From aee4481d3c0f1bbfa4cbe3d7dd07dc4223b87185 Mon Sep 17 00:00:00 2001
From: Gary King <garyking@gmail.com>
Date: Sat, 29 Sep 2018 17:57:44 -0400
Subject: [PATCH 1/2] fix: only run if `expect` is used

---
 rules/prefer-strict-equal.js | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/rules/prefer-strict-equal.js b/rules/prefer-strict-equal.js
index 838438913..45092b3df 100644
--- a/rules/prefer-strict-equal.js
+++ b/rules/prefer-strict-equal.js
@@ -1,6 +1,8 @@
 'use strict';
 
+const expectCase = require('./util').expectCase;
 const getDocsUrl = require('./util').getDocsUrl;
+const method = require('./util').method;
 
 module.exports = {
   meta: {
@@ -12,14 +14,19 @@ module.exports = {
   create(context) {
     return {
       CallExpression(node) {
-        const propertyName = node.callee.property && node.callee.property.name;
+        if (!expectCase(node)) {
+          return;
+        }
+
+        const propertyName = method(node) && method(node).name;
+
         if (propertyName === 'toEqual') {
           context.report({
             fix(fixer) {
-              return [fixer.replaceText(node.callee.property, 'toStrictEqual')];
+              return [fixer.replaceText(method(node), 'toStrictEqual')];
             },
             message: 'Use toStrictEqual() instead',
-            node: node.callee.property,
+            node: method(node),
           });
         }
       },

From 3212910194fb8bba25a8d75c23499e028e37a4fb Mon Sep 17 00:00:00 2001
From: Gary King <garyking@gmail.com>
Date: Sun, 30 Sep 2018 15:53:13 -0400
Subject: [PATCH 2/2] test: add a test case where this rule should not apply at
 all

Since it isn't using proper Jest `expect` syntax.
---
 rules/__tests__/prefer-strict-equal.test.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/rules/__tests__/prefer-strict-equal.test.js b/rules/__tests__/prefer-strict-equal.test.js
index 8104f43d8..978a2a841 100644
--- a/rules/__tests__/prefer-strict-equal.test.js
+++ b/rules/__tests__/prefer-strict-equal.test.js
@@ -6,7 +6,10 @@ const rule = require('../prefer-strict-equal');
 const ruleTester = new RuleTester();
 
 ruleTester.run('prefer-strict-equal', rule, {
-  valid: ['expect(something).toStrictEqual(somethingElse);'],
+  valid: [
+    'expect(something).toStrictEqual(somethingElse);',
+    "a().toEqual('b')",
+  ],
   invalid: [
     {
       code: 'expect(something).toEqual(somethingElse);',