chore: use characterNode.raw instead of characterNode.value

eslint · Dec 3, 2021 · 0c7e362 · 0c7e362
1 parent 8d96676
commit 0c7e362
Show file tree

Hide file tree

Showing 2 changed files with 20 additions and 1 deletion.
diff --git a/lib/rules/prefer-regex-literals.js b/lib/rules/prefer-regex-literals.js
@@ -265,18 +265,23 @@ module.exports = {
         function resolveEscapes(character) {
             switch (character) {
                 case "\n":
+                case "\\\n":
                     return "\\n";
 
                 case "\r":
+                case "\\\r":
                     return "\\r";
 
                 case "\t":
+                case "\\\t":
                     return "\\t";
 
                 case "\v":
+                case "\\\v":
                     return "\\v";
 
                 case "\f":
+                case "\\\f":
                     return "\\f";
 
                 case "/":
@@ -345,7 +350,7 @@ module.exports = {
                                 onCharacterEnter(characterNode) {
                                     let changeCharIncrease = 0;
                                     let stringCodePointValue = String.fromCodePoint(characterNode.value);
-                                    const escaped = resolveEscapes(stringCodePointValue);
+                                    const escaped = resolveEscapes(characterNode.raw);
 
                                     if (escaped) {
                                         stringCodePointValue = escaped;

diff --git a/tests/lib/rules/prefer-regex-literals.js b/tests/lib/rules/prefer-regex-literals.js
@@ -2324,6 +2324,20 @@ ruleTester.run("prefer-regex-literals", rule, {
                     ]
                 }
             ]
+        },
+        {
+            code: "new RegExp(\"\\u000A\\u000A\");",
+            errors: [
+                {
+                    messageId: "unexpectedRegExp",
+                    suggestions: [
+                        {
+                            messageId: "unexpectedRegExp",
+                            output: "/\\n\\n/"
+                        }
+                    ]
+                }
+            ]
         }
     ]
 });