Merge pull request #30 from nativeapptemplate/fix/async-font-loading

Fix white screen on display page by self-hosting Inter font

Author: dadachi

app/assets/fonts/inter/inter-latin-ext.woff2

@@ -0,0 +1,18 @@
+/* latin-ext */
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-weight: 400 800;
+  font-display: swap;
+  src: url("/inter/inter-latin-ext.woff2") format('woff2');
+  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* latin */
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-weight: 400 800;
+  font-display: swap;
+  src: url("/inter/inter-latin.woff2") format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}

app/assets/fonts/inter/inter-latin.woff2

@@ -18,7 +18,7 @@
     <%# Be sure to add your own custom favicons %>
     <%= render "shared/favicons" %>
 
-    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap">
+    <%= stylesheet_link_tag "vendor/inter", media: "all" %>
 
     <%= yield :head %>
   </head>

app/assets/stylesheets/vendor/inter.css

@@ -18,7 +18,7 @@
     <%# Be sure to add your own custom favicons %>
     <%= render "shared/favicons" %>
 
-    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap">
+    <%= stylesheet_link_tag "vendor/inter", media: "all" %>
 
     <%= yield :head %>
   </head>

app/views/layouts/display.html.erb

@@ -18,7 +18,7 @@
     <%# Be sure to add your own custom favicons %>
     <%= render "shared/favicons" %>
 
-    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap">
+    <%= stylesheet_link_tag "vendor/inter", media: "all" %>
 
     <%= yield :head %>
   </head>

app/views/layouts/errors.html.erb

@@ -7,11 +7,11 @@
 Rails.application.configure do
   config.content_security_policy do |policy|
     policy.default_src :self
-    policy.font_src :self, "https://fonts.gstatic.com"
+    policy.font_src :self
     policy.img_src :self, :data
     policy.object_src :none
     policy.script_src :self
-    policy.style_src :self, :unsafe_inline, "https://fonts.googleapis.com"
+    policy.style_src :self, :unsafe_inline
     policy.connect_src :self
     policy.frame_src :self
     policy.base_uri :self