Bugfix Regex's containing (\0) (babel#733)

* Bugfix Regex containing (\0) * test for \0 in regex
loborobo · Nov 27, 2017 · f7ff978 · f7ff978
1 parent 8c28e1d
commit f7ff978
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diff --git a/...abel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js b/...abel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js
@@ -135,4 +135,14 @@ describe("transform-regexp-constructors-plugin", () => {
     var x = /\/x\//;
   `
   );
+
+  thePlugin(
+    "should keep NUL",
+    String.raw`
+    var x = new RegExp('\0');
+  `,
+    String.raw`
+    var x = /\0/;
+  `
+  );
 });
diff --git a/packages/babel-plugin-transform-regexp-constructors/src/index.js b/packages/babel-plugin-transform-regexp-constructors/src/index.js
@@ -22,6 +22,9 @@ function createRegExpLiteral(args, prettify, t) {
       .replace(/\f/g, "\\f")
       .replace(/\r/g, "\\r");
   }
+
+  pattern = pattern.replace(/\0/g, "\\0");
+
   return t.regExpLiteral(pattern, flags);
 }