diff options
Diffstat (limited to 'src/js_parser/js_parser.zig')
| -rw-r--r-- | src/js_parser/js_parser.zig | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/js_parser/js_parser.zig b/src/js_parser/js_parser.zig index fcf3450e1..e69c55ea3 100644 --- a/src/js_parser/js_parser.zig +++ b/src/js_parser/js_parser.zig @@ -9838,10 +9838,12 @@ pub const P = struct { } if (p.options.jsx.development) { - // If we leave it as false, we get a warning about not providing a key - // It calls Object.freeze on the array though - // Which is wasteful! Object.freeze is slow. - args[3] = Expr{ .loc = expr.loc, .data = .{ .e_boolean = .{ .value = e_.children.len == 0 } } }; + // is the return type of the first child an array? + // It's dynamic + // Else, it's static + args[3] = Expr{ .loc = expr.loc, .data = .{ .e_boolean = .{ + .value = e_.children.len == 0 or e_.children.len > 1 or std.meta.activeTag(e_.children[0].data) != .e_array, + } } }; var source = p.allocator.alloc(G.Property, 2) catch unreachable; p.recordUsage(p.jsx_filename_ref); |