Add "links" collection to index resources, again

gradle/changelog/fix_index_links_in_ui_extensions.yaml

@@ -0,0 +1,2 @@
+- type: fixed
+  description: Index link collection in ui extensions ([#1594](https://github.com/scm-manager/scm-manager/issues/1588) and [#1587](https://github.com/scm-manager/scm-manager/issues/1594))

scm-ui/ui-extensions/src/ExtensionPoint.tsx

@@ -23,7 +23,7 @@
  */
 import * as React from "react";
 import { Binder } from "./binder";
-import { Component, FC, ReactNode } from "react";
+import { FC, ReactNode } from "react";
 import useBinder from "./useBinder";
 
 type PropTransformer = (props: object) => object;
@@ -48,17 +48,30 @@ const createInstance = (Component: any, props: object, key?: number) => {
 
 const renderAllExtensions = (binder: Binder, name: string, props: object) => {
   const extensions = binder.getExtensions(name, props);
-  return <>{extensions.map((cmp, index) => createInstance(cmp, props, index))}</>;
+  return <>{extensions.map((cmp, index) => createInstance(cmp, fixLinksInProps(props), index))}</>;
 };
 
 const renderSingleExtension = (binder: Binder, name: string, props: object) => {
-  const cmp = binder.getExtension(name, props);
+  const cmp = binder.getExtension(name, fixLinksInProps(props));
   if (!cmp) {
     return null;
   }
   return createInstance(cmp, props, undefined);
 };
 
+// In release 2.14.0, the link collection in the index resource is no longer available under 'links', but
+// only under '_links". Therefore plugins expecting the collection in the property without the underscore
+// did no longer work properly. This copies the link collection from '_links' to 'links' to fix this issue.
+const fixLinksInProps = (props: object) => {
+  // @ts-ignore
+  if (props?.indexResources?._links) {
+    // @ts-ignore
+    return { ...props, indexResources: { ...props.indexResources, links: props.indexResources._links } };
+  } else {
+    return props;
+  }
+};
+
 const renderDefault = (children: ReactNode) => {
   if (children) {
     return <>{children}</>;