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{{ping|Ahecht}} a really useful module. Would it possible to follow redirects and give the ID of their target? — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 17:07, 22 June 2021 (UTC)
:{{ping|MSGJ}} It already follows Wikidata redirects. For example {{mlx|ResolveEntityId|entityid|Q404}} returns {{#invoke:ResolveEntityId|entityid|Q404}}. Are you talking about following Wikipedia redirects as well?
::Yes that's what I meant, sorry if I was unclear. It would be great if
::*<nowiki>{{#invoke:ResolveEntityId|entityid|Isla de Útila}}</nowiki> ⇒ Q1572113
::Currently:
::*<nowiki>{{#invoke:ResolveEntityId|entityid|Isla de Útila}}</nowiki> ⇒ {{#invoke:ResolveEntityId|entityid|Isla de Útila}}
::— Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 21:00, 24 June 2021 (UTC)
::{{ping|Ahecht}} this would still be extremely useful, if only as an opt-in. Thanks :) — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 20:54, 23 February 2022 (UTC)
:::@[[User:MSGJ|MSGJ]] I'll put it on my to-do list. --[[User:Ahecht|Ahecht]] ([[User talk:Ahecht|<span style="color:#FFF;background:#04A;display:inline-block;padding:1px;vertical-align:-.3em;font:bold 50%/1 sans-serif;text-align:center">TALK<br />PAGE</span>]]) 05:03, 24 February 2022 (UTC)
:::@[[User:MSGJ|MSGJ]] Looks like I implemented it in the sandbox back in 2021 but never copied it to the main template. It's now {{done}}<!-- Template:ETp -->. --[[User:Ahecht|Ahecht]] ([[User talk:Ahecht|<span style="color:#FFF;background:#04A;display:inline-block;padding:1px;vertical-align:-.3em;font:bold 50%/1 sans-serif;text-align:center">TALK<br />PAGE</span>]]) 22:39, 24 February 2022 (UTC)
::::{{U|Ahecht}} and {{U|MSGJ}}: Something, possibly this change, has resulted in script errors in as many as a few hundred articles. See [[Abatus koehleri]] and {{cl|Pages with script errors}}. – [[User:Jonesey95|Jonesey95]] ([[User talk:Jonesey95|talk]]) 01:30, 25 February 2022 (UTC)
::::Reverted for now. Thanks for letting us know — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 08:28, 25 February 2022 (UTC)
:::::If the reverted edit is restored, perhaps with changes, please consider my response at [[WT:Lua#Lua error with Taxonbar?]]. I don't know if the problem mentioned here had the same root cause as the problem I investigated. [[User:Johnuniq|Johnuniq]] ([[User talk:Johnuniq|talk]]) 08:38, 25 February 2022 (UTC)
Ahecht: while you are debugging this, can you just confirm that if the redirect does have a wikidata item then the module should return that ID. It should only follow the redirect if there is no wikidata item. I may be reading the code wrong, but it seems that line 25 of your sandbox may need changing. Thanks — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 08:48, 25 February 2022 (UTC)
:{{ping|MSGJ|Jonesey95|Johnuniq}} I think I have it resolved now. There was an earlier change to the sandbox before I made my changes that caused an error if there wasn't a Wikipedia sitelink in the Wikidata item (which wasn't in my testcases). I have fixed that issue in my sandbox, and implemented it in {{tl|taxonbar/sandbox}}. I also fixed the sandbox so that it only resolves redirects if a wikidata item doesn't exist. Please test out the new sandbox version, and I can copy it over to the main module. --[[User:Ahecht|Ahecht]] ([[User talk:Ahecht|<span style="color:#FFF;background:#04A;display:inline-block;padding:1px;vertical-align:-.3em;font:bold 50%/1 sans-serif;text-align:center">TALK<br />PAGE</span>]]) 00:14, 26 February 2022 (UTC)
::{{ping|Ahecht}} Please review the history at [[Module:ResolveEntityId/sandbox]] and check the edits I have made. Re [[Module:ResolveEntityId/doc]], you might consider rewriting the examples like the following.<syntaxhighlight lang="lua" indent="1">
local resolveId = require('Module:ResolveEntityId')._id
id = resolveId('Q42')
</syntaxhighlight>
::[[User:Johnuniq|Johnuniq]] ([[User talk:Johnuniq|talk]]) 03:58, 26 February 2022 (UTC)
:::@[[User:Johnuniq|Johnuniq]] Looks good. I simplified the code a little further, and will run some more tests before taking it live. --[[User:Ahecht|Ahecht]] ([[User talk:Ahecht|<span style="color:#FFF;background:#04A;display:inline-block;padding:1px;vertical-align:-.3em;font:bold 50%/1 sans-serif;text-align:center">TALK<br />PAGE</span>]]) 05:28, 26 February 2022 (UTC)
::::My tests on [[Module talk:ResolveEntityId/testcases]] are all working correctly. — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 16:44, 27 February 2022 (UTC)
::::Ahecht: Do you think this is ready to deploy? — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 10:34, 2 March 2022 (UTC)
I don't have an opportunity to fully investigate at the moment but [[Cobble skink]] is showing "Lua error in Module:ResolveEntityId at line 32: attempt to index a nil value" at the bottom due to a recent edit here. Perhaps it's a problem in that article that someone could fix, although the module should show a better message. Every function related to titles or wikidata will potentially return nil or give some other error at some point. It's a shame that code has to be uglified but the fix there would be something like "local title = mw.title.new(...) or error('helpful text here')" then use title.redirectTarget. [[User:Johnuniq|Johnuniq]] ([[User talk:Johnuniq|talk]]) 23:13, 7 March 2022 (UTC)
:It was caused by an empty definition of from1, i.e.
<pre>{{Taxonbar|from1=|from2=Q106918135}}</pre>
:[[Module:Taxonbar]] or this module need to be made more robust so that a blank input does not cause an error — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 18:02, 8 March 2022 (UTC)
== Output for invalid input ==
Could the module be made a bit more robust? If something invalid is passed to the template, e.g.
<pre>{{#invoke:ResolveEntityId|entityid|[[Kouga Dam]]}}</pre>
could it fail gracefully by returning nil? At the moment we are getting "Lua error in Module:ResolveEntityId at line 32: attempt to index a nil value". Cheers — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 09:25, 2 November 2022 (UTC)
:Since I realised I had already requested this previously, I went ahead and made the corrections to the module. Hope there are no side-effects but testcases are working fine. — Martin <small>([[User:MSGJ|MSGJ]] · [[User talk:MSGJ|talk]])</small> 15:34, 2 November 2022 (UTC)
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