fix(plugin-catalog): Fix viewTechdocLink so kind is lowercase by default in url path

Signed-off-by: Jake Crews <jake.crews@daveramsey.com>

plugins/techdocs-react/api-report.md

@@ -7,6 +7,7 @@ import { ApiRef } from '@backstage/core-plugin-api';
 import { AsyncState } from 'react-use/lib/useAsync';
 import { ComponentType } from 'react';
 import { CompoundEntityRef } from '@backstage/catalog-model';
+import { Config } from '@backstage/config';
 import { Dispatch } from 'react';
 import { Entity } from '@backstage/catalog-model';
 import { Extension } from '@backstage/core-plugin-api';
@@ -152,6 +153,12 @@ export interface TechDocsStorageApi {
 // @public
 export const techdocsStorageApiRef: ApiRef<TechDocsStorageApi>;
 
+// @public
+export function toLowercaseEntityRefMaybe(
+  entityRef: CompoundEntityRef,
+  config: Config,
+): CompoundEntityRef;
+
 // @public
 export const useShadowDomStylesLoading: (element: Element | null) => boolean;
 

plugins/techdocs-react/package.json

@@ -38,6 +38,7 @@
     "@backstage/catalog-model": "^1.1.0-next.3",
     "@backstage/core-components": "^0.10.0-next.3",
     "@backstage/core-plugin-api": "^1.0.4-next.0",
+    "@backstage/config": "^1.0.1",
     "@backstage/version-bridge": "^1.0.1",
     "@material-ui/core": "^4.12.2",
     "@material-ui/lab": "4.0.0-alpha.57",

plugins/techdocs-react/src/helpers.ts

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Config } from '@backstage/config';
+import { CompoundEntityRef } from '@backstage/catalog-model';
+
+/**
+ * Lower-case entity triplets by default, but allow override.
+ *
+ * @public
+ */
+export function toLowercaseEntityRefMaybe(
+  entityRef: CompoundEntityRef,
+  config: Config,
+) {
+  return config.getOptionalBoolean(
+    'techdocs.legacyUseCaseSensitiveTripletPaths',
+  )
+    ? entityRef
+    : {
+        kind: entityRef.kind.toLocaleLowerCase('en-US'),
+        name: entityRef.name.toLocaleLowerCase('en-US'),
+        namespace: entityRef.namespace.toLocaleLowerCase('en-US'),
+      };
+}

plugins/techdocs-react/src/index.ts

@@ -51,3 +51,4 @@ export {
   useShadowRootElements,
   useShadowRootSelection,
 } from './hooks';
+export { toLowercaseEntityRefMaybe } from './helpers';