updated Plugin pattern

src/behavioral/Plugin.ts

@@ -75,38 +75,26 @@ export class PluginManager<T> {
     this.plugins = []
   }
 
-  /**
-   * Registers a plugin.
-   *
-   * @param {Plugin<T>} plugin - The plugin to register.
-   * @return {boolean} - Returns true if the plugin is registered successfully, otherwise returns false.
-   */
-  register(plugin: Plugin<T>): boolean {
-    const i = this.indexOf(plugin)
+  register(...plugins: Plugin<T>[]): void {
+    for (const plugin of plugins) {
+      const i = this.indexOf(plugin)
 
-    if (-1 === i) {
-      this.plugins.push(plugin)
-      return true
+      if (-1 === i) {
+        this.plugins.push(plugin)
+      }
     }
 
     return false
   }
 
-  /**
-   * Deregisters a plugin from the system.
-   *
-   * @param {Plugin<T> | string} plugin - The plugin or the name of the plugin to be deregistered.
-   * @return {boolean} - Returns true if the plugin was successfully deregistered, otherwise false.
-   */
-  deregister(plugin: Plugin<T> | string): boolean