From ac49494781d9210e41610b90ce124290a71e40b2 Mon Sep 17 00:00:00 2001
From: fisker <lionkay@gmail.com>
Date: Wed, 17 Jun 2020 16:51:43 +0800
Subject: [PATCH 1/3] `consistent-function-scoping`: Fix wrong detect of IIFE

---
 rules/consistent-function-scoping.js |  3 ++-
 test/consistent-function-scoping.js  | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/rules/consistent-function-scoping.js b/rules/consistent-function-scoping.js
index 864a430888..1b050f0139 100644
--- a/rules/consistent-function-scoping.js
+++ b/rules/consistent-function-scoping.js
@@ -105,7 +105,8 @@ const iifeFunctionTypes = new Set([
 const isIife = node => node &&
 	iifeFunctionTypes.has(node.type) &&
 	node.parent &&
-	node.parent.type === 'CallExpression';
+	node.parent.type === 'CallExpression' &&
+	node.parent.callee === node;
 
 function checkNode(node, scopeManager) {
 	const scope = scopeManager.acquire(node);
diff --git a/test/consistent-function-scoping.js b/test/consistent-function-scoping.js
index a72317339e..02690462c1 100644
--- a/test/consistent-function-scoping.js
+++ b/test/consistent-function-scoping.js
@@ -513,6 +513,18 @@ ruleTester.run('consistent-function-scoping', rule, {
 				})();
 			`,
 			errors: [createError({name: 'bar'})]
+		},
+		// #770
+		{
+			code: outdent`
+				process.nextTick(() => {
+					function returnsZero() {
+						return true;
+					}
+					process.exitCode = returnsZero();
+				});
+			`,
+			errors: [createError({name: 'returnsZero'})]
 		}
 	]
 });

From 72534c673f2d020f03705ec829d8c222b3d2acb5 Mon Sep 17 00:00:00 2001
From: fisker <lionkay@gmail.com>
Date: Wed, 17 Jun 2020 16:56:37 +0800
Subject: [PATCH 2/3] Add another case

---
 test/consistent-function-scoping.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/test/consistent-function-scoping.js b/test/consistent-function-scoping.js
index 02690462c1..88587693d7 100644
--- a/test/consistent-function-scoping.js
+++ b/test/consistent-function-scoping.js
@@ -224,7 +224,7 @@ ruleTester.run('consistent-function-scoping', rule, {
 				function foo() {}
 			}, [])
 		`,
-		// IIEF
+		// IIFE
 		outdent`
 			(function() {
 				function bar() {}
@@ -525,6 +525,22 @@ ruleTester.run('consistent-function-scoping', rule, {
 				});
 			`,
 			errors: [createError({name: 'returnsZero'})]
+		},
+		{
+			code: outdent`
+				process.nextTick(() => {
+					function returnsZero() {
+						return true;
+					}
+					process.exitCode = returnsZero();
+				},(() => {
+					function returnsZero() {
+						return true;
+					}
+					process.exitCode = returnsZero();
+				})());
+			`,
+			errors: [createError({name: 'returnsZero'})]
 		}
 	]
 });

From de07847f15bef8c8f788817d2ccb9fc8bf9faea7 Mon Sep 17 00:00:00 2001
From: fisker <lionkay@gmail.com>
Date: Wed, 17 Jun 2020 17:00:17 +0800
Subject: [PATCH 3/3] More complicated case

---
 test/consistent-function-scoping.js | 39 +++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 11 deletions(-)

diff --git a/test/consistent-function-scoping.js b/test/consistent-function-scoping.js
index 88587693d7..376c2a6659 100644
--- a/test/consistent-function-scoping.js
+++ b/test/consistent-function-scoping.js
@@ -528,19 +528,36 @@ ruleTester.run('consistent-function-scoping', rule, {
 		},
 		{
 			code: outdent`
-				process.nextTick(() => {
-					function returnsZero() {
-						return true;
-					}
-					process.exitCode = returnsZero();
-				},(() => {
-					function returnsZero() {
-						return true;
+				foo(
+					// This is not IIFE
+					function() {
+						function bar() {
+						}
+					},
+					// This is IIFE
+					(function() {
+						function baz() {
+						}
+					})(),
+				)
+			`,
+			errors: [createError({name: 'bar'})]
+		},
+		{
+			code: outdent`
+				// This is IIFE
+				(function() {
+					function bar() {
 					}
-					process.exitCode = returnsZero();
-				})());
+				})(
+					// This is not IIFE
+					function() {
+						function baz() {
+						}
+					},
+				)
 			`,
-			errors: [createError({name: 'returnsZero'})]
+			errors: [createError({name: 'baz'})]
 		}
 	]
 });