Use image partial (#540)

Author: jarrodmillman

layouts/partials/_elements/image.html

@@ -0,0 +1,7 @@
+{{- if .data.target -}}<a href="{{ .data.target }}">{{- end -}}
+<img src="{{ .data.src }}" alt="{{ .data.alt }}"
+  {{- with .data.align }} class="align-{{ . }}"{{ end -}}
+  {{- with .data.width }} width="{{ . }}"{{ end -}}
+  {{- with .data.height }} height="{{ . }}"{{ end -}}
+>
+{{- if .data.target }}</a>{{ end -}}

layouts/shortcodes/image.html

@@ -34,10 +34,4 @@
 */}}
 
 {{- $data := .Inner | transform.Unmarshal -}}
-{{- if $data.target -}}<a href="{{ $data.target }}">{{- end -}}
-<img src="{{ $data.src }}" alt="{{ $data.alt }}"
-  {{- with $data.align }} class="align-{{ . }}"{{ end -}}
-  {{- with $data.width }} width="{{ . }}"{{ end -}}
-  {{- with $data.height }} height="{{ . }}"{{ end -}}
->
-{{- if $data.target }}</a>{{ end -}}
+{{- partial "_elements/image.html" (dict "data" $data) -}}