From 7144892a4fa67367ba0d3753db91aa00b2520c7b Mon Sep 17 00:00:00 2001
From: Eran Hirsch <eranhirsch@gmail.com>
Date: Wed, 15 Feb 2023 12:43:48 +0200
Subject: [PATCH] docs:
 explicit-function-return-type/allowFunctionsWithoutTypeParameters

---
 .../rules/explicit-function-return-type.md    | 32 +++++++++++++++++++
 .../rules/explicit-function-return-type.ts    |  1 +
 2 files changed, 33 insertions(+)

diff --git a/packages/eslint-plugin/docs/rules/explicit-function-return-type.md b/packages/eslint-plugin/docs/rules/explicit-function-return-type.md
index a5df82f958ab..0d0e476d576c 100644
--- a/packages/eslint-plugin/docs/rules/explicit-function-return-type.md
+++ b/packages/eslint-plugin/docs/rules/explicit-function-return-type.md
@@ -242,6 +242,38 @@ const log = (message: string) => {
 var log = (message: string) => void console.log(message);
 ```
 
+### `allowFunctionsWithoutTypeParameters`
+
+Examples of code for this rule with `{ allowFunctionsWithoutTypeParameters: true }`:
+
+<!--tabs-->
+
+#### ❌ Incorrect
+
+```ts
+function foo<T>(t: T) {
+  return t;
+}
+
+const bar = <T>(t: T) => t;
+```
+
+#### ✅ Correct
+
+```ts
+function foo<T>(t: T): T {
+  return t;
+}
+
+const bar = <T>(t: T): T => t;
+
+const allowedFunction(x: string) {
+  return x;
+}
+
+const allowedArrow = (x: string) => x;
+```
+
 ### `allowedNames`
 
 You may pass function/method names you would like this rule to ignore, like so:
diff --git a/packages/eslint-plugin/src/rules/explicit-function-return-type.ts b/packages/eslint-plugin/src/rules/explicit-function-return-type.ts
index 254c48a0965c..b19ec1527ec0 100644
--- a/packages/eslint-plugin/src/rules/explicit-function-return-type.ts
+++ b/packages/eslint-plugin/src/rules/explicit-function-return-type.ts
@@ -93,6 +93,7 @@ export default util.createRule<Options, MessageIds>({
       allowHigherOrderFunctions: true,
       allowDirectConstAssertionInArrowFunctions: true,
       allowConciseArrowFunctionExpressionsStartingWithVoid: false,
+      allowFunctionsWithoutTypeParameters: false,
       allowedNames: [],
       allowIIFEs: false,
     },