Breaking changes, rewrite; add support for plain text output and single page mode

layouts/_partials/docs/brand.html

@@ -1,5 +1,5 @@
 <h2 class="book-brand">
-  <a class="flex align-center" href="{{ cond (not .Site.Home.File) hugo.Sites.Default.Home.RelPermalink .Site.Home.RelPermalink }}">
+  <a class="flex align-center" href="{{ partial "docs/links/home" . }}">
     {{- with .Site.Params.BookLogo -}}
     <img src="{{ . | relURL }}" alt="{{ partial "docs/text/i18n" "Logo" }}" />
     {{- end -}}

layouts/_partials/docs/comments.html

@@ -1,2 +1,2 @@
-<!-- This partial can be replaced to support other commenting engines -->
+{{/* This partial can be replaced to support other commenting engines  */}}
 {{ partial "disqus.html" . }}

layouts/_partials/docs/date.html

@@ -1,6 +1,6 @@
-<!--
+{{/*
   Returns formatted date.
   Usage: partial "docs/date" (dict "Date" .Date "Format" .Site.Params.BookDateFormat)
--->
+*/}}
 {{- $format := default "January 2, 2006" .Format -}}
 {{- return (time.Format $format .Date) -}}

layouts/_partials/docs/footer.html

@@ -10,6 +10,15 @@
 {{ end }}
 </div>
 
+<div>
+{{ with .OutputFormats.Get "txt" }}
+	<a class="flex align-center" href="{{ .RelPermalink }}">
+		<img src="{{ partial "docs/icon" "markdown" }}" class="book-icon" alt="{{ partial "docs/text/i18n" "Markdown" }}" />
+		<span>{{ partial "docs/text/i18n" "Source" }}</span>
+	</a>
+{{ end }}
+</div>
+
 <div>
 {{ if and .File .Site.Params.BookEditLink }}
   <a class="flex align-center" href="{{ partial "docs/links/edit" . }}" target="_blank" rel="noopener edit">

layouts/_partials/docs/html-head.html

@@ -47,9 +47,8 @@ https://github.com/alex-shpak/hugo-book
 
 {{ partial "google_analytics.html" . }}
 
-<!-- RSS -->
-{{- with .OutputFormats.Get "rss" -}}
-  {{ printf `<link rel="%s" type="%s" href="%s" title="%s" />` .Rel .MediaType.Type .Permalink $.Site.Title | safeHTML }}
+{{- range .AlternativeOutputFormats -}}
+  {{ printf `<link rel="%s" type="%s" href="%s" title="%s" />` .Rel .MediaType.Type .Permalink $.Title | safeHTML }}
 {{ end -}}
 
 {{- define "integrity" -}}

layouts/_partials/docs/links/home.html

@@ -0,0 +1 @@
+{{ return cond (not .Site.Home.File) hugo.Sites.Default.Home.RelPermalink .Site.Home.RelPermalink }}

layouts/_partials/docs/menu-filetree.html

@@ -1,9 +1,4 @@
-{{ $bookSection := default "docs" .Site.Params.BookSection }}
-{{ if eq $bookSection "*" }}
-  {{ $bookSection = "/" }}{{/* Backward compatibility */}}
-{{ end }}
-
-{{ with .Site.GetPage $bookSection }}
+{{ with (partialCached "docs/menu-section" .Site) }}
   {{ template "book-section-children" (dict "Section" . "CurrentPage" $) }}
 {{ end }}
 

layouts/_partials/docs/menu-hugo.html

@@ -1,7 +1,7 @@
-<!--
+{{/*
   This is template for hugo menus, accepts Page and Menu as context
   https://gohugo.io/variables/menus/
--->
+*/}}
 {{- if .Menu -}}
   {{- template "book-menu-hugo" . -}}
 {{- end -}}

