Merge pull request #209 from meriyah/fix-jsx-regex

3cp · web-flow · commit 4b24c738b38d · 2022-03-18T16:24:04.000+11:00
fix(parser): allow regular expression in JSXExpressionContainer
diff --git a/src/parser.ts b/src/parser.ts
@@ -9061,7 +9061,7 @@ function parseJSXExpressionContainer(
   line: number,
   column: number
 ): ESTree.JSXExpressionContainer | ESTree.JSXSpreadChild {
-  nextToken(parser, context);
+  nextToken(parser, context | Context.AllowRegExp);
   const { tokenPos, linePos, colPos } = parser;
   if (parser.token === Token.Ellipsis) return parseJSXSpreadChild(parser, context, tokenPos, linePos, colPos);
 
diff --git a/test/parser/miscellaneous/jsx.ts b/test/parser/miscellaneous/jsx.ts
@@ -18,7 +18,9 @@ describe('Miscellaneous - JSX', () => {
       text
     </>;`,
     '<div>{this.props.children}</div>;',
-    '<a>{}</a>;'
+    '<a>{}</a>;',
+    '<p>{1/2}</p>',
+    '<p>{/w/.test(s)}</p>'
   ]) {
     it(`${arg}`, () => {
       t.doesNotThrow(() => {
@@ -105,7 +107,8 @@ describe('Miscellaneous - JSX', () => {
     ['[foo] > ;', Context.OptionsJSX],
     ['[foo] > ;', Context.OptionsJSX],
     ['[foo] > ;', Context.OptionsJSX],
-    ['var x = <div>one</div>, <div>two</div>;', Context.OptionsJSX]
+    ['var x = <div>one</div>, <div>two</div>;', Context.OptionsJSX],
+    ['<p>{/}</p>', Context.OptionsJSX]
   ]);
 
   pass('Miscellaneous - JSX (pass)', [
