From ca8a5fa0d20df7433f60e9eba82848ba6b6291bf Mon Sep 17 00:00:00 2001
From: Boris Cherny <bcherny@fb.com>
Date: Fri, 22 Jan 2021 23:41:40 -0800
Subject: [PATCH] [Fix] `jsx-pascal-case`: support regex ignore option

Fixes #2905.
---
 docs/rules/jsx-pascal-case.md      |  4 ++--
 lib/rules/jsx-pascal-case.js       | 15 ++++++++++++---
 tests/lib/rules/jsx-pascal-case.js |  7 +++++++
 3 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/docs/rules/jsx-pascal-case.md b/docs/rules/jsx-pascal-case.md
index 92430bfc27..aeea7c1e3b 100644
--- a/docs/rules/jsx-pascal-case.md
+++ b/docs/rules/jsx-pascal-case.md
@@ -46,7 +46,7 @@ Examples of **correct** code for this rule:
 
 * `enabled`: for enabling the rule. 0=off, 1=warn, 2=error. Defaults to 0.
 * `allowAllCaps`: optional boolean set to `true` to allow components name in all caps (default to `false`).
-* `ignore`: optional string-array of component names to ignore during validation.
+* `ignore`: optional string-array of component names to ignore during validation (supports regex).
 
 ### `allowAllCaps`
 
@@ -59,4 +59,4 @@ Examples of **correct** code for this rule, when `allowAllCaps` is `true`:
 
 ## When Not To Use It
 
-If you are not using JSX.
\ No newline at end of file
+If you are not using JSX.
diff --git a/lib/rules/jsx-pascal-case.js b/lib/rules/jsx-pascal-case.js
index d2ee51d4ea..9131a1d7e9 100644
--- a/lib/rules/jsx-pascal-case.js
+++ b/lib/rules/jsx-pascal-case.js
@@ -79,8 +79,15 @@ module.exports = {
           type: 'boolean'
         },
         ignore: {
-          type: 'array'
-        }
+          items: [
+            {
+              type: 'string'
+            },
+          ],
+          minItems: 0,
+          type: 'array',
+          uniqueItems: true,
+        },
       },
       additionalProperties: false
     }]
@@ -109,7 +116,9 @@ module.exports = {
 
         const isPascalCase = testPascalCase(name);
         const isAllowedAllCaps = allowAllCaps && testAllCaps(name);
-        const isIgnored = ignore.indexOf(name) !== -1;
+        const isIgnored = ignore.some(
+          (entry) => name === entry || name.match(new RegExp(entry, 'u'))
+        );
 
         if (!isPascalCase && !isAllowedAllCaps && !isIgnored) {
           let message = `Imported JSX component ${name} must be in PascalCase`;
diff --git a/tests/lib/rules/jsx-pascal-case.js b/tests/lib/rules/jsx-pascal-case.js
index e7bdc5af75..a0335e37b4 100644
--- a/tests/lib/rules/jsx-pascal-case.js
+++ b/tests/lib/rules/jsx-pascal-case.js
@@ -76,6 +76,9 @@ ruleTester.run('jsx-pascal-case', rule, {
   }, {
     code: '<IGNORED />',
     options: [{ignore: ['IGNORED']}]
+  }, {
+    code: '<Foo_DEPRECATED />',
+    options: [{ignore: ['_D\\w+D']}]
   }, {
     code: '<$ />'
   }, {
@@ -110,5 +113,9 @@ ruleTester.run('jsx-pascal-case', rule, {
   }, {
     code: '<$a />',
     errors: [{message: 'Imported JSX component $a must be in PascalCase'}]
+  }, {
+    code: '<Foo_DEPRECATED />',
+    options: [{ignore: ['_A\\w+Z']}],
+    errors: [{message: 'Imported JSX component Foo_DEPRECATED must be in PascalCase'}]
   }]
 });