From 289a3f456e771194cc18606051f113962f7e86c1 Mon Sep 17 00:00:00 2001
From: Alex Shpak <alex-shpak@users.noreply.github.com>
Date: Sat, 7 Mar 2020 18:47:16 +0100
Subject: Add portable links, requires hugo 0.62

---
 layouts/_default/_markup/render-image.html | 19 +++++++++++++++++++
 layouts/_default/_markup/render-link.html  | 28 ++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 layouts/_default/_markup/render-image.html
 create mode 100644 layouts/_default/_markup/render-link.html

(limited to 'layouts/_default')

diff --git a/layouts/_default/_markup/render-image.html b/layouts/_default/_markup/render-image.html
new file mode 100644
index 0000000..154e3a7
--- /dev/null
+++ b/layouts/_default/_markup/render-image.html
@@ -0,0 +1,19 @@
+{{ if .Page.Site.Params.BookPortableLinks }}
+  {{- template "portable-image" . -}}
+{{ else }}
+  <img src="{{ .Destination | safeURL }}" alt="{{ .Text }}" {{ with .Title }}title="{{ . }}"{{ end }}/>
+{{ end }}
+
+{{- define "portable-image" -}}
+  {{- $isRemote := or (in .Destination "://") (strings.HasPrefix .Destination "//") }}
+  {{- if not $isRemote }}
+    {{- $path := print .Page.File.Dir .Destination }}
+    {{- if strings.HasPrefix .Destination "/" }}
+      {{- $path = print "/static" .Destination }}
+    {{- end }}
+    {{- if not (fileExists $path) }}
+      {{- warnf "Image '%s' not found in '%s'" .Destination .Page.File }}
+    {{- end }}
+  {{- end }}
+  <img src="{{ .Destination | safeURL }}" alt="{{ .Text }}" {{ with .Title }}title="{{ . }}"{{ end }}/>
+{{- end -}}
diff --git a/layouts/_default/_markup/render-link.html b/layouts/_default/_markup/render-link.html
new file mode 100644
index 0000000..48b419f
--- /dev/null
+++ b/layouts/_default/_markup/render-link.html
@@ -0,0 +1,28 @@
+{{ if .Page.Site.Params.BookPortableLinks }}
+  {{- template "portable-link" . -}}
+{{ else }}
+  <a href="{{ .Destination | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}>{{ .Text | safeHTML }}</a>
+{{ end }}
+
+{{- define "portable-link" -}}
+  {{- $destination := .Destination }}
+  {{- $isRemote := or (in .Destination "://") (strings.HasPrefix .Destination "//") }}
+  {{- if not $isRemote }}
+    {{- $url := urls.Parse .Destination }}
+    {{- $path := strings.TrimSuffix "/_index.md" $url.Path }}
+    {{- $path = strings.TrimSuffix "/_index" $path }}
+    {{- $path = strings.TrimSuffix ".md" $path }}
+    {{- $page := .Page.GetPage $path }}
+    {{- if $page }}
+      {{- $destination = $page.RelPermalink }}
+      {{- if $url.Fragment }}
+        {{- $destination = print $destination "#" $url.Fragment }}
+      {{- end }}
+    {{- else if fileExists (print .Page.File.Dir .Destination) }}
+      <!-- Nothing -->
+    {{- else -}}
+      {{- warnf "Page '%s' not found in '%s'" .Destination .Page.File }}
+    {{- end }}
+  {{- end }}
+  <a href="{{ $destination | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}>{{ .Text | safeHTML }}</a>
+{{- end -}}
-- 
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