Add a context provider for secrets

actions-languageserver/src/context-providers/secrets.ts

@@ -0,0 +1,22 @@
+import {StringData} from "@github/actions-expressions/data/string";
+import {Octokit} from "@octokit/rest";
+import {TTLCache} from "../utils/cache";
+
+export function getSecrets(octokit: Octokit, cache: TTLCache, owner: string, name: string): Promise<StringData[]> {
+  return cache.get(`${owner}/${name}/secrets`, undefined, () => fetchSecrets(octokit, owner, name));
+}
+
+async function fetchSecrets(octokit: Octokit, owner: string, name: string): Promise<StringData[]> {
+  try {
+    const response = await octokit.actions.listRepoSecrets({
+      owner,
+      repo: name
+    });
+
+    return response.data.secrets.map(secret => new StringData(secret.name));
+  } catch (e) {
+    console.log("Failure to retrieve secrets: ", e);
+  }
+
+  return [];
+}