fix: +ve part

crates/swc_ecma_codegen/src/lib.rs

@@ -702,15 +702,8 @@ where
 
         self.emit_leading_comments_of_span(num.span(), false)?;
 
-        let mut striped_raw = None;
-        let mut value = String::default();
-
-        srcmap!(self, num, true);
-
-        if self.cfg.minify {
-
         // Handle infinity
-        if num.value.is_infinite() {
+        if num.value.is_infinite() && !num.raw.is_some() {
             if num.value.is_sign_negative() {
                 self.wr.write_str_lit(num.span, "-")?;
             }
@@ -719,6 +712,12 @@ where
             return Ok(false);
         }
 
+        let mut striped_raw = None;
+        let mut value = String::default();
+
+        srcmap!(self, num, true);
+
+        if self.cfg.minify {
             value = minify_number(num.value);
             self.wr.write_str_lit(DUMMY_SP, &value)?;
         } else {
@@ -755,16 +754,6 @@ where
             }
         }
 
-        // Handle infinity
-        if num.value.is_infinite() {
-            if num.value.is_sign_negative() {
-                self.wr.write_str_lit(num.span, "-")?;
-            }
-            self.wr.write_str_lit(num.span, "Infinity")?;
-
-            return Ok(false);
-        }
-
         // fast return
         if !detect_dot {
             return Ok(false);

crates/swc_ecma_transforms_optimization/src/simplify/expr/tests.rs

@@ -843,6 +843,12 @@ fn test_fold_arithmetic_infinity() {
     fold("x = Infinity ** -2", "x = 0");
 }
 
+#[test]
+fn test_fold_arithmetic_large_number() {
+    fold("x = -1e999", "x = -1e999");
+    fold("x = 1e999", "x = 1e999");
+}
+
 #[test]
 fn test_fold_arithmetic_string_comp() {
     fold("x = 10 - 20", "x = -10");