feat(es/minifier): Handle boolean in Evaluator (#6756)

**Related issue:** - Closes #5953.
swc-project · Jan 6, 2023 · 8a6a1cb · 8a6a1cb
1 parent 48902b6
commit 8a6a1cb
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Showing 2 changed files with 13 additions and 4 deletions.
diff --git a/crates/swc_ecma_minifier/src/eval.rs b/crates/swc_ecma_minifier/src/eval.rs
@@ -88,10 +88,13 @@ impl Evaluator {
         match e {
             Expr::Seq(s) => return self.eval(s.exprs.last()?),
 
-            Expr::Lit(l @ Lit::Null(..))
-            | Expr::Lit(l @ Lit::Num(..) | l @ Lit::Str(..) | l @ Lit::BigInt(..)) => {
-                return Some(EvalResult::Lit(l.clone()))
-            }
+            Expr::Lit(
+                l @ Lit::Num(..)
+                | l @ Lit::Str(..)
+                | l @ Lit::BigInt(..)
+                | l @ Lit::Bool(..)
+                | l @ Lit::Null(..),
+            ) => return Some(EvalResult::Lit(l.clone())),
 
             Expr::Tpl(t) => {
                 return self.eval_tpl(t);

diff --git a/crates/swc_ecma_minifier/tests/eval.rs b/crates/swc_ecma_minifier/tests/eval.rs
@@ -66,6 +66,12 @@ fn simple() {
     assert_eq!(eval("const foo = 4", "foo").unwrap(), "4");
 }
 
+#[test]
+fn eval_lit() {
+    assert_eq!(eval("", "true").unwrap(), "true");
+    assert_eq!(eval("", "false").unwrap(), "false");
+}
+
 struct PartialInliner {
     marks: Marks,
     eval: Option<Evaluator>,