module: self referential modules in repl or `-r` #32261

dnlup · 2020-03-14T15:26:30Z

Load self-referential modules from the repl and using the preload flag -r.
In both cases, the base path used for resolution is the current process.cwd().

Fix #31595

Checklist

make -j4 test (UNIX), or vcbuild test (Windows) passes
tests and/or benchmarks are included
commit message follows commit guidelines

lib/internal/modules/cjs/loader.js

guybedford

Thanks for working on this @dnlup.

lib/internal/modules/cjs/loader.js

dnlup · 2020-03-30T06:43:10Z

@guybedford I added tests and removed the WIP. I hope I am not forgetting any test case.

lib/internal/modules/cjs/loader.js

test/parallel/test-repl-require-self-referential.js

guybedford

Thanks @dnlup - this seems good to me.

//cc @nodejs/modules-active-members

jkrems

Thanks for making this happen! I feel like this is reaching the limits of inlining the logic though.

lib/internal/modules/cjs/loader.js

dnlup · 2020-04-06T07:20:05Z

I tried to address all your suggestions, could you take another look?

jkrems

Thanks for your patience with this & sorry for the late review feedback. :) LGTM!

lib/internal/modules/cjs/loader.js

test/fixtures/self_ref_module/index.js

lib/internal/modules/cjs/loader.js

ljharb

LGTM!

lib/internal/modules/cjs/loader.js

dnlup · 2020-04-16T07:23:11Z

I have rebased against master

nodejs-github-bot · 2020-04-17T22:29:56Z

CI: https://ci.nodejs.org/job/node-test-pull-request/30823/

dnlup · 2020-06-09T06:50:46Z

rebased the latest changes from master

nodejs-github-bot · 2020-06-21T07:14:29Z

CI: https://ci.nodejs.org/job/node-test-pull-request/31998/

dnlup · 2020-07-02T06:53:03Z

Should I keep this PR open?

ljharb · 2020-07-02T16:22:14Z

It seems like the only barrier to it landing is that CI is failing?

MylesBorins · 2020-07-02T21:20:00Z

I'm going on vacation for a week, but can help with bringing this over the finish line when I get back.

dnlup · 2020-07-03T07:45:43Z

Only the windows build seems to be failing, I don't understand why though, I can't find a specific error message beside the report that the test exited with code 1.

richardlau · 2020-07-03T11:20:34Z

Only the windows build seems to be failing, I don't understand why though, I can't find a specific error message beside the report that the test exited with code 1.

It's #34163. The GitHub actions UI is not good for searching through the logs. I find it easier to search the raw log:

dnlup · 2020-07-03T12:34:24Z

Thank you @richardlau

dnlup · 2020-07-17T07:15:22Z

After rebasing to resolve the conflicts I am getting ERR_INVALID_MODULE_SPECIFIER in my tests. 🙏 Give me some time to investigate this. It looks like this check wasn't there before, there must be something new that I have missed.

lib/internal/modules/esm/resolve.js

guybedford

Just noted one more refactoring here, sorry to be difficult but would just be nice to try keep the arguments primitive for functions where we can.

Otherwise lets get this merged now.

lib/internal/modules/cjs/loader.js

Load self referential modules from the repl and using the preload flag `-r`. In both cases the base path used for resolution is the current `process.cwd()`. Refs: * nodejs#31595

guybedford

Let's get this landed finally...

nodejs-github-bot · 2020-07-23T00:16:50Z

CI: https://ci.nodejs.org/job/node-test-pull-request/32480/

Load self referential modules from the repl and using the preload flag `-r`. In both cases the base path used for resolution is the current `process.cwd()`. Also fixes an internal cycle bug in the REPL exports resolution. PR-URL: #32261 Fixes: #31595 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: Jan Krems <jan.krems@gmail.com>

guybedford · 2020-07-23T14:50:53Z

Landed in ec2ffd6. I also marked this as a bug and regression since it fixes a real "exports" resolution regression in the REPL now. Thanks @dnlup for your persistence here.

dnlup · 2020-07-23T16:01:58Z

Thank you all for the help with this PR.

Load self referential modules from the repl and using the preload flag `-r`. In both cases the base path used for resolution is the current `process.cwd()`. Also fixes an internal cycle bug in the REPL exports resolution. PR-URL: #32261 Fixes: #31595 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: Jan Krems <jan.krems@gmail.com>

Load self referential modules from the repl and using the preload flag `-r`. In both cases the base path used for resolution is the current `process.cwd()`. Also fixes an internal cycle bug in the REPL exports resolution. PR-URL: nodejs#32261 Fixes: nodejs#31595 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: Jan Krems <jan.krems@gmail.com>

Load self referential modules from the repl and using the preload flag `-r`. In both cases the base path used for resolution is the current `process.cwd()`. Also fixes an internal cycle bug in the REPL exports resolution. PR-URL: #32261 Backport-PR-URL: #35385 Fixes: #31595 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: Jan Krems <jan.krems@gmail.com>

dnlup force-pushed the self_referential branch from 58b679c to ae72ed3 Compare March 14, 2020 15:27

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dnlup changed the title ~~[WIP] module: self referential modules in repl or -r~~ module: self referential modules in repl or -r Mar 15, 2020

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dnlup changed the title ~~module: self referential modules in repl or -r~~ [WIP] module: self referential modules in repl or -r Mar 24, 2020

dnlup changed the title ~~[WIP] module: self referential modules in repl or -r~~ module: self referential modules in repl or -r Mar 30, 2020

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dnlup force-pushed the self_referential branch from 9684e99 to fc9022b Compare April 6, 2020 07:13

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dnlup force-pushed the self_referential branch from 43257ad to 86749a2 Compare April 16, 2020 07:22

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module: self referential modules in repl or -r

03c633f

Load self referential modules from the repl and using the preload flag `-r`. In both cases the base path used for resolution is the current `process.cwd()`. Refs: * nodejs#31595

dnlup force-pushed the self_referential branch from 9c0c66e to 03c633f Compare July 22, 2020 12:47

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guybedford added confirmed-bug Issues with confirmed bugs. regression Issues related to regressions. module Issues and PRs related to the module subsystem. labels Jul 23, 2020

guybedford closed this Jul 23, 2020

ruyadorno mentioned this pull request Jul 28, 2020

v14.7.0 proposal #34542

Merged

ZYSzys mentioned this pull request Aug 3, 2020

REPL throws on requiring a package with exports field #34521

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addaleax added the backport-open-v12.x label Sep 28, 2020

codebytere mentioned this pull request Oct 4, 2020

v12.19.0 proposal #35401

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mhdawson mentioned this pull request Jan 18, 2022

pummel/test-worker-take-heapsnapshot - crash in debug mode on arm #41204

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module: self referential modules in repl or `-r` #32261

module: self referential modules in repl or `-r` #32261

dnlup commented Mar 14, 2020 •

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module: self referential modules in repl or -r #32261

module: self referential modules in repl or -r #32261

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module: self referential modules in repl or `-r` #32261

module: self referential modules in repl or `-r` #32261

dnlup commented Mar 14, 2020 •

edited