René's URL Explorer Experiment


Title: Better error message for invalid directory import · Issue #33219 · nodejs/node · GitHub

Open Graph Title: Better error message for invalid directory import · Issue #33219 · nodejs/node

X Title: Better error message for invalid directory import · Issue #33219 · nodejs/node

Description: The following test case was brought up by @addaleax esm.mjs: import mod from './'; console.log(mod); where node esm.mjs fails with TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension "" for /tmp/test/ at Loader.defaultGetForma...

Open Graph Description: The following test case was brought up by @addaleax esm.mjs: import mod from './'; console.log(mod); where node esm.mjs fails with TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension "" ...

X Description: The following test case was brought up by @addaleax esm.mjs: import mod from './'; console.log(mod); where node esm.mjs fails with TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file exten...

Opengraph URL: https://github.com/nodejs/node/issues/33219

X: @github

direct link

Domain: github.com

Hey, it has json ld scripts: 
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Better error message for invalid directory import","articleBody":"The following test case was brought up by @addaleax \r\n\r\nesm.mjs:\r\n\r\n```js\r\nimport mod from './';\r\n\r\nconsole.log(mod);\r\n```\r\n\r\nwhere `node esm.mjs` fails with\r\n\r\n```\r\nTypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension \"\" for /tmp/test/\r\n    at Loader.defaultGetFormat [as _getFormat] (internal/modules/esm/get_format.js:65:15)\r\n```\r\n\r\nWe should ensure the error message here provides the correct steps to resolve the issue.","author":{"url":"https://github.com/guybedford","@type":"Person","name":"guybedford"},"datePublished":"2020-05-03T08:08:29Z","url":"https://github.com/nodejs/node/issues/33219"}
react-profiling0
react-import-mapreact,react-dom,react-dom/client,react-dom/profiling,react-is,react-reconciler,react/compiler-runtime,react/jsx-dev-runtime,react/jsx-runtime,scheduler@d5750093facf
route-pattern/_view_fragments/issues/show/:user_id/:repository/:id/issue_layout(.:format)
route-controllervoltron_issues_fragments
route-actionissue_layout
fetch-noncev2:1dd8fa17-de0b-99ff-28fc-54a83b18738b
current-catalog-service-hash81bb79d38c15960b92d99bca9288a9108c7a47b18f2423d0f6438c5b7bcd2114
request-id812A:254A2:A446D2:DB0888:6AED3386
html-safe-nonce4482b772bb4b52781889e5c80b498041a6a9bab1205ac1bcf0c0a3f61b474526
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4MTJBOjI1NEEyOkE0NDZEMjpEQjA4ODg6NkFFRDMzODYiLCJ2aXNpdG9yX2lkIjoiODUwMDM2NTcxODAxMDU0MDkzNCIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac3b3a0178dfe36c0b46039af0a35170ca14d884ac972366085fab44a34e8ea841
hovercard-subject-tagissue:611358443
github-keyboard-shortcutsrepository,issues,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/issues_fragments/issue_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/issues/show/nodejs/node/33219/issue_layout
twitter:imagehttps://opengraph.githubassets.com/32ce0148d98c01f7abca7f155c27e89f9b4577d921a081bc859b55cd345c5ac2/nodejs/node/issues/33219
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/32ce0148d98c01f7abca7f155c27e89f9b4577d921a081bc859b55cd345c5ac2/nodejs/node/issues/33219
og:image:altThe following test case was brought up by @addaleax esm.mjs: import mod from './'; console.log(mod); where node esm.mjs fails with TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension "" ...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameguybedford
hostnamegithub.com
expected-hostnamegithub.com
Nonee51d0b7b5ab34b1688c05b54c3ed17b8658b2fa9bca973a9c740683ccb12cf4a
turbo-cache-controlno-preview
go-importgithub.com/nodejs/node git https://github.com/nodejs/node.git
octolytics-dimension-user_id9950313
octolytics-dimension-user_loginnodejs
octolytics-dimension-repository_id27193779
octolytics-dimension-repository_nwonodejs/node
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id27193779
octolytics-dimension-repository_network_root_nwonodejs/node
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release59ebb7b901cc154ecc179a44f266fcf69f343b30
ui-targetfull
theme-color#1e2327
color-schemelight dark
react-app-nameissues

