fix corner cases in conditionals & switches (#5545)

fixes #5543 fixes #5544
2022-07-07 07:59:06 +01:00
parent d89f0965aa
commit 3dcf098468
3 changed files with 154 additions and 0 deletions
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -1126,6 +1126,10 @@ var AST_Switch = DEFNODE("Switch", "expression", {
    $propdoc: {
        expression: "[AST_Node] the `switch` “discriminant”"
    },
+    _equals: function(node) {
+        return this.expression.equals(node.expression)
+            && all_equals(this.body, node.body);
+    },
    walk: function(visitor) {
        var node = this;
        visitor.visit(node, function() {
@@ -1157,6 +1161,10 @@ var AST_Case = DEFNODE("Case", "expression", {
    $propdoc: {
        expression: "[AST_Node] the `case` expression"
    },
+    _equals: function(node) {
+        return this.expression.equals(node.expression)
+            && all_equals(this.body, node.body);
+    },
    walk: function(visitor) {
        var node = this;
        visitor.visit(node, function() {