{{!-- Import maps currently don't support the src="" attribute. Unless we come up with something clever to do while browser vendors figure that out, we'll just have to do a cache-busting string substitution. --}} {{#if dev}} {{/if}} {{!-- This is a bit of a hack to quickly insert metadata into generated pages without going through Handlebars, which would involve registering, parsing, and generating a page from a template. Yes it would be more flexible that way, but it doesn't need to be. It just needs to be a string replacement. --}} {{#if page.thumbnail}} {{/if}}