Revert "compilerEs: refactor code generation for once methods"

This reverts commit 0d84906.
fantom-lang · Jul 12, 2024 · 339cc83 · 339cc83
1 parent 0d84906
commit 339cc83
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diff --git a/src/compilerEs/fan/ast/JsExpr.fan b/src/compilerEs/fan/ast/JsExpr.fan
@@ -267,19 +267,6 @@ class JsExpr : JsNode
     leave    := x.leave
     isAssign := x.assignTarget != null
 
-    // convert binary expressions assigning or testing for equivalence to
-    // synthetic str "_once_" to undefined
-    if (lhs.expr is FieldExpr)
-    {
-      fe := (FieldExpr)lhs.expr
-      if (rhs.expr.id === ExprId.strLiteral && rhs.expr->val == "_once_")
-      {
-        lhs.write
-        js.w(" ${symbol} undefined", loc)
-        return
-      }
-    }
-
     if (isAssign && lhs.expr is FieldExpr)
     {
       fe := (FieldExpr)lhs.expr

diff --git a/src/compilerEs/fan/ast/JsType.fan b/src/compilerEs/fan/ast/JsType.fan
@@ -235,9 +235,6 @@ class JsType : JsNode
 
   private static Str fieldDefVal(FieldDef f)
   {
-    // initialize once fields to undefined
-    if (f.isOnce) return "undefined"
-
     defVal    := "null"
     fieldType := f.fieldType
     if (!fieldType.isNullable)