in now type checks

Author: JamieMagee

lib/modules/datasource/docker/index.ts

@@ -570,7 +570,7 @@ export class DockerDatasource extends Datasource {
     // OCI image lists are not required to specify a mediaType
     if (
       manifest.mediaType === MediaType.ociManifestIndexV1 ||
-      (!manifest.mediaType && hasKey('manifests', manifest))
+      (!manifest.mediaType && 'manifests' in manifest)
     ) {
       if (manifest.manifests.length) {
         logger.trace(
@@ -594,7 +594,7 @@ export class DockerDatasource extends Datasource {
     // OCI manifests are not required to specify a mediaType
     if (
       (manifest.mediaType === MediaType.ociManifestV1 ||
-        (!manifest.mediaType && hasKey('config', manifest))) &&
+        (!manifest.mediaType && 'config' in manifest)) &&
       is.string(manifest.config?.digest)
     ) {
       return manifest.config?.digest;
@@ -1042,7 +1042,7 @@ export class DockerDatasource extends Datasource {
             manifestList.schemaVersion === 2 &&
             (manifestList.mediaType === MediaType.manifestListV2 ||
               manifestList.mediaType === MediaType.ociManifestIndexV1 ||
-              (!manifestList.mediaType && hasKey('manifests', manifestList)))
+              (!manifestList.mediaType && 'manifests' in manifestList))
           ) {
             for (const manifest of manifestList.manifests) {
               if (manifest.platform['architecture'] === architecture) {

lib/modules/platform/github/massage-markdown-links.ts

@@ -2,7 +2,6 @@ import type { Content } from 'mdast';
 import remark from 'remark';
 import type { Plugin, Transformer } from 'unified';
 import { logger } from '../../../logger';
-import { hasKey } from '../../../util/object';
 import { regEx } from '../../../util/regex';
 
 interface UrlMatch {
@@ -44,7 +43,7 @@ function collectLinkPosition(input: string, matches: UrlMatch[]): Plugin {
         const newUrl = massageLink(url);
         matches.push({ start, end, replaceTo: `[${url}](${newUrl})` });
       }
-    } else if (hasKey('children', tree)) {
+    } else if ('children' in tree) {
       tree.children.forEach((child: Content) => {
         transformer(child);
       });

lib/util/object.ts

@@ -9,5 +9,5 @@ export function hasKey<K extends string, T>(
   k: K,
   o: T
 ): o is T & Record<K, unknown> {
-  return typeof o === 'object' && k in o;
+  return o && typeof o === 'object' && k in o;
 }