feat: find covidcast files by prefix

Author: sgratzl

themes/delphi/layouts/_default/covidcast_app.html

@@ -1,11 +1,11 @@
 {{ define "styles" }}
-  <link rel="stylesheet" href="{{ "./covidcast/vendors.css" | relURL }}" />
-  <link rel="stylesheet" href="{{ "./covidcast/styles.css" | relURL }}" />
+  <link rel="stylesheet" href="{{ (partial "covidcast/find-file.html" "vendor.*\\.css$")| relURL }}" />
+  <link rel="stylesheet" href="{{ (partial "covidcast/find-file.html" "styles.*\\.css$")| relURL }}" />
 {{ end }}
 {{ define "scripts" }}
-  <script src="{{ "./covidcast/vendors.js" | relURL }}"></script>
-  <script src="{{ "./covidcast/styles.js" | relURL }}"></script>
-  <script src="{{ "./covidcast/bundle.js" | relURL }}"></script>
+  <script src="{{ (partial "covidcast/find-file.html" "vendor.*\\.js$") | relURL }}"></script>
+  <script src="{{ (partial "covidcast/find-file.html" "styles.*\\.js$")| relURL }}"></script>
+  <script src="{{ (partial "covidcast/find-file.html" "bundle.*\\.js$")| relURL }}"></script>
 {{ end }}
 {{ define "body_class" }}covidcast_wrapper{{ end }}
 {{ define "main" }}

themes/delphi/layouts/partials/covidcast/find-file.html

@@ -0,0 +1,10 @@
+<!--find a file given a prefix and directory -->
+{{ $pattern := . }}
+{{ $matchedFile := false }}
+{{ range (readDir "./static/covidcast") }}
+  {{ $testFile := . }}
+  {{ with (index (findRE $pattern .Name 1) 0) }}
+    {{ $matchedFile = path.Join "./covidcast" $testFile.Name }}
+  {{ end }}
+{{ end }}
+{{ return $matchedFile }}