fix: add additional types to binary body endpoints (#481)

Fixes octokit/octokit.js#2904

* remove GHES 3.19 for now

It needs to be manually published, since OIDC is still in it's infancy and needs to be declared per package. Which means that new packages cannot be published from CI

---------

Co-authored-by: wolfy1339 <webmaster@wolfy1339.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -8,9 +8,9 @@
   "license": "MIT",
   "type": "module",
   "scripts": {
-    "download": "node scripts/download",
-    "generate-types": "node scripts/generate-types",
-    "update-package": "node scripts/update-package",
+    "download": "node scripts/download.js",
+    "generate-types": "node scripts/generate-types.js",
+    "update-package": "node scripts/update-package.js",
     "lint": "prettier --check '*.{md,json}' 'scripts/*.js' 'packages/**/*.{ts,md,json,d.ts}'",
     "lint:fix": "prettier --write '*.{md,json}' 'scripts/*.js' 'packages/**/*.{ts,md,json,d.ts}'"
   },
@@ -19,7 +19,7 @@
     "@octokit/plugin-paginate-rest": "^13.0.0",
     "github-enterprise-server-versions": "^3.0.0",
     "openapi-typescript": "^6.2.1",
-    "prettier": "3.6.2"
+    "prettier": "3.7.4"
   },
   "prettier": {},
   "release": {
@@ -72,12 +72,6 @@
         {
           "pkgRoot": "packages/openapi-types-ghes-3.18"
         }
-      ],
-      [
-        "@semantic-release/npm",
-        {
-          "pkgRoot": "packages/openapi-types-ghes-3.19"
-        }
       ]
     ]
   }

package.json

@@ -126712,7 +126712,7 @@ export interface operations {
     };
     requestBody?: {
       content: {
-        "application/octet-stream": string;
+        "application/octet-stream": string | File | Uint8Array | Blob;
       };
     };
     responses: {

packages/openapi-types-ghec/types.d.ts

@@ -104703,7 +104703,7 @@ export interface operations {
     };
     requestBody?: {
       content: {
-        "application/octet-stream": string;
+        "application/octet-stream": string | File | Uint8Array | Blob;
       };
     };
     responses: {

packages/openapi-types-ghes-3.14/types.d.ts

@@ -105466,7 +105466,7 @@ export interface operations {
     };
     requestBody?: {
       content: {
-        "application/octet-stream": string;
+        "application/octet-stream": string | File | Uint8Array | Blob;
       };
     };
     responses: {

packages/openapi-types-ghes-3.15/types.d.ts

@@ -106937,7 +106937,7 @@ export interface operations {
     };
     requestBody?: {
       content: {
-        "application/octet-stream": string;
+        "application/octet-stream": string | File | Uint8Array | Blob;
       };
     };
     responses: {

packages/openapi-types-ghes-3.16/types.d.ts

@@ -106213,7 +106213,7 @@ export interface operations {
     };
     requestBody?: {
       content: {
-        "application/octet-stream": string;
+        "application/octet-stream": string | File | Uint8Array | Blob;
       };
     };
     responses: {

packages/openapi-types-ghes-3.17/types.d.ts

@@ -107310,7 +107310,7 @@ export interface operations {
     };
     requestBody?: {
       content: {
-        "application/octet-stream": string;
+        "application/octet-stream": string | File | Uint8Array | Blob;
       };
     };
     responses: {

packages/openapi-types-ghes-3.18/types.d.ts

@@ -115641,7 +115641,7 @@ export interface operations {
     };
     requestBody?: {
       content: {
-        "application/octet-stream": string;
+        "application/octet-stream": string | File | Uint8Array | Blob;
       };
     };
     responses: {

packages/openapi-types/types.d.ts

@@ -85,9 +85,25 @@ type Repository = components["schemas"]["full-repository"]
 
     await copyFile("LICENSE", `packages/${packageName}/LICENSE`);
 
+    const schemaTS = await openapiTS(`cache/${name}.json`, {
+      transform(schemaObject, metadata) {
+        if (
+          schemaObject.format === "binary" &&
+          metadata.path.endsWith("application/octet-stream")
+        ) {
+          // Make sure that file upload endpoints don't use 'string' type for binary data
+          // Use some common types that can represent binary data in various environments
+          return schemaObject.nullable
+            ? "string | File | Uint8Array | Blob | null"
+            : "string | File | Uint8Array | Blob";
+        }
+        return undefined;
+      },
+    });
+
     await writeFile(
       `packages/${packageName}/types.d.ts`,
-      await prettier.format(await openapiTS(`cache/${name}.json`), {
+      await prettier.format(schemaTS, {
         parser: "typescript",
       }),
     );