nixos/parts/modules/desktop/astal/src/config.ts

import GLib from "gi://GLib"

type ignoreFn = (test: string) => boolean;

interface Config {
  monitor: {
    main: string;
  };
  notification: {
    ignore: ignoreFn[];
  };
  tray: {
    ignore: ignoreFn[];
  };
}

const envArray = (name: string): string[] => {
  const value = GLib.getenv(name);
  if (!value) return [];
  return value.split(",");
}

const envIgnoreArray = (name: string): ignoreFn[] => {
  return envArray(name).map((r: string) => {
    if (r.startsWith("/")) {
      return new RegExp(r.slice(1, -1)).test;
    }
    return (test: string) => test === r;
  });
}

export default {
  monitor: {
    main: GLib.getenv("ASTRAL_PRIMARY_MONITOR") || "",
  },
  notification: {
    ignore: envIgnoreArray("ASTRAL_NOTIFICATION_IGNORE"),
  },
  tray: {
    ignore: envIgnoreArray("ASTRAL_TRAY_IGNORE"),
  },
} as Config;