removed-storybook_react_classes-global)
+    - [Removed STORYBOOK\_REACT\_CLASSES global](#removed-storybook_react_classes-global)
   - [7.0 Deprecations and default changes](#70-deprecations-and-default-changes)
     - [storyStoreV7 enabled by default](#storystorev7-enabled-by-default)
     - [`Story` type deprecated](#story-type-deprecated)
@@ -800,6 +803,23 @@ Until the 8.0 release, Storybook provided the `@babel/preset-env` preset for Web
 
 ### Deprecations which are now removed
 
+#### Removed `config` preset
+
+In Storybook 7.0 we have deprecated the preset field `config` and it has been replaced with 'previewAnnotations'. The `config` preset is now completely removed in Storybook 8.0.
+
+```diff
+// .storybook/main.js
+
+// before
+const config = {
+  framework: "@storybook/your-framework",
+- config: (entries) => [...entries, yourEntry],
++ previewAnnotations: (entries) => [...entries, yourEntry],
+};
+
+export default config;
+```
+
 #### Removed `passArgsFirst` option
 
 Since Storybook 6, we have had an option called `parameters.passArgsFirst` (default=`true`), which sallows you to pass the context to the story function first when set to `false.` We have removed this option. In Storybook 8.0, the args are always passed first, and as a second argument, the context is passed.
@@ -1012,6 +1032,21 @@ In particular, the following methods on the `StoryStore` are deprecated and will
 
 Note that both these methods require initialization, so you should await `preview.ready()`.
 
+### Addon author changes
+
+#### Removed `config` preset
+
+In Storybook 7.0 we have deprecated the preset field `config` and it has been replaced with `previewAnnotations`. The `config` preset is now completely removed in Storybook 8.0.
+
+```diff
+// your-addon/preset.js
+
+module.exports = {
+-  config: (entries = []) => [...entries, ...yourEntry],
++  previewAnnotations: (entries = []) => [...entries, ...yourEntry],
+};
+```
+
 ## From version 7.5.0 to 7.6.0
 
 #### CommonJS with Vite is deprecated

code/lib/core-server/src/presets/common-preset.ts

@@ -1,5 +1,5 @@
 import fs, { pathExists, readFile } from 'fs-extra';
-import { deprecate, logger } from '@storybook/node-logger';
+import { logger } from '@storybook/node-logger';
 import { telemetry } from '@storybook/telemetry';
 import {
   findConfigFile,
@@ -173,18 +173,6 @@ export const core = async (existing: CoreConfig, options: Options): Promise<Core
     options.enableCrashReports || optionalEnvToBoolean(process.env.STORYBOOK_ENABLE_CRASH_REPORTS),
 });
 
-export const previewAnnotations = async (base: any, options: Options) => {
-  const config = await options.presets.apply('config', [], options);
-
-  if (config.length > 0) {
-    deprecate(
-      `You (or an addon) are using the 'config' preset field. This has been replaced by 'previewAnnotations' and will be removed in 8.0`
-    );
-  }
-
-  return [...config, ...base];
-};
-
 export const features: PresetProperty<'features'> = async (existing) => ({
   ...existing,
   argTypeTargetsV7: true,

code/lib/types/src/modules/core-common.ts

@@ -398,8 +398,6 @@ export interface StorybookConfigRaw {
   // We cannot use a particular Babel type here because we need to support a variety of versions
   babelDefault?: any;
 
-  config?: Entry[];
-
   previewAnnotations?: Entry[];
 
   experimental_indexers?: Indexer[];
@@ -483,13 +481,6 @@ export interface StorybookConfig {
    */
   babelDefault?: PresetValue<StorybookConfigRaw['babelDefault']>;
 
-  /**
-   * Add additional scripts to run in the preview a la `.storybook/preview.js`
-   *
-   * @deprecated use `previewAnnotations` or `/preview.js` file instead
-   */
-  config?: PresetValue<StorybookConfigRaw['config']>;
-
   /**
    * Add additional scripts to run in the preview a la `.storybook/preview.js`
    */