Local mirror?

[dakami]

It's pretty easy to end up w/ a dependency you haven't already built, and you'll time out before cloudflare gives up on you:

wget -S -O - https://dev.jspm.io/plotly.js
--2018-08-12 10:05:15-- https://dev.jspm.io/plotly.js
Resolving dev.jspm.io (dev.jspm.io)... 104.18.62.242, 104.18.63.242, 2400:cb00:2048:1::6812:3ef2, ...
Connecting to dev.jspm.io (dev.jspm.io)|104.18.62.242|:443... connected.
HTTP request sent, awaiting response...
HTTP/1.1 502 Bad Gateway
Date: Sun, 12 Aug 2018 17:05:36 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 4126
Connection: keep-alive
Set-Cookie: __cfduid=d4b6efa3f1cd70be13275b5f7f2659ba21534093515; expires=Mon, 12-Aug-19 17:05:15 GMT; path=/; domain=.jspm.io; HttpOnly
CF-Cache-Status: MISS
Vary: Accept-Encoding
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Set-Cookie: cf_ob_info=502:449486996933933c:SJC; path=/; expires=Sun, 12-Aug-18 17:06:06 GMT
Set-Cookie: cf_use_ob=443; path=/; expires=Sun, 12-Aug-18 17:06:06 GMT
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Server: cloudflare
CF-RAY: 449486996933933c-SJC
2018-08-12 10:05:36 ERROR 502: Bad Gateway.

I don't mind throwing up a local server, but unlike browserfy-cdn, there's no tips how to do that. I've actually gotten some pretty nice stuff going with your code, see:

https://codepen.io/dakami/pen/ejxabR?editors=1000

But it really only works for a handful of modules right now.

[guybedford]

One of those files, this one in fact - https://unpkg.com/[email protected]/src/components/legend/style.js is causing an overflow on the transforms and is actually crashing its transform process using up 1GB of memory, and hence your timeout (notice it does the same for unpkg!).

Will look into a better failure scenario here.

The software is currently not open source, and will only be open source when jspm 2.0 is release (this is the whole reason for the jspm CLI to provide workflow equivalence), but I'm open to providing paid licenses in the mean time to help sponsor the development further to get jspm 2.0 out the door.

[guybedford]

Ok, it turns out this is due to the explosive memory usage of Babel running 10s of transforms at the same time, and not any actual transform loop recursion issue.

I've upped the per-node memory and ensured the worker count is within safe memory limits for Babel.

If for example you try loading another version of Plotly it seems to work within the limits for me now (given that that version is previously fully uncached).

Please let me know if you notice anything odd, handling these recovery cases well is important.

[guybedford]

To explain the timing issues here further - when the out-of-memory crash happened, the task timeout takes 5 minutes to clear the task queue and restart the failed operation.

I'll be working on better handling for purging tasks whose transform process has crashed for any reason, which would avoid this as well.