René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"schemeless builtins crash CJS loader","articleBody":"### Version\n\n22.15.0\n\n### Platform\n\n```text\nDarwin TK46XHNX04 24.5.0 Darwin Kernel Version 24.5.0: Tue Apr 22 19:54:49 PDT 2025; root:xnu-11417.121.6~2/RELEASE_ARM64_T6000 arm64\n```\n\n### Subsystem\n\n_No response_\n\n### What steps will reproduce the bug?\n\n```js\nconst { registerHooks } = require('node:module')\n\nregisterHooks({\n  resolve: (specifier, context, nextResolve) =\u003e {\n    console.log(`Resolving specifier: ${specifier}`);\n    return nextResolve(specifier, context);\n  },\n  load: (url, context, nextLoad) =\u003e {\n    console.log(`Loading URL: ${url}`);\n    debugger\n    return nextLoad(url, context);\n  }\n})\n```\n\n```sh\nnode -r ./loader-hook.js -e \"require('node:test')\"\n```\n\n### How often does it reproduce? Is there a required condition?\n\nThis happens for all the schemeless builtins\n\n```js\nconst schemelessBlockList = new SafeSet([\n  'sea',\n  'sqlite',\n  'quic',\n  'test',\n  'test/reporters',\n]);\n```\n\n### What is the expected behavior? Why is that the expected behavior?\n\nThe resolve/loader hooks do not crash\n\n### What do you see instead?\n\n```sh\n❯ node -r ./loader-hook.js -e \"require('node:sea')\"\nResolving specifier: module\nLoading URL: node:module\nResolving specifier: node:sea\nLoading URL: sea\nnode:internal/modules/customization_hooks:276\n    throw new ERR_INVALID_RETURN_PROPERTY_VALUE(\n    ^\n\nTypeError [ERR_INVALID_RETURN_PROPERTY_VALUE]: Expected a string, an ArrayBuffer, or a TypedArray to be returned for the \"source\" from the \"load\" hook but got null.\n    at validateLoad (node:internal/modules/customization_hooks:276:11)\n    at nextStep (node:internal/modules/customization_hooks:190:14)\n    at load (/Users/revans/loader-hook.js:14:12)\n    at nextStep (node:internal/modules/customization_hooks:185:26)\n    at loadWithHooks (node:internal/modules/customization_hooks:348:18)\n    at loadBuiltinWithHooks (node:internal/modules/cjs/loader:1164:24)\n    at Function._load (node:internal/modules/cjs/loader:1216:20)\n    at TracingChannel.traceSync (node:diagnostics_channel:322:14)\n    at wrapModuleLoad (node:internal/modules/cjs/loader:235:24)\n    at Module.require (node:internal/modules/cjs/loader:1487:12) {\n  code: 'ERR_INVALID_RETURN_PROPERTY_VALUE'\n}\n\nNode.js v22.15.0\n```\n\n### Additional information\n\n_No response_","author":{"url":"https://github.com/bizob2828","@type":"Person","name":"bizob2828"},"datePublished":"2025-06-06T17:53:42.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/58607/node/issues/58607"}