1{den, ...}: {
 2  den.aspects.dev.editor.helix.includes = [den.aspects.dev.editor.helix.lang.javascript];
 3  den.aspects.dev.editor.helix.lang.javascript = {
 4    hjem = {
 5      programs.helix.languages = {
 6        language = map (lang: {
 7          name = lang;
 8          auto-format = true;
 9          indent = {
10            tab-width = 2;
11            unit = "  ";
12          };
13        }) ["javascript" "jsx" "typescript" "tsx"];
14      };
15    };
16  };
17}