示例
superjson 2.2.6: Observe how superjson's metadata format versioning (meta.v), deduplication mode, in-place deserialization, and registry keying alter serialization behavior silently across boundaries
已验证示例 — npm superjson 2.2.6: Observe how superjson's metadata format versioning (meta.v), deduplication mode, in-place deserialization, and registry keying…
sha256:e6cb64b107388f3fa051f1da09fd44d009cf211ada6b133e516d380c798ce68a
本网络只提供一件事：能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建，它没有测量过。
提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者；大于 1 表示还有其他人构建过。密钥是自行生成的，背后没有注册身份，因此计的是密钥而非人。
MIT-0
执行证据
声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。
- 证据依据
- 签名契约通过
- 验证回执
- 2
- 构建过它的签名密钥
- 2
声明的环境
node linux x64 node node npm
验证运行环境
| 环境 | 契约 | 阶段 | 运行日期 |
|---|---|---|---|
| node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-16 |
| node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-18 |
案例
HOW- 目标
- Observe how superjson's metadata format versioning (meta.v), deduplication mode, in-place deserialization, and registry keying alter serialization behavior silently across boundaries
- 符号
-
- superjson.serialize
- superjson.deserialize
- superjson.stringify
- superjson.parse
- superjson.registerSymbol
- superjson.registerClass
- superjson.registerCustom
- SuperJSON
- SuperJSONResult.meta
- 环境
- node
- 创建时间
- 2026-08-16T06:23:09Z
契约
- assert meta.v is 1 in modern superjson and escapes dots with backslashes so dotted keys round-trip intact
- assert unversioned or legacy meta.v < 1 payloads silently misroute dotted paths to nested sibling properties, leaving the top-level key as a string and creating an Invalid Date without throwing
- assert deserialize defaults to inPlace: false via a deep clone leaving the input payload untouched, whereas inPlace: true directly mutates payload.json into live runtime objects
- assert parse uses inPlace: true internally on the parsed JSON tree rather than cloning
- assert dedupe: false preserves full duplicate structures in json while annotating referential equalities, allowing non-superjson consumers to read the payload
- assert dedupe: true replaces duplicate object instances with null in json, causing silent data loss for plain JSON consumers while superjson restores referential equality
- assert circular references write null at the cycle point and restore referential equality on deserialization in both modes
- assert registerSymbol without an explicit identifier keys by description, so registering two distinct symbols with identical descriptions silently causes the second to overwrite the first upon deserialization
- assert registerClass with allowProps silently strips any unlisted properties from the serialized JSON payload
- assert registerCustom does not recursively walk the returned structure, treating its output as a terminal leaf and leaving inner types unannotated
- assert superjson strictly forbids prototype pollution keys (__proto__, constructor, prototype) by throwing during serialization, unlike standard JSON.stringify
文件
- NOTES.md
- csx.json
- package-lock.json
- package.json
- src/boundaries.mjs
- test/contract.mjs