fix(cli): respect null examples when generating OpenAPI -> IR (#5296)

* Respect null examples.

* Exclusively filter in optional case; attach updated snapshots.

* Update cli rc version.

* chore: update changelog

---------

Co-authored-by: fern-bot <fern-bot@users.noreply.github.com>

fern/pages/changelogs/cli/2024-11-29.mdx

@@ -0,0 +1,4 @@
+## 0.45.1-rc0
+**`(fix):`** Generate valid examples using spec validation information; respect `null` entries during example generation.
+
+

packages/cli/api-importers/openapi/openapi-ir-parser/src/schema/examples/ExampleTypeFactory.ts

@@ -125,6 +125,9 @@ export class ExampleTypeFactory {
                 ) {
                     return undefined;
                 }
+                if (Object.is(example, null)) {
+                    return undefined;
+                }
                 const result = this.buildExampleHelper({
                     schema: schema.value,
                     visitedSchemaIds,

packages/cli/api-importers/openapi/openapi-ir-to-fern-tests/src/__test__/__snapshots__/openapi-docs/ntropy.json

@@ -9468,10 +9468,6 @@ enriched = sdk.transactions.create([
                               },
                             ],
                           },
-                          "error": {
-                            "code": "account_holder_not_found",
-                            "message": "message",
-                          },
                           "id": "xbx8YP14g565Xk",
                           "location": {
                             "raw_address": "Nw 43rd Street 5480, Gainesville, Florida 32653, US",
@@ -9969,9 +9965,6 @@ service:
                       google_maps_url: >-
                         https://www.google.com/maps/search/?api=1&query=29.704558,-82.389277
                       apple_maps_url: https://maps.apple.com/?q=29.704558,-82.389277
-                  error:
-                    code: account_holder_not_found
-                    message: message
                   created_at: '2024-03-30T00:00:00Z'
                   id: xbx8YP14g565Xk
           code-samples:

packages/cli/api-importers/openapi/openapi-ir-to-fern-tests/src/__test__/__snapshots__/openapi-docs/uploadcare.json

@@ -3440,7 +3440,6 @@ Log.d("TAG", group.toString())
                     "body": {
                       "cdn_url": "https://ucarecdn.com/0d712319-b970-4602-850c-bae1ced521a6~1/",
                       "datetime_created": "2018-09-12T10:03:38Z",
-                      "datetime_stored": "2024-01-15T09:30:00Z",
                       "files": [
                         {
                           "content_info": {
@@ -3642,7 +3641,6 @@ Log.d("TAG", group.toString())
                     "body": {
                       "cdn_url": "https://ucarecdn.com/0d712319-b970-4602-850c-bae1ced521a6~1/",
                       "datetime_created": "2018-09-12T10:03:38Z",
-                      "datetime_stored": "2024-01-15T09:30:00Z",
                       "files": [
                         {
                           "content_info": {
@@ -3800,7 +3798,6 @@ service:
             body:
               id: 0d712319-b970-4602-850c-bae1ced521a6~1
               datetime_created: '2018-09-12T10:03:38Z'
-              datetime_stored: '2024-01-15T09:30:00Z'
               files_count: 1
               cdn_url: https://ucarecdn.com/0d712319-b970-4602-850c-bae1ced521a6~1/
               url: >-
@@ -3982,7 +3979,6 @@ service:
             body:
               id: 0d712319-b970-4602-850c-bae1ced521a6~1
               datetime_created: '2018-09-12T10:03:38Z'
-              datetime_stored: '2024-01-15T09:30:00Z'
               files_count: 1
               cdn_url: https://ucarecdn.com/0d712319-b970-4602-850c-bae1ced521a6~1/
               url: >-

packages/cli/api-importers/openapi/openapi-ir-to-fern-tests/src/__test__/__snapshots__/openapi-docs/valtown.json

@@ -3323,7 +3323,6 @@ docs: Search
                         "columns": [
                           "id",
                         ],
-                        "lastInsertRowid": "lastInsertRowid",
                         "rows": [
                           [
                             1,
@@ -3694,7 +3693,6 @@ service:
                 rows:
                   - - 1
                 rowsAffected: 0
-                lastInsertRowid: lastInsertRowid
   source:
     openapi: ../openapi.yml
   display-name: sqlite