fix(paresr): parse [+In] in template (#266)

relates #255
oxc-project · Apr 6, 2023 · 398dbfd · 398dbfd
1 parent 6360bda
commit 398dbfd
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/crates/oxc_parser/src/js/expression.rs b/crates/oxc_parser/src/js/expression.rs
@@ -349,7 +349,9 @@ impl<'a> Parser<'a> {
             }
             Kind::TemplateHead => {
                 quasis.push(self.parse_template_element(tagged));
-                expressions.push(self.parse_expression()?);
+                // TemplateHead Expression[+In, ?Yield, ?Await]
+                let expr = self.with_context(Context::In, Self::parse_expression)?;
+                expressions.push(expr);
                 self.re_lex_template_substitution_tail();
                 loop {
                     match self.cur_kind() {
@@ -362,7 +364,9 @@ impl<'a> Parser<'a> {
                             quasis.push(self.parse_template_element(tagged));
                         }
                         _ => {
-                            expressions.push(self.parse_expression()?);
+                            // TemplateMiddle Expression[+In, ?Yield, ?Await]
+                            let expr = self.with_context(Context::In, Self::parse_expression)?;
+                            expressions.push(expr);
                             self.re_lex_template_substitution_tail();
                         }
                     }

diff --git a/crates/oxc_parser/src/lib.rs b/crates/oxc_parser/src/lib.rs
@@ -291,6 +291,7 @@ mod test {
             "null?async():null",
             "switch(null){case async():}",
             "for(new null(null in null);;);",
+            "for(`${null in null}`;;);",
         ];
 
         for source in pass {