link preview: check that channel is valid

mmckegg · mmckegg · commit a8957703ffdf · 2018-04-20T23:50:15.000+12:00
fixes #774
diff --git a/modules/app/link-preview.js b/modules/app/link-preview.js
@@ -54,7 +54,7 @@ exports.create = function (api) {
               h('code', href)
             ])
           ])
-        } else if (href.startsWith('#') && href.length > 1) {
+        } else if (href.startsWith('#') && ref.normalizeChannel(href)) {
           preview = api.channel.html.preview(href.slice(1))
         }
       }

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,7 @@ exports.create = function (api) {`
`54`	`54`	`h('code', href)`
`55`	`55`	`])`
`56`	`56`	`])`
`57`		`- } else if (href.startsWith('#') && href.length > 1) {`
	`57`	`+ } else if (href.startsWith('#') && ref.normalizeChannel(href)) {`
`58`	`58`	`preview = api.channel.html.preview(href.slice(1))`
`59`	`59`	`}`
`60`	`60`	`}`