[docs-utils] remove extra api_docs dir (#148658)

In order to avoid searching the `api_docs` directory at the root of the
repo in VSCode we have to exclude all api_docs dirs from search, so
instead of putting the source of the code that generates the api_docs in
a similarly named dir this just removes that wrapper.

dev_docs/contributing/documentation.mdx

@@ -171,7 +171,7 @@ There are three great ways to debug issues with the API infrastructure.
 
 1. Write a test
 
-[api_doc_suite.test.ts](https://github.com/elastic/kibana/blob/main/packages/kbn-docs-utils/src/api_docs/tests/api_doc_suite.test.ts) is a pretty comprehensive test suite that builds the test docs inside the [**fixtures** folder](https://github.com/elastic/kibana/tree/main/packages/kbn-docs-utils/src/api_docs/tests/__fixtures__/src).
+[api_doc_suite.test.ts](https://github.com/elastic/kibana/blob/main/packages/kbn-docs-utils/src/tests/api_doc_suite.test.ts) is a pretty comprehensive test suite that builds the test docs inside the [**fixtures** folder](https://github.com/elastic/kibana/tree/main/packages/kbn-docs-utils/src/tests/__fixtures__/src).
 
 Edit the code inside `__fixtures__` to replicate the bug, write a test to track what should happen, then run `yarn jest api_doc_suite`.
 

packages/kbn-docs-utils/index.ts

@@ -6,4 +6,4 @@
  * Side Public License, v 1.
  */
 
-export { runBuildApiDocsCli } from './src/api_docs';
+export { runBuildApiDocsCli } from './src';

packages/kbn-docs-utils/src/build_api_declarations/extract_import_refs.test.ts

@@ -135,7 +135,7 @@ it('test full file imports with a matching plugin', () => {
         "pluginId": "pluginA",
         "scope": "public",
         "section": undefined,
-        "text": "packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_a/public/foo/index",
+        "text": "packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_a/public/foo/index",
       },
       " something",
     ]

packages/kbn-docs-utils/src/integration_tests/snapshots/plugin_a_foo.devdocs.json

@@ -13,7 +13,7 @@
         "signature": [
           "() => void"
         ],
-        "path": "packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_a/public/foo/index.ts",
+        "path": "packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_a/public/foo/index.ts",
         "deprecated": false,
         "trackAdoption": false,
         "children": [],
@@ -34,7 +34,7 @@
         "signature": [
           "() => \"foo\""
         ],
-        "path": "packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_a/public/foo/index.ts",
+        "path": "packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_a/public/foo/index.ts",
         "deprecated": false,
         "trackAdoption": false,
         "returnComment": [],
@@ -68,7 +68,7 @@
         "signature": [
           "\"COMMON VAR!\""
         ],
-        "path": "packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_a/common/foo/index.ts",
+        "path": "packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_a/common/foo/index.ts",
         "deprecated": false,
         "trackAdoption": false,
         "initialIsOpen": false

packages/kbn-docs-utils/src/integration_tests/snapshots/plugin_b.devdocs.json

@@ -29,7 +29,7 @@
           },
           "<any>"
         ],
-        "path": "packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_b/public/index.ts",
+        "path": "packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_b/public/index.ts",
         "deprecated": false,
         "trackAdoption": false,
         "children": [
@@ -50,7 +50,7 @@
               },
               "<any>"
             ],
-            "path": "packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_b/public/index.ts",
+            "path": "packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_b/public/index.ts",
             "deprecated": false,
             "trackAdoption": false,
             "isRequired": true

packages/kbn-docs-utils/src/utils.test.ts

@@ -9,6 +9,7 @@
 import { ToolingLog } from '@kbn/tooling-log';
 import Path from 'path';
 import { Project } from 'ts-morph';
+import { REPO_ROOT } from '@kbn/repo-info';
 import { findPlugins } from './find_plugins';
 import { getPluginApi } from './get_plugin_api';
 import { getKibanaPlatformPlugin } from './integration_tests/kibana_platform_plugin_mock';
@@ -26,7 +27,7 @@ it('getFileName', () => {
 
 it('test getPluginForPath', () => {
   const plugins = findPlugins();
-  const path = Path.resolve(__dirname, '../../../../src/plugins/embeddable/public/service/file.ts');
+  const path = Path.resolve(REPO_ROOT, 'src/plugins/embeddable/public/service/file.ts');
   expect(getPluginForPath(path, plugins)).toBeDefined();
 });
 
@@ -53,8 +54,8 @@ it('test getServiceForPath', () => {
 
   expect(
     getServiceForPath(
-      '/var/lib/jenkins/workspace/elastic+kibana+pipeline-pull-request/kibana/packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_a/public/foo/index',
+      '/var/lib/jenkins/workspace/elastic+kibana+pipeline-pull-request/kibana/packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_a/public/foo/index',
-      '/var/lib/jenkins/workspace/elastic+kibana+pipeline-pull-request/kibana/packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/plugin_a'
+      '/var/lib/jenkins/workspace/elastic+kibana+pipeline-pull-request/kibana/packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/plugin_a'
     )
   ).toBe('foo');
 });

packages/kbn-ts-projects/ts_projects.ts

@@ -12,7 +12,7 @@ export const TS_PROJECTS = TsProject.loadAll({
   /** Array of repo-relative paths to projects which should be ignored and not treated as a TS project in the repo */
   ignore: [
     'x-pack/plugins/apm/scripts/optimize_tsconfig/tsconfig.json',
-    'packages/kbn-docs-utils/src/api_docs/integration_tests/__fixtures__/src/**/*',
+    'packages/kbn-docs-utils/src/integration_tests/__fixtures__/src/**/*',
   ],
 
   /** Array of repo-relative paths to projects which should have their type-check disabled */