Links:

Skip to contenthttps://github.com/nodejs/node/issues/33219#start-of-content
https://github.com/
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fnodejs%2Fnode%2Fissues%2F33219
GitHubRepository hosting, code review, and collaborationhttps://github.com/platform
CopilotAI coding agent for tasks, projects, and automated workhttps://github.com/features/copilot
ActionsCI/CD and automationhttps://github.com/features/actions
Code QualityQuality analysis, fixes, and enforcementhttps://github.com/features/code-quality
CodespacesCloud development environmentshttps://github.com/features/codespaces
Code SecurityVulnerability detection and remediationhttps://github.com/security/advanced-security/code-security
Secret ProtectionSecret scanning and leak preventionhttps://github.com/security/advanced-security/secret-protection
All Featureshttps://github.com/features
Documentationhttps://docs.github.com/en
Traininghttps://learn.github.com/skills
Certificationshttps://learn.github.com/credentials
Build with Copilothttps://github.com/features/ai
Customize Copilothttps://docs.github.com/en/copilot/how-tos/copilot-on-github/customize-copilot/customize-copilot-overview
Integrationshttps://github.com/marketplace
Trending reposhttps://github.com/trending
GitHub Sponsorshttps://github.com/open-source/sponsors
Developer articleshttps://github.com/resources/articles
ChangelogYour source for the latest features, improvements, and fixes across GitHub products, all in one place.https://github.blog/changelog/
Enterpriseshttps://github.com/enterprise
Teamhttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
See all industrieshttps://github.com/solutions/industry
Why GitHubhttps://github.com/why-github
Customer Storieshttps://github.com/customer-stories
Business insightshttps://github.com/solutions/executive-insights
Trust Centerhttps://github.com/trust-center
GitHub Advanced SecurityEnterprise-grade code securityhttps://github.com/security/advanced-security
Copilot for businessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Documentationhttps://docs.github.com/en
Resource centerhttps://github.com/resources
Bloghttps://github.blog/
Events & webinarshttps://github.com/resources/events
Community Forumhttps://github.com/orgs/community/discussions
Customer Storieshttps://github.com/customer-stories
Integrationshttps://github.com/marketplace
Customer supporthttps://help.github.com/
Traininghttps://learn.github.com/skills
GitHub Statushttps://www.githubstatus.com/
Abouthttps://github.com/about
Partnershttps://github.com/partners
Changeloghttps://github.blog/changelog/
GitHub UniverseThe event for developers, by developers — talks, workshops, and what’s next for GitHub.https://githubuniverse.com/
Pricinghttps://github.com/pricing
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fnodejs%2Fnode%2Fissues%2F33219
Sign uphttps://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fissues_fragments%2Fissue_layout&source=header-repo&source_repo=nodejs%2Fnode
Reloadhttps://github.com/nodejs/node/issues/33219
Reloadhttps://github.com/nodejs/node/issues/33219
Reloadhttps://github.com/nodejs/node/issues/33219
nodejshttps://github.com/nodejs
nodehttps://github.com/nodejs/node
Codehttps://github.com/nodejs/node
Issues656 (656)https://github.com/nodejs/node/issues
Pull requests665 (665)https://github.com/nodejs/node/pulls
Actionshttps://github.com/nodejs/node/actions
Projectshttps://github.com/nodejs/node/projects
Security and qualityhttps://github.com/nodejs/node/security
Insightshttps://github.com/nodejs/node/pulse
https://github.com/nodejs/node
New issuehttps://github.com/login?return_to=https://github.com/nodejs/node/issues/33219
