Let me first explain what I am trying to accomplish. I am trying to have TW generate a stylesheet that prefixes a label with an SVG icon. The stylesheet turns this:
.label::before { content: url(<<iconuri circle>>); }
into its final form, which looks like this:
.label::before { content: url('data:image/svg+xml;utf8,<svg class="icon" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="45"></circle></svg>'); }
My problems is that I’m using parameterized SVG icons, similar to Core Icons. For example, the “circle” svg tiddler I’m using for testing purposes looks like this:
\parameters (class:"icon")
<svg class=<<class>> viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle r="45" cx="50" cy="50" /></svg>
After a few days of fiddling, I managed to get an iconuri macro that is close to what I need,
\define iconuri(tiddler)
<$wikify name="svg_icon" text={{$tiddler$}} mode="inline" output="html"><$text text={{{ [['data:image/svg+xml;utf8,]] [<svg_icon>] [[']] +[join[]] }}} /></$wikify>
\end
What <<iconuri circle>> generates is this:
'data:image/svg+xml;utf8,<svg class="circle" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="45"></circle></svg>'
It’s very close to the output I need, which is:
'data:image/svg+xml;utf8,<svg class="icon" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="45"></circle></svg>'
At first glance, it seems as if WikifyWidget does not work with parameterized tiddlers. For some strange reason instead of using the default parameter value of icon, Wikify has replaced the class parameter with the tiddler’s title, circle. Now I’m stuck, I do not know how to get wikify to stop doing this.
As a stop gap, is there a way to pass the correct parameter value into WikifyWidget?