Add "param" shortcode

[bep]

Looking something like this:

{{- $name := .Get 0 -}}
{{- with (.Page.Param $name }}{{ . }}{{ else }}{{ errorf "param %q not found in %q" $name .Page.Path }}{{ end -}} 

[kaushalmodi]

Should there be a site params alternative too? Maybe pparam and sparam?

[bep]

Should there be a site params alternative too? Maybe pparam and sparam?

I assume you know that the above snippet will fall back to Site param if not found in Page. This is the common requirement. I don't want to add more until I see some neon ads on Time Square in New York saying "we want pparam in Hugo now!" It adds documentation work and those people who really need it can easily add it themselves.

[bep]

That said, this shortcode should probably have an optional second argument with a default value if not found.

[kaushalmodi]

I assume you know that the above snippet will fall back to Site param if not found in Page.

Yes, I read about there somewhere in the docs. But I got misled by the error message {{ errorf "param %q not found in %q" $name .Page.Path }}. Should the error then say that that $name param was not found in both .Site and .Page params?

this shortcode should probably have an optional second argument with a default value if not found.

That will be cool!

[bep]

Should the error then say that that $name param was not found in both .Site and .Page params?

This is an issue asking for a shortcode. This is not the implementation. I quickly wrote that error text and it could be cluearer, but the important info elements are the name of the param and the page path ... Then it should be easy to navigate.

[github-actions]

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