initial commit

src/dependency-graph.ts

@@ -0,0 +1,31 @@
+import * as core from '@actions/core'
+import * as githubUtils from '@actions/github/lib/utils'
+import * as retry from '@octokit/plugin-retry'
+import {Changes, ChangesSchema} from './schemas'
+
+const retryingOctokit = githubUtils.GitHub.plugin(retry.retry)
+const octo = new retryingOctokit(
+  githubUtils.getOctokitOptions(core.getInput('repo-token', {required: true}))
+)
+
+export async function compare({
+  owner,
+  repo,
+  baseRef,
+  headRef
+}: {
+  owner: string
+  repo: string
+  baseRef: string
+  headRef: string
+}): Promise<Changes> {
+  const changes = await octo.paginate(
+    'GET /repos/{owner}/{repo}/dependency-graph/compare/{basehead}',
+    {
+      owner,
+      repo,
+      basehead: `${baseRef}...${headRef}`
+    }
+  )
+  return ChangesSchema.parse(changes)
+}