Default value not preserved in TypeScript exported binding

[magic-akari]

Describe the bug

Default values are lost when converting TS namespace export bindings.

Input code

namespace Foo {
  export let { a = 1 } = {};
  export const { b = 2 } = {};
}

console.log(Foo.a);
console.log(Foo.b);

Config

{
  "jsc": {
    "parser": {
      "syntax": "typescript"
    },
    "target": "es2022"
  },
  "module": {
    "type": "commonjs"
  },
  "isModule": true,
  "minify": false,
}

Playground link

playground

SWC Info output

N/A

Expected behavior

log 1 and 2

Actual behavior

"use strict";
var Foo;
(function(Foo) {
    ({ a: Foo.a } = {});
    const { b = 2 } = { b: Foo.b } = {};
})(Foo || (Foo = {}));
console.log(Foo.a);
console.log(Foo.b);

log undefined

Version

1.3.90

Additional context

No response

[swc-bot]

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