{
  "name": "@ungap/structured-clone",
  "url": "https://canirequire.com/package/@ungap/structured-clone/",
  "description": "A structuredClone polyfill",
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  "latestPublished": "2026-08-27T08:46:12.636Z",
  "format": "esm-only",
  "summary": "@ungap/structured-clone@1.4.0 is ESM-only. @ungap/structured-clone has been ESM-only since its first stable release. There is no version you can require() on Node.js 18 or older. On Node.js 20.19+, 22.12+ and every newer release, require(\"@ungap/structured-clone\") works anyway: Node can load synchronous ES modules through require(). Verified on Node 20, 22, 24, 26. Node.js 18 and older still fail with ERR_REQUIRE_ESM.",
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  "esmOnlySinceDate": "2021-10-29T18:41:57.277Z",
  "lastCommonJsVersion": null,
  "lastCommonJsDate": null,
  "nativeEsmSince": "0.0.0",
  "types": "definitely-typed",
  "nodeEngines": null,
  "deprecated": null,
  "license": "ISC",
  "repository": "https://github.com/ungap/structured-clone",
  "weeklyDownloads": null,
  "runtime": {
    "verifiedAt": "2026-09-09T15:35:04.402Z",
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        "require": true,
        "import": true,
        "requireError": null,
        "importError": null
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      "20": {
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        "import": true,
        "requireError": null,
        "importError": null
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        "import": true,
        "requireError": null,
        "importError": null
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        "import": true,
        "requireError": null,
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        "import": true,
        "requireError": null,
        "importError": null
      }
    },
    "bun": {
      "require": true,
      "import": true,
      "requireError": null,
      "importError": null
    }
  },
  "formatHistory": [
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      "version": "1.3.4",
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      "version": "1.3.0",
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      "published": "2025-01-23T14:13:01.275Z"
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      "published": "2024-12-07T20:39:06.273Z"
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}