add duckduckgo colorscheme

Former-commit-id: ed605769b0

home/programs/duckduckgo-colorscheme/default.nix

@@ -0,0 +1,44 @@
+# A duckduckgo colorscheme generated for the Stylix theme used.
+{ config, ... }:
+let
+  accent = config.lib.stylix.colors.base0D;
+  background = config.lib.stylix.colors.base00;
+  foreground = config.lib.stylix.colors.base05;
+  background-alt = config.lib.stylix.colors.base01;
+  foreground-alt = config.lib.stylix.colors.base06;
+in {
+  home.file.".duckduckgo-colorscheme.js".text =
+    # js
+    ''
+      // Go to DuckDuckGo settings page, open the console, paste the code and hit enter.
+      // based on https://ddg.codingcodax.dev/
+      // Cookies string for your theme
+      const cookie = '7=${background}; j=${background}; 9=${foreground}; aa=${foreground-alt}; 8=${foreground}; x=${accent}; 21=${background-alt};';
+
+      // Converts cookie string into formatted JSON
+      const cookieToJSON = (cookieRaw) => {
+        const cookieJson = {};
+        const items = cookieRaw.split(/[ ,]+/);
+
+        items.forEach((item) => {
+          const parts = item.split('=');
+          cookieJson[parts[0]] = parts[1];
+        });
+
+        return cookieJson;
+      };
+
+      // Iterates over JSON, and adds to browser cookie store
+      const setCookies = (cookieJson) => {
+        Object.keys(cookieJson).forEach((key) => {
+          document.cookie = `''${key}=''${cookieJson [ key ]}`;
+        });
+      };
+
+      // Call set cookies, passing in formated cookie data
+      setCookies(cookieToJSON(cookie));
+
+      // All done, reload page for changes to take effect :)
+      location.reload();
+    '';
+}