feat(conf): added abstract unit class to handle common methods

packages/conf/src/container.ts

@@ -6,6 +6,7 @@ import { UnitSectionBuilder, UnitSectionSchema } from "./unit.js";
 import { implement } from "./utils.js";
 import { INI } from "./ini.js";
 import { ServiceSectionBuilder, ServiceSectionSchema, type ServiceSection } from "./service.js";
+import type { AbstractUnit, Unit } from "./types.js";
 
 /**
  * @see https://docs.podman.io/en/latest/markdown/podman-systemd.unit.5.html
@@ -59,7 +60,7 @@ export class ContainerSectionBuilder {
   }
 }
 
-export class Container {
+export class Container implements AbstractUnit {
   private readonly unitSection: UnitSectionBuilder;
   private readonly containerSection: ContainerSectionBuilder;
   private readonly installSection: InstallSectionBuilder;
@@ -169,7 +170,7 @@ export class Container {
   /**
    * Compare current container with another container
    */
-  public equals(container: Container) {
-    return JSON.stringify(this.toObject()) === JSON.stringify(container.toObject());
+  public equals(container?: Unit) {
+    return JSON.stringify(this.toObject()) === JSON.stringify(container?.toObject());
   }
 }

packages/conf/src/service.ts

@@ -12,6 +12,7 @@ import type { KillSectionConfig } from "./kill.js";
 import { KillSectionBuilder, KillSectionSchema } from "./kill.js";
 import type { ResourceSectionConfig } from "./resource.js";
 import { ResourceSectionBuilder, ResourceSectionConfigSchema } from "./resource.js";
+import type { AbstractUnit, Unit } from "./types.js";
 
 /**
  * @see https://manpages.ubuntu.com/manpages/noble/en/man5/systemd.service.5.html
@@ -1602,7 +1603,7 @@ applyMixins(ServiceSectionBuilder, [
   ResourceSectionBuilder,
 ]);
 
-export class Service {
+export class Service implements AbstractUnit {
   private readonly unitSection: UnitSectionBuilder;
   private readonly serviceSection: ServiceSectionBuilder;
   private readonly installSection: InstallSectionBuilder;
@@ -1694,7 +1695,7 @@ export class Service {
   /**
    * Compare current service with another service
    */
-  public equals(service: Service) {
-    return JSON.stringify(this.toObject()) === JSON.stringify(service.toObject());
+  public equals(service?: Unit) {
+    return JSON.stringify(this.toObject()) === JSON.stringify(service?.toObject());
   }
 }

packages/conf/src/timer.ts

@@ -8,6 +8,7 @@ import { InstallSectionBuilder, InstallSectionSchema } from "./install.js";
 import type { UnitSection } from "./unit.js";
 import { UnitSectionBuilder, UnitSectionSchema } from "./unit.js";
 import { INI } from "./ini.js";
+import type { AbstractUnit, Unit } from "./types.js";
 
 /**
  * Timer section of a systemd unit file.
@@ -508,7 +509,7 @@ applyMixins(TimerSectionBuilder, [
   ExecSectionBuilder,
 ]);
 
-export class Timer {
+export class Timer implements AbstractUnit {
   private readonly unitSection: UnitSectionBuilder;
   private readonly timerSection: TimerSectionBuilder;
   private readonly installSection: InstallSectionBuilder;
@@ -606,7 +607,7 @@ export class Timer {
   /**
    * Compare current timer with another timer
    */
-  public equals(timer: Timer) {
-    return JSON.stringify(this.toObject()) === JSON.stringify(timer.toObject());
+  public equals(timer?: Unit) {
+    return JSON.stringify(this.toObject()) === JSON.stringify(timer?.toObject());
   }
 }

packages/conf/src/types.ts

@@ -2,4 +2,10 @@ import type { Container } from "./container.js";
 import type { Service } from "./service.js";
 import type { Timer } from "./timer.js";
 
+export abstract class AbstractUnit {
+  public abstract toObject(): object;
+  public abstract toINIString(): string;
+  public abstract equals(unit?: Unit): boolean;
+}
+
 export type Unit = Container | Service | Timer;