René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"vfs: ZipProvider allows creating entries beneath non-directory parents","articleBody":"### Version\n\nmain\n\n### Platform\n\n```text\nmacOS\n```\n\n### Subsystem\n\nvfs\n\n### What steps will reproduce the bug?\n\n```js\nimport { createZipArchive, ZipBuffer, ZipEntry } from 'node:zlib';\nimport { create, ZipProvider } from 'node:vfs';\n\nconst zipEntry = await ZipEntry.create('file.txt', Buffer.from('contents'));\nconst zipArchive = createZipArchive([zipEntry]);\nconst archive = Buffer.concat(await Array.fromAsync(zipArchive));\nconst fs = create(new ZipProvider(new ZipBuffer(archive)));\n\ntry {\n  await fs.promises.writeFile('/file.txt/child.txt', 'hello');\n  console.log('write succeeded');\n} catch (error) {\n  console.log(`${error.code}: ${error.message}`);\n}\n```\n\n### How often does it reproduce? Is there a required condition?\n\nAlways\n\n### What is the expected behavior? Why is that the expected behavior?\n\nIt should fail with `ENOTDIR`\n\n### What do you see instead?\n\n```console\nwrite succeeded\n```\n\nThe write incorrectly succeeds even though `file.txt` is not a directory\n\n### Additional information\n\n_No response_","author":{"url":"https://github.com/trivikr","@type":"Person","name":"trivikr"},"datePublished":"2026-09-05T20:31:34Z","url":"https://github.com/nodejs/node/issues/65828"}