Add file provider to hover

actions-languageserver/src/connection.ts

@@ -134,7 +134,10 @@ export function initConnection(connection: Connection) {
 
     return hover(documents.get(textDocument.uri)!, position, {
       descriptionProvider: descriptionProvider(client, cache),
-      contextProviderConfig: repoContext && contextProviders(client, repoContext, cache)
+      contextProviderConfig: repoContext && contextProviders(client, repoContext, cache),
+      fileProvider: getFileProvider(client, cache, repoContext?.workspaceUri, async path => {
+        return await connection.sendRequest(Requests.ReadFile, {path});
+      })
     });
   });
 

actions-languageserver/src/description-provider.ts

@@ -1,10 +1,11 @@
 import {DescriptionProvider} from "@github/actions-languageservice/hover";
 import {Octokit} from "@octokit/rest";
 import {getActionInputDescription} from "./description-providers/action-input";
+import {getReusableWorkflowInputDescription} from "./description-providers/reusable-workflow-input";
 import {TTLCache} from "./utils/cache";
 
 export function descriptionProvider(client: Octokit | undefined, cache: TTLCache): DescriptionProvider {
-  const getDescription: DescriptionProvider["getDescription"] = async (context, token, path) => {
+  const getDescription: DescriptionProvider["getDescription"] = async (context, token, path, fileProvider) => {
     if (!client) {
       return undefined;
     }
@@ -13,6 +14,10 @@ export function descriptionProvider(client: Octokit | undefined, cache: TTLCache
     if (context.step && parent.definition?.key === "step-with") {
       return await getActionInputDescription(client, cache, context.step, token);
     }
+
+    if (context.reusableWorkflowJob && fileProvider && parent.definition?.key === "workflow-job-with") {
+      return await getReusableWorkflowInputDescription(client, cache, context.reusableWorkflowJob, token, fileProvider);
+    }
   };
 
   return {

actions-languageserver/src/description-providers/reusable-workflow-input.ts

@@ -0,0 +1,23 @@
+import {parseActionReference} from "@github/actions-languageservice/action";
+import {isString} from "@github/actions-workflow-parser";
+import {isActionStep, isReusableWorkflowJob} from "@github/actions-workflow-parser/model/type-guards";
+import {FileProvider} from "@github/actions-workflow-parser/workflows/file-provider";
+import {ReusableWorkflowJob} from "@github/actions-workflow-parser/model/workflow-template";
+import {TemplateToken} from "@github/actions-workflow-parser/templates/tokens/template-token";
+import {Octokit} from "@octokit/rest";
+import {fetchActionMetadata} from "../utils/action-metadata";
+import {TTLCache} from "../utils/cache";
+
+export async function getReusableWorkflowInputDescription(
+  client: Octokit,
+  cache: TTLCache,
+  reusableWorkflowJob: ReusableWorkflowJob,
+  token: TemplateToken,
+  fileProvider: FileProvider
+): Promise<string | undefined> {
+  if (!isReusableWorkflowJob(reusableWorkflowJob)) {
+    return undefined;
+  }
+
+  return "here's a description"
+}