New issuehttps://github.com/login?return_to=https://github.com/nodejs/node/issues/33219
Better error message for invalid directory importhttps://github.com/nodejs/node/issues/33219#top
esmIssues and PRs related to the ECMAScript Modules implementation.https://github.com/nodejs/node/issues?q=state%3Aopen%20label%3A%22esm%22
https://github.com/guybedford
guybedfordhttps://github.com/guybedford
on May 3, 2020https://github.com/nodejs/node/issues/33219#issue-611358443
@addaleaxhttps://github.com/addaleax
guybedfordhttps://github.com/guybedford
esmIssues and PRs related to the ECMAScript Modules implementation.https://github.com/nodejs/node/issues?q=state%3Aopen%20label%3A%22esm%22
on May 3, 2020https://github.com/nodejs/node/issues/33219#event-3297177658
guybedfordhttps://github.com/guybedford
completedhttps://github.com/nodejs/node/issues?q=is%3Aissue%20state%3Aclosed%20archived%3Afalse%20reason%3Acompleted
985e9c5https://github.com/nodejs/node/commit/985e9c5fe535e31fb26665dce7c0659b4ae61d21
on May 16, 2020https://github.com/nodejs/node/issues/33219#event-3343122703
guybedfordhttps://github.com/guybedford
on May 16, 2020https://github.com/nodejs/node/issues/33219#event-3343122707
esm: improve commonjs hint on module not foundhttps://github.com/nodejs/node/commit/1cb80d1e0590eeb3daf495bddfcf5237a99aa9b7
1cb80d1https://github.com/nodejs/node/commit/1cb80d1e0590eeb3daf495bddfcf5237a99aa9b7
codebyterehttps://github.com/codebytere
on May 16, 2020https://github.com/nodejs/node/issues/33219#event-3343910887
module: add specific error for dir importhttps://github.com/nodejs/node/commit/35aae319689a073838b845ea50d7c45631ddfc39
35aae31https://github.com/nodejs/node/commit/35aae319689a073838b845ea50d7c45631ddfc39
esm: improve commonjs hint on module not foundhttps://github.com/nodejs/node/commit/e53de96a8974099ca01b51870d44de2f2604ff1c
e53de96https://github.com/nodejs/node/commit/e53de96a8974099ca01b51870d44de2f2604ff1c
codebyterehttps://github.com/codebytere
on Jun 7, 2020https://github.com/nodejs/node/issues/33219#event-3416911839
module: add specific error for dir importhttps://github.com/nodejs/node/commit/9cc7b242cdb56a348a80ed0d0ca49e4a685dbb63
9cc7b24https://github.com/nodejs/node/commit/9cc7b242cdb56a348a80ed0d0ca49e4a685dbb63
esm: improve commonjs hint on module not foundhttps://github.com/nodejs/node/commit/1c238b62fcda7f9d5fbde811f1bb57787776db4c
1c238b6https://github.com/nodejs/node/commit/1c238b62fcda7f9d5fbde811f1bb57787776db4c
module: add specific error for dir importhttps://github.com/codebytere/node/commit/4f6e4ae49d6d8da7c0f87d09e746e53a2726c21d
4f6e4aehttps://github.com/codebytere/node/commit/4f6e4ae49d6d8da7c0f87d09e746e53a2726c21d
esm: improve commonjs hint on module not foundhttps://github.com/nodejs/node/commit/a029dca90ee749297ac24668b3321ddb504d3eb7
a029dcahttps://github.com/nodejs/node/commit/a029dca90ee749297ac24668b3321ddb504d3eb7
sjarmakhttps://github.com/sjarmak
on Jul 27, 2026https://github.com/nodejs/node/issues/33219#event-28561493861
module: add specific error for dir importhttps://github.com/sg-evals/nodejs-node/commit/985e9c5fe535e31fb26665dce7c0659b4ae61d21
985e9c5https://github.com/sg-evals/nodejs-node/commit/985e9c5fe535e31fb26665dce7c0659b4ae61d21
Sign up for freehttps://github.com/signup?return_to=https://github.com/nodejs/node/issues/33219
Sign in to commenthttps://github.com/login?return_to=https://github.com/nodejs/node/issues/33219
esmIssues and PRs related to the ECMAScript Modules implementation.https://github.com/nodejs/node/issues?q=state%3Aopen%20label%3A%22esm%22
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.