layouts/_partials/docs/menu-section-pages.html

@@ -0,0 +1,16 @@
+{{/* Recursively creates a slice of pages under given page */}}
+
+{{ define "book-menu-recurse" }}
+  {{ if not .Page.Params.BookHidden }}
+    {{ if .Page.Content }}
+      {{ .Scratch.Add "BookPages" (slice .Page) }}
+    {{ end }}
+    {{ range .Page.Pages }}
+      {{ template "book-menu-recurse" (dict "Scratch" $.Scratch "Page" .) }}
+    {{ end }}
+  {{ end }}
+{{ end }}
+
+{{ $scratch := newScratch }}
+{{ template "book-menu-recurse" (dict "Scratch" $scratch "Page" .) }}
+{{ return $scratch.Get "BookPages" }}

layouts/_partials/docs/menu-section.html

@@ -0,0 +1,8 @@
+{{/* returns the section to be rendered as menu */}}
+{{ $bookSection := default "docs" .Params.BookSection }}
+{{ $section := .GetPage (cond (eq $bookSection "*") "/" $bookSection) }}
+{{ if $section }}
+	{{ return $section }}
+{{ else }}
+	{{ errorf "%s: Section '%s' not found, check BookSection theme parameter" $ $bookSection }}
+{{ end }}

layouts/_partials/docs/prev-next-cache.html

@@ -1,14 +0,0 @@
-{{ $scratch := newScratch }}
-{{ template "recurse" (dict "Scratch" $scratch "Sections" .) }}
-{{ define "recurse" }}
-  {{ range .Sections }}
-    {{ if and .Content (not .Params.BookHidden) }}
-      {{ $.Scratch.Add "BookPages" (slice .) }}
-    {{ end }}
-    {{ if .IsSection }}
-      {{ template "recurse" (dict "Scratch" $.Scratch "Sections" .Pages) }}
-    {{ end }}
-  {{ end }}
-{{ end }}
-
-{{ return $scratch.Get "BookPages" }}

layouts/_partials/docs/prev-next.html

@@ -1,14 +1,9 @@
-{{ $bookSection := default "docs" .Site.Params.BookSection  }}
-{{ if eq $bookSection "*" }}
-  {{ $bookSection = "/" }}{{/* Backward compatibility */}}
-{{ end }}
+{{- with (partialCached "docs/menu-section" .Site) -}}
+  {{- $pages := partialCached "docs/menu-section-pages" . -}}
+  {{- $prev := $pages.Next $ -}}
+  {{- $next := $pages.Prev $ -}}
 
-{{ with .Site.GetPage $bookSection }}
-  {{ $pages := partialCached "docs/prev-next-cache" .Pages }}
-  {{ $prev := $pages.Next $ }}
-  {{ $next := $pages.Prev $ }}
-
-  {{- if or $prev $next }}
+  {{- if or $prev $next -}}
   <div class="flex flex-wrap justify-between">
     <span>
     {{ with $prev }}
@@ -27,5 +22,5 @@
     {{ end }}
     </span>
   </div>
-  {{ end -}}
-{{ end }}
+  {{- end -}}
+{{- end -}}

layouts/_partials/docs/text/template.html

@@ -1,8 +1,7 @@
-<!--
+{{/*
   Returns rendered string from template and context.
   Usage: partial "docs/string-template" (dict "Template" "param={{ . }}" "Context" "Input")
--->
-
+*/}}
 {{- $checksum := . | encoding.Jsonify | crypto.SHA1 | printf "book-%s" -}}
 {{- $template := resources.FromString $checksum .Template -}}
 {{- $template = $template | resources.ExecuteAsTemplate $checksum .Context -}}

layouts/_partials/docs/title.html

@@ -1,7 +1,7 @@
-<!-- 
+{{/*
   Partial to generate page name from Title or File name.
   Accepts Page as context
--->
+*/}}
 {{ $title := "" }}
 
 {{ if .LinkTitle }}

layouts/_partials/docs/toc-show.html

@@ -1,5 +1,4 @@
 {{- return and
   (not (eq .Params.bookToC false))
   (not (eq .Site.Params.BookToC false))
-  (not (eq .TableOfContents "<nav id=\"TableOfContents\"></nav>"))
 -}}