From 70613eb00f5839ae195a3a68afce21219b963a3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20De=20Boey?= <info@michaeldeboey.be>
Date: Tue, 7 Mar 2023 23:56:27 +0100
Subject: [PATCH] feat(remix-eslint-config): add deprecation warning to
 `@remix-run/eslint-config/jest` ESLint config

---
 .changeset/wicked-hairs-tell.md      |  5 +++++
 packages/remix-eslint-config/jest.js | 17 +++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 .changeset/wicked-hairs-tell.md

diff --git a/.changeset/wicked-hairs-tell.md b/.changeset/wicked-hairs-tell.md
new file mode 100644
index 00000000000..edfb0d34c55
--- /dev/null
+++ b/.changeset/wicked-hairs-tell.md
@@ -0,0 +1,5 @@
+---
+"@remix-run/eslint-config": minor
+---
+
+add deprecation warning to `@remix-run/eslint-config/jest` ESLint config
diff --git a/packages/remix-eslint-config/jest.js b/packages/remix-eslint-config/jest.js
index f69586b6fac..dac2ee8da83 100644
--- a/packages/remix-eslint-config/jest.js
+++ b/packages/remix-eslint-config/jest.js
@@ -6,6 +6,23 @@ const jestRules = require("./rules/jest");
  */
 require("@rushstack/eslint-patch/modern-module-resolution");
 
+const alreadyWarned = {};
+const warnOnce = (condition, message) => {
+  if (!condition && !alreadyWarned[message]) {
+    alreadyWarned[message] = true;
+    console.warn(message);
+  }
+};
+
+warnOnce(
+  false,
+  "⚠️ DEPRECATED: The `@remix-run/eslint-config/jest` ESLint config " +
+    "has been deprecated in favor of " +
+    "`@remix-run/eslint-config/jest-testing-library` and will be removed in " +
+    "Remix v2. Please update your code to use " +
+    "`@remix-run/eslint-config/jest-testing-library` instead."
+);
+
 /**
  * @deprecated Use `@remix-run/eslint-config/jest-testing-library` instead.
  */