Most elegant way to match the case of 'this site is monolingual , OR context is within the default lang of a multi-lingual site'?

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1

TLDR:
What is the cleanest or most (performant|elegant|ubiquitous|comprehensible) way to, from within a partial / template, arrive at a boolean answer for:

??? Am I either a monolingual deployment, or currently operating within the context of the default language for a multi-lingual site ???

This comes up because while trying to tease apart some unrelated … lets call them “problems of my own making” … in my codebase, I’ve encountered an odd question.

in this specific manifestation, I’m attempting to generate a site webmanifest. This only should run once. against whatever is configured as the default language, since the asset must reside in a known consistent location relative to webroot, and I’ve not seen a pattern of them being generated for other languages…

(while I concede that were the site leveraging hostname/fqdn related isolation for multi-lang it would be possible… I’m trying NOT to tangent )

My site.webmanifest template is generated as a output format of home … which means that, for this case, this works:

{{- if or ( not hugo.IsMultilingual ) ( and hugo.IsMultilingual  (eq . .Sites.Default.Home )) -}}

to conditionally activate the template when a site is NOT multi-lingual OR, if it IS, then only for the default language.

This works.
I’m fine keeping it as is.

However, it feels like there’s likely a more ubiquitous and elegant way of assessing if the current context matches ‘default lang’ regardless of a site’s language diversity… and it felt worth asking… There’s a lot of useful attributes in these functions/methods,
hugo.isMultilingual
hugo.isMultihost
.Site.Languages
.Site.Language.Lang

but none of them seem to have a path to test for default (also possible I’m just missing something REALLY obvious)

I’d thought that the page scoped .Language.Lang would work, but I couldn’t find a consistent way to divine “the default language” which didn’t involve its own bag of logic contortions, which didn’t result in a less obtuse/convoluted test at the end.

Assessing .Site.Params.defaultContentLanguage as inferred here as a consistent parameter wasn’t working for me

(I’m not entirely sure why… Its entirely possible I was jus experiencing a moment of exceptional lysdexia or something, but I wasn’t having much luck regardless of capitalization, and pivoted when I saw that .Sites.Default.Home was a thing)

WARN  Not generating webmanifest. lang: en defaultlangparamval: %!s(<nil>)
WARN  Not generating webmanifest. lang: brk defaultlangparamval: %!s(<nil>)

themes/myterriblycodedtheme/config/_default/params.yaml:

defaultcontentlanguage: en
defaultContentlanguage: en
defaultContentLanguage: en

Hope y’all are having an astounding day.

-:wolf:W

2

I understand you want to test for “Am I processing an object of the default language”

So I would go with the site global function and test if I am on the default one.

{{ if eq site site.Sites.Default }}
  {{ /* Default langauge */ }}
{{ else }}
  {{ /* Other Language */ }}
{{ end }}
  • there’s also a Default Site for a monolingual site
  • using global site function makes the check independent of current context
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