Scratch map sort order

support
1

I’m using

$.Scratch.SetInMap "pages" (string (time $page.Params.date).Unix) $page

to populate a dictionary with pages. Afterwards, I want to iterate over that dict.

$range := $.Scratch.GetSortedMapValues "pages"

works, but I need to invert the sort order. How can I do this?

As GetSortedMapValues does not seem to accept additional arguments, I tried multiple solutions:

  • sort ($.Scratch.Get "pages"))
  • sort ($.Scratch.GetSortedMapValues "pages")

Both give:

error calling sort: sequence must be provided

Any ideas on how to iterate over a scratch map in a specified order? Thanks a lot in advance!

2

would try

  • sort ($.Scratch.GetSortedMapValues "pages") "Date" "desc"

HTH

1 Like
3

Thanks for replying! I tried this, unfortunately it doesn’t work.

  • sort ($.Scratch.GetSortedMapValues "pages") "Date" "desc"
  • sort ($.Scratch.GetSortedMapValues "pages") "key" "desc"
  • sort ($.Scratch.GetSortedMapValues "pages") "value" "desc"

All give the same error:

executing "main" at <sort ($.Scratch.GetSortedMapValues "pages") "Date" "desc">: error calling sort: sequence must be provided

When running just {{ ($.Scratch.GetSortedMapValues "pages") }}, I get:

[Page(/termine/test1.md) Page(/termine/test2.md)]

This does look like a sequence to me. Or am I missing something?

I also tried running {{ ($.Scratch.Get "pages") }} which gives:

map[1648544400:Page(/termine/test1.md) 1648978200:Page(/termine/test2.md)]

But calling sort on that:

  • sort ($.Scratch.Get "pages")
  • sort ($.Scratch.Get "pages") "key"
  • sort ($.Scratch.Get "pages") "value"
  • sort ($.Scratch.Get "pages") "desc"
  • sort ($.Scratch.Get "pages") "value" "desc"
  • sort ($.Scratch.Get "pages") "date" "desc"

also always results in that same error.

Thanks a lot for any ideas!

4 
{{ $pages := .Scratch.GetSortedMapValues "pages" }}
{{ range seq (sub (len $pages) 1) 0 }}
  {{ with index $pages . }}
    <a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a><br>
  {{ end }}
{{ end }}
1 Like
5

Hi, thanks for your reply! It still failed at len $pages:

executing "main" at <len $mypages>: error calling len: reflect: call of reflect.Value.Type on zero Value

However, that gave me the hint that probably the layout gets called by hugo for an empty list, and by surrounding the code with

{{ with .Pages }}
[...]
{{ end }}

the error message disappears. If only hugo could print debug output to the console, I would have noticed this earlier.

Now I can even sort the scratch map as simple as

sort ($.Scratch.Get "pages")

however, I still can’t get it to sort descending by key. The manual only describes how to sort ascending by key or descending by value, any ideas?

Thanks a lot!

6

The example I provided works. Try it:

git clone --single-branch -b hugo-forum-topic-38523 https://github.com/jmooring/hugo-testing hugo-forum-topic-38523
cd hugo-forum-topic-38523
hugo server

And look at layouts/_default/home.html.

If you need additional assistance, please provide a link to the public repository for your project.

1 Like
7

Yes, you’re right. I didn’t see that the seq inverts the sort order by iterating from n to 0. Thanks a lot for your work!

8

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