From 32a914bd3eafb8d806465818484515b744867835 Mon Sep 17 00:00:00 2001
From: Trask Stalnaker <trask.stalnaker@gmail.com>
Date: Mon, 24 Oct 2022 20:24:04 -0700
Subject: [PATCH] Cherry pick dyladan/component-owners#14

---
 README.md    | 4 ++++
 src/utils.ts | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 8fa13a0..b8bb181 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,10 @@ components:
     - user3
     - user4
 
+  # User assignment can be configured based on a file extension
+  "*.md":
+    - user5
+
 # Optionally ignore some PR authors to reduce spam for assignees and reviewers
 ignored-authors:
   - dependabot
diff --git a/src/utils.ts b/src/utils.ts
index 2ad996e..c0778d0 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -53,6 +53,11 @@ function match(name: string, ownedPath: string): boolean {
     // Remove leading and trailing path separator
     ownedPath = ownedPath.replace(/^\//, "").replace(/\/$/, "");
 
+    if (ownedPath.startsWith("*.")) {
+      const extension = ownedPath.substring(1)
+      return name.endsWith(extension)
+    }
+
     const ownedPathParts = ownedPath.split(path.sep);
     const filePathParts = name.split(path.sep).slice(0, ownedPathParts.length);