Canvas support V1

assets/layout.html

@@ -23,8 +23,9 @@
     </head>
     {{/* Outside the editor, links to pages are boosted: htmx swaps .shell
     (plus title and page actions, see "partial") instead of loading a new
-    document. hx.js decides which links count as pages. */}}
-    <body{{if not .EditMode}} hx-boost="true"{{end}}>
+    document. hx.js decides which links count as pages. A view can opt out by
+    overriding "boost" (the canvas does: it saves on pagehide). */}}
+    <body{{if not .EditMode}}{{block "boost" .}} hx-boost="true"{{end}}{{end}}>
         <header>
             <nav class="breadcrumb row">
                 <a href="/" tabindex="-1" title="Home"><svg class="logo" viewBox="0 0 26.052269 26.052269" xmlns="http://www.w3.org/2000/svg"><g fill="none" stroke="currentColor" stroke-linejoin="miter" transform="matrix(0.05463483,8.1519706e-6,-8.1519706e-6,0.05463483,-64.560546,-24.6949)"><rect x="1188.537" y="457.92056" width="461.87488" height="462.15189" stroke-width="20.2288"/><path d="m1348.9955 456.59572.046 309.36839" stroke-width="19.6849"/><path d="m1200.3996 765.80237 441.8362-.0659" stroke-width="19.6849"/><path d="m1648.2897 620.244-299.2012.0446" stroke-width="20.5676"/><path d="m1491.6148 909.24806-.021-136.93117" stroke-width="19.6849"/><rect x="1191.6504" y="461.66092" width="457.09634" height="457.09634" stroke-width="19.6761"/></g></svg><span class="app-name"> datascape</span></a>