1 files changed, 39 insertions, 1 deletions
diff --git a/src/js_ast.zig b/src/js_ast.zig
index 8797e4c62..8e388a103 100644
--- a/src/js_ast.zig
+++ b/src/js_ast.zig
@@ -1042,7 +1042,7 @@ pub const E = struct {
     };
 
     pub const Object = struct {
-        properties: []G.Property,
+        properties: []G.Property = &[_]G.Property{},
         comma_after_spread: ?logger.Loc = null,
         is_single_line: bool = false,
         is_parenthesized: bool = false,
@@ -2098,6 +2098,44 @@ pub const Expr = struct {
         }
     }
 
+    pub fn joinAllWithCommaCallback(all: []Expr, comptime Context: type, ctx: Context, callback: (fn (ctx: anytype, expr: anytype) ?Expr), allocator: *std.mem.Allocator) ?Expr {
+        std.debug.assert(all.len > 0);
+        switch (all.len) {
+            1 => {
+                return callback(ctx, all[0]);
+            },
+            2 => {
+                return Expr.joinWithComma(
+                    callback(ctx, all[0]) orelse Expr{
+                        .data = .{ .e_missing = .{} },
+                        .loc = all[0].loc,
+                    },
+                    callback(ctx, all[1]) orelse Expr{
+                        .data = .{ .e_missing = .{} },
+                        .loc = all[1].loc,
+                    },
+                    allocator,
+                );
+            },
+            else => {
+                var i: usize = 1;
+                var expr = callback(ctx, all[0]) orelse Expr{
+                    .data = .{ .e_missing = .{} },
+                    .loc = all[0].loc,
+                };
+
+                while (i < all.len) : (i += 1) {
+                    expr = Expr.joinWithComma(expr, callback(ctx, all[i]) orelse Expr{
+                        .data = .{ .e_missing = .{} },
+                        .loc = all[i].loc,
+                    }, allocator);
+                }
+
+                return expr;
+            },
+        }
+    }
+
     pub fn jsonStringify(self: *const @This(), options: anytype, writer: anytype) !void {
         return try std.json.stringify(Serializable{ .@"type" = std.meta.activeTag(self.data), .object = "expr", .value = self.data, .loc = self.loc }, options, writer);
     }