diff --git a/src/wasm-lib/kcl/src/ast/types/condition.rs b/src/wasm-lib/kcl/src/ast/types/condition.rs
index 9244a41305..5f74ad448f 100644
--- a/src/wasm-lib/kcl/src/ast/types/condition.rs
+++ b/src/wasm-lib/kcl/src/ast/types/condition.rs
@@ -25,6 +25,8 @@ pub struct IfExpression {
     pub else_ifs: NodeList<ElseIf>,
     pub final_else: BoxNode<IfBlock>,
 
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    #[ts(optional)]
     pub digest: Option<Digest>,
 }
 
@@ -36,6 +38,8 @@ pub struct ElseIf {
     pub cond: Expr,
     pub then_val: BoxNode<IfBlock>,
 
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    #[ts(optional)]
     pub digest: Option<Digest>,
 }
 
diff --git a/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bc.snap b/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bc.snap
index f666a67f38..5243454999 100644
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bc.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bc.snap
@@ -1,6 +1,7 @@
 ---
 source: kcl/src/parser/parser_impl.rs
 expression: actual
+snapshot_kind: text
 ---
 {
   "body": [
@@ -23,7 +24,6 @@ expression: actual
               "type": "Literal",
               "value": true
             },
-            "digest": null,
             "else_ifs": [],
             "end": 74,
             "final_else": {
diff --git a/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bd.snap b/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bd.snap
index e27be60c5a..85eccecbd5 100644
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bd.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_lib__parser__parser_impl__snapshot_tests__bd.snap
@@ -1,6 +1,7 @@
 ---
 source: kcl/src/parser/parser_impl.rs
 expression: actual
+snapshot_kind: text
 ---
 {
   "body": [
@@ -23,7 +24,6 @@ expression: actual
               "type": "Literal",
               "value": true
             },
-            "digest": null,
             "else_ifs": [
               {
                 "cond": {
@@ -48,7 +48,6 @@ expression: actual
                   "type": "CallExpression",
                   "type": "CallExpression"
                 },
-                "digest": null,
                 "end": 90,
                 "start": 44,
                 "then_val": {
diff --git a/src/wasm-lib/kcl/tests/if_else/ast.snap b/src/wasm-lib/kcl/tests/if_else/ast.snap
index 507f5a315b..fd1d2c3701 100644
--- a/src/wasm-lib/kcl/tests/if_else/ast.snap
+++ b/src/wasm-lib/kcl/tests/if_else/ast.snap
@@ -25,7 +25,6 @@ snapshot_kind: text
                 "type": "Literal",
                 "value": true
               },
-              "digest": null,
               "else_ifs": [
                 {
                   "cond": {
@@ -36,7 +35,6 @@ snapshot_kind: text
                     "type": "Literal",
                     "value": true
                   },
-                  "digest": null,
                   "end": 88,
                   "start": 68,
                   "then_val": {
@@ -188,7 +186,6 @@ snapshot_kind: text
                 "type": "Literal",
                 "value": false
               },
-              "digest": null,
               "else_ifs": [
                 {
                   "cond": {
@@ -199,7 +196,6 @@ snapshot_kind: text
                     "type": "Literal",
                     "value": true
                   },
-                  "digest": null,
                   "end": 202,
                   "start": 182,
                   "then_val": {
@@ -351,7 +347,6 @@ snapshot_kind: text
                 "type": "Literal",
                 "value": false
               },
-              "digest": null,
               "else_ifs": [
                 {
                   "cond": {
@@ -362,7 +357,6 @@ snapshot_kind: text
                     "type": "Literal",
                     "value": false
                   },
-                  "digest": null,
                   "end": 322,
                   "start": 301,
                   "then_val": {