themes: book: apply search hotfix from upstream (#17)

This fixes the search by applying the hotfix from upstream alex-shpak/hugo-book@26fee55 See issue alex-shpak/hugo-book#528 upstream for more details. Closes #16
trailofbits · Aug 7, 2023 · 08a2e28 · 08a2e28 · simonpkerr · Mar 25, 2024
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diff --git a/..._50fc8c04e12a2f59027287995557ceff.content → ..._e129fe35b8d0a70789c8a08429469073.content b/..._50fc8c04e12a2f59027287995557ceff.content → ..._e129fe35b8d0a70789c8a08429469073.content
diff --git a/...css_50fc8c04e12a2f59027287995557ceff.json → ...css_e129fe35b8d0a70789c8a08429469073.json b/...css_50fc8c04e12a2f59027287995557ceff.json → ...css_e129fe35b8d0a70789c8a08429469073.json
diff --git a/themes/book/assets/search-data.json b/themes/book/assets/search-data.json
@@ -1,7 +1,9 @@
 [
 {{- $pages := where .Site.Pages "Kind" "in" (slice "page" "section") -}}
 {{- $pages = where $pages "Params.booksearchexclude" "!=" true -}}
-{{- $pages = where $pages "Content" "not in" (slice nil "") -}}
+{{/* Remove until we know why it does not work, see https://github.com/alex-shpak/hugo-book/issues/528 */}}
+{{/*- $pages = where $pages "Content" "not in" (slice nil "") -*/}}
+{{- $pages = where $pages "Content" "!=" "" -}}
 
 {{ range $index, $page := $pages }}
 {{ if gt $index 0}},{{end}} {