copy fonts to source and serve local fonts

Author: icewind1991

freshen.json

@@ -55,6 +55,9 @@
     },
     {
       "name": "piped",
+      "update_scripts": [{
+          "attr_path": "piped-frontend.passthru.fonts"
+      }],
       "tests": [{
         "attr_path": "piped-test",
         "disable_sandbox": true

piped-frontend/default.nix

@@ -2,6 +2,8 @@
 , lib
 , buildNpmPackage
 , pnpm
+, fetchurl
+, writeScript
 }:
 
 let
@@ -16,6 +18,17 @@ let
 
   pnpmDeps = doPnpmDeps (builtins.fromJSON (builtins.readFile ./npmDepsHash.json));
 
+  
+  fonts = builtins.mapAttrs (url: hash: fetchurl {inherit url hash;}) (builtins.fromJSON (builtins.readFile ./fonts.json));
+  copyFonts = builtins.concatStringsSep "\n" (lib.mapAttrsToList (
+      url: font: let
+      fontPath = "dist/fonts/" + (builtins.substring (builtins.stringLength "https://fonts.gstatic.com/") (-1) url);
+      in ''
+        mkdir -p $(dirname ${fontPath})
+        cp ${font} ${fontPath}
+      ''
+    )
+    fonts);
 in
 
 buildNpmPackage {
@@ -25,12 +38,38 @@ buildNpmPackage {
   npmConfigHook = pnpm.configHook;
 
   npmDeps = pnpmDeps;
+  
+  postBuild = ''
+    mkdir -p dist/fonts
+
+    ${copyFonts}
+
+    sed -i "s#https://fonts.gstatic.com#/fonts#g" dist/assets/*
+  '';
 
   installPhase = ''
     cp dist $out -r
   '';
-
-  passthru.hashUpdate = doPnpmDeps "";
+  
+  passthru = {
+    hashUpdate = doPnpmDeps "";
+    fonts = writeScript "update-font-hashes" ''
+      #!/usr/bin/env bash
+  
+      tmp=$(mktemp -d)
+      cp -r "${src}" "$tmp/src"
+      chmod -R 750 $tmp/src
+      (
+          cd "$tmp/src"
+          ${pnpm}/bin/pnpm install
+          echo "extracting"
+          bash ${./extract-font-hashes.sh} > fonts.json
+          cat fonts.json
+      )
+      cp "$tmp/src/fonts.json" "piped-frontend/fonts.json"
+      rm -fr "$tmp"
+    '';
+  };
 
   meta = {
     homepage = "https://github.com/TeamPiped/piped";

piped-frontend/extract-font-hashes.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl nix
+
+fonts=($(grep -hPo "https://fonts\.gstatic\.com/s[^)]*" -r node_modules/ | sort | uniq))
+echo '{'
+for font in "${fonts[@]}"; do
+    hash=$(nix-hash --to-sri --type sha256 $(nix-prefetch-url "$font" 2>/dev/null))
+    if [ "$font" = "${fonts[-1]}" ]; then
+        echo '  "'"$font"'"': '"'"$hash"'"'
+    else
+        echo '  "'"$font"'"': '"'"$hash"'",'
+    fi
+done
+echo '}'

piped-frontend/fonts.json

@@ -0,0 +1,4 @@
+{
+  "https://fonts.gstatic.com/s/materialiconsround/v108/LDItaoyNOAY6Uewc665JcIzCKsKc_M9flwmM.otf": "sha256-utheVFS2KIEEzgOAbDcyO82PFF4wlOcnhgFzrIyRBi4=",
+  "https://fonts.gstatic.com/s/roboto/v47/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWubEbVmUiA8.ttf": "sha256-Z6CSYilO1dB4PF8qsg2Wc2VMLePQOHBHN+v+noJu1hM="
+}