From 5676d90d56638dc6bcd8b042e22b52086fd4671d Mon Sep 17 00:00:00 2001
From: Apoorv Khandelwal <mail@apoorvkh.com>
Date: Wed, 30 Nov 2022 17:41:05 -0800
Subject: [PATCH] fix: Replacing "internal-link broken" with link to asset
 (#232)

---
 layouts/partials/textprocessing.html | 70 +++++++++++++++++-----------
 1 file changed, 43 insertions(+), 27 deletions(-)

diff --git a/layouts/partials/textprocessing.html b/layouts/partials/textprocessing.html
index bd2cca5d..7f290288 100644
--- a/layouts/partials/textprocessing.html
+++ b/layouts/partials/textprocessing.html
@@ -14,6 +14,7 @@
 {{$codefences := $raw | findRE "\\x60[^\\x60\\n]+\\x60"}}
 {{$codeblocks := $raw | findRE "\\x60{3}[^\\x60]+\\x60{3}"}}
 {{$code := union $codefences $codeblocks}}
+
 {{range $wikilinks}}
   {{$cur := .}}
   {{$incode := false}}
@@ -22,41 +23,56 @@
       {{$incode = true}}
     {{end}}
   {{end}}
+
   {{if not $incode}}
-    {{if (hasPrefix . "!")}}
-      {{$inner := . | strings.TrimPrefix "![[" | strings.TrimSuffix "]]" }}
-      {{$split := split $inner "|"}}
-      {{$path := index $split 0 | relURL}}
-      {{$width := index $split 1}}
-      {{$img := printf "<img src=\"%s\" width=\"%s\" />" $path (default "auto" $width)}}
-      {{$content = replace $content . $img}}
-    {{else}}
-      <!-- remove link delimiters -->
-      {{$inner := . | strings.TrimPrefix "[[" | strings.TrimSuffix "]]" }}
-      <!-- split from alias -->
-      {{$split := split $inner "|"}}
-      <!-- separate link path -->
-      {{$path := index $split 0}}
-      {{$reference := split $path "#"}}
-      <!-- path with heading link (i.e. $block) removed -->
-      {{$title := index $reference 0}}
-      <!-- heading link -->
+
+    <!-- remove link delimiters -->
+    {{$inner := . | strings.TrimPrefix "!" | strings.TrimPrefix "[[" | strings.TrimSuffix "]]" }}
+    <!-- split from alias -->
+    {{$split := split $inner "|"}}
+    <!-- separate link path -->
+    {{$path := index $split 0}}
+
+    {{$reference := split $path "#"}}
+    <!-- path with heading link removed -->
+    {{$title := index $reference 0}}
+    <!-- $display is hyperlink display text -->
+    <!-- use alias, else title -->
+    {{$display := default $title (index $split 1)}}
+    <!-- remove subfolder from title -->
+    {{$display := index (last 1 (split $display "/")) 0}}
+
+    {{$curpage := $page.GetPage $title}}
+    {{$relpath := relURL $path}}
+
+    <!-- If path to Hugo page -->
+    {{if not (eq $curpage.String "nopPage") }}
       {{$block := default "" (index $reference 1)}}
       {{$block = strings.TrimRight "/" (cond (eq $block "") $block (printf "#%s" $block)) | urlize | lower}}
-      {{$href := strings.TrimRight "/" ($page.GetPage $title).RelPermalink}}
-      <!-- if alias given, use alias, else title -->
-      {{$display := default $title (index $split 1)}}
-      <!-- ADDED LINE TO REMOVE SUBFOLDER FROM TITLE: -->
-      {{$display := index (last 1 (split $display "/")) 0}}
-      {{if not $href}}
-        {{$link := printf "<a class=\"internal-link broken\">%s</a>" $display}}
+      {{$href := strings.TrimRight "/" $curpage.RelPermalink}}
+      {{$link := printf "<a href=\"%s%s\" rel=\"noopener\" class=\"internal-link\" data-src=\"%s\">%s</a>" $href $block $href $display}}
+      {{$content = replace $content . $link}}
+    <!-- If path to existing file -->
+    {{else if fileExists $relpath}}
+      {{$splitpath := split $relpath "/"}}
+      {{$dirname := first (sub (len $splitpath) 1) $splitpath | path.Join | urlize}}
+      {{$basename := index (last 1 $splitpath) 0}}
+      {{$href := printf "/%s/%s" $dirname $basename}}
+      <!-- Embedded? -->
+      {{if (hasPrefix . "!")}}
+        {{$width := index $split 1}}
+        {{$link := printf "<img src=\"%s\" width=\"%s\" />" $href (default "auto" $width)}}
         {{$content = replace $content . $link}}
       {{else}}
-        {{$fullhref := printf "%s%s" $href $block }}
-        {{$link := printf "<a href=\"%s\" rel=\"noopener\" class=\"internal-link\" data-src=\"%s\">%s</a>" $fullhref $href $display}}
+        {{$link := printf "<a href=\"%s\" rel=\"noopener\" class=\"internal-link\">%s</a>" $href $display}}
         {{$content = replace $content . $link}}
       {{end}}
+    <!-- Broken path -->
+    {{else}}
+      {{$link := printf "<a class=\"internal-link broken\">%s</a>" $display}}
+      {{$content = replace $content . $link}}
     {{end}}
+
   {{end}}
 {{end}}