fix: image scaling for md-style links (closes #155)

content/notes/hosting.md

@@ -66,7 +66,7 @@ Please note that the `cname` field should *not* have any path `e.g. end with /qu
 
 [Reference `deploy.yaml` here](https://github.com/jackyzha0/quartz/blob/hugo/.github/workflows/deploy.yaml)
 
-```yaml
+```yaml {title=".github/workflows/deploy.yaml"}
 - name: Deploy  
   uses: peaceiris/actions-gh-pages@v3  
   with:  

layouts/_default/_markup/render-image.html

@@ -1,8 +1,9 @@
 {{$src := .Destination | safeURL }}
+{{$width := index (split .Text "|") 1 | default "auto" }}
 {{$external := strings.HasPrefix $src "http" }}
 {{- if $external -}}
-<img src="{{ $src }}" alt="{{ .Text }}" {{ with .Title }} title="{{ . }}" {{ end }} />
+<img src="{{ $src }}" width="{{ $width }}" alt="{{ .Text }}" {{ with .Title }} title="{{ . }}" {{ end }} />
 {{- else -}}
 {{$fixedUrl := (cond (hasPrefix $src "/") $src (print "/" $src)) | urlize}}
-<img src="{{.Page.Site.BaseURL}}{{ $fixedUrl }}" alt="{{ .Text }}" {{ with .Title }} title="{{ . }}" {{ end }} />
+<img src="{{.Page.Site.BaseURL}}{{ $fixedUrl }}" width="{{ $width }}" alt="{{ .Text }}" {{ with .Title }} title="{{ . }}" {{ end }} />
 {{- end -}}