module: prefer async/await in https imports by benjamingr · Pull Request #41950 · nodejs/node · GitHub

cc @bmeck @nodejs/modules

This PR refactors the fetch_module fetchWithRedirects function to use the new modern facilities for streams:

compose instead of pipe for simplified and "more easily correct" error handling on the body stream cc @ronag .
async/await over new Promise.
toArray() on the response body instead of manually.

Note this can probably be further simplified by always caching the promise (and never the value) and by moving the "memoize" functionality to a helper).

Fixes: #41950

Review requested:

@nodejs/modules

cc @JakobJingleheimer

Some minor style notes, I haven’t reviewed in depth.

@GeoffreyBooth fixed + added http 404 handling

Note this can probably be further simplified by always caching the promise (and never the value) and by moving the "memoize" functionality to a helper).

This is actually a bit complicated since import.meta.url needs the value synchronously for the response location after all redirects so it actually relies on storing the value for now.

This is actually a bit complicated since import.meta.url needs the value synchronously for the response location after all redirects so it actually relies on storing the value for now.

Ah, mind if I add a comment to the code explaining that around the cacheForGET code?

Ah, mind if I add a comment to the code explaining that around the cacheForGET code?

I'm all for comments

Added both comments.

Oow, fancy. Much cleaner than .on(…) 🙌

Suggested change

      
             * It caches either the promise or the cahce entry since import.meta.url needs
          
             * It caches either the promise or the cache entry since import.meta.url needs

@bmeck @nodejs/modules this could use some reviews :)

Can we get a 404 test though to land?

Added test :)

CI: https://ci.nodejs.org/job/node-test-pull-request/42625/

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----------------------------------- PR info ------------------------------------
Title      module: prefer async/await in https imports (#41950)
Author     Benjamin Gruenbaum  (@benjamingr)
Branch     benjamingr:use-async-await-in-fetch-module -> nodejs:master
Labels     esm, needs-ci
Commits    1
 - module: prefer async/await in https imports
Committers 1
 - Benjamin Gruenbaum 
PR-URL: https://github.com/nodejs/node/pull/41950
Fixes: https://github.com/nodejs/node/issues/41950
Reviewed-By: Guy Bedford 
Reviewed-By: James M Snell 
------------------------------ Generated metadata ------------------------------
PR-URL: https://github.com/nodejs/node/pull/41950
Fixes: https://github.com/nodejs/node/issues/41950
Reviewed-By: Guy Bedford 
Reviewed-By: James M Snell 
--------------------------------------------------------------------------------
   ⚠  Commits were pushed since the last review:
   ⚠  - module: prefer async/await in https imports
   ℹ  This PR was created on Sat, 12 Feb 2022 18:50:10 GMT
   ✔  Approvals: 2
   ✔  - Guy Bedford (@guybedford): https://github.com/nodejs/node/pull/41950#pullrequestreview-884778590
   ✔  - James M Snell (@jasnell) (TSC): https://github.com/nodejs/node/pull/41950#pullrequestreview-889949951
   ✔  Last GitHub CI successful
   ℹ  Last Full PR CI on 2022-02-23T18:10:07Z: https://ci.nodejs.org/job/node-test-pull-request/42748/
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https://github.com/nodejs/node/actions/runs/1889467631

Landed in 7efef74 🎉

PR-URL: #41950 Fixes: #41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

PR-URL: nodejs#41950 Fixes: nodejs#41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

This is failing in the v16.x branch; let me work in a backport for this:

/node --inspect --experimental-network-imports --dns-result-order=ipv4first test/es-module/test-http-imports.mjs                                                                                 
Debugger listening on ws://127.0.0.1:9229/924045ba-ef66-4869-84bf-085849cbf26b                                                                                                                      
For help, see: https://nodejs.org/en/docs/inspector                                                                                                                                                 
node:internal/errors:465                                                                                                                                                                            
    ErrorCaptureStackTrace(err);                                                                                                                                                                    
    ^                                                                                                                                                                                               
                                                                                                                                                                                                    
TypeError [ERR_INVALID_ARG_TYPE]: The "list" argument must be an instance of Array. Received an instance of Buffer                                                                                  
    at concat (node:buffer:537:3)                                                                                                                                                                   
    at node:internal/modules/esm/fetch_module:165:24                                                                                                                                                
    at processTicksAndRejections (node:internal/process/task_queues:96:5)                                                                                                                           
    at async node:internal/modules/esm/fetch_module:171:7                                                                                                                                           
    at async defaultLoad (node:internal/modules/esm/load:21:14)                                                                                                                                         at async ESMLoader.load (node:internal/modules/esm/loader:407:20)                                                                                                                               
    at async ESMLoader.moduleProvider (node:internal/modules/esm/loader:326:11)                                                                                                                     
    at async link (node:internal/modules/esm/module_job:70:21) {                                                                                                                                    
  code: 'ERR_INVALID_ARG_TYPE'                                                                                                                                                                      
}

Looks like the toArray() method is returning the Buffer not the array, see: https://github.com/nodejs/node/pull/41553/files#diff-00d8d040a3fe90e3052af39cb55dc9bcac70539d5d17791449cbfe7e3b55fb90R1903-R1904

PR-URL: #41950 Fixes: #41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

PR-URL: nodejs/node#41950 Fixes: nodejs/node#41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

nodejs-github-bot added esm Issues and PRs related to the ECMAScript Modules implementation. needs-ci PRs that need a full CI run. labels Feb 12, 2022

benjamingr mentioned this pull request Feb 12, 2022

HTTP imports not found error #41948

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GeoffreyBooth requested a review from bmeck February 13, 2022 00:03

GeoffreyBooth reviewed Feb 13, 2022

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guybedford approved these changes Feb 16, 2022

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This was referenced Feb 17, 2022

CI Reliability 2022-02-17 nodejs/reliability#205

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module: prefer async/await in https imports

7efef74

PR-URL: #41950 Fixes: #41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

sxa pushed a commit to sxa/node that referenced this pull request Mar 7, 2022

module: prefer async/await in https imports

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PR-URL: nodejs#41950 Fixes: nodejs#41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

sxa mentioned this pull request Mar 8, 2022

v17.7.0 release proposal #42254

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xtx1130 pushed a commit to xtx1130/node that referenced this pull request Apr 25, 2022

module: prefer async/await in https imports

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PR-URL: nodejs#41950 Fixes: nodejs#41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

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targos pushed a commit that referenced this pull request Jul 19, 2022

module: prefer async/await in https imports

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PR-URL: #41950 Fixes: #41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

targos pushed a commit that referenced this pull request Jul 31, 2022

module: prefer async/await in https imports

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PR-URL: #41950 Fixes: #41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

targos mentioned this pull request Aug 3, 2022

v16.17.0 release proposal #44098

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guangwong pushed a commit to noslate-project/node that referenced this pull request Oct 10, 2022

module: prefer async/await in https imports

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PR-URL: nodejs/node#41950 Fixes: nodejs/node#41950 Reviewed-By: Guy Bedford <guybedford@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>

	* It caches either the promise or the cahce entry since import.meta.url needs
	* It caches either the promise or the cache entry since import.meta.url needs

module: prefer async/await in https imports by benjamingr · Pull Request #41950 · nodejs/node · GitHub

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module: prefer async/await in https imports#41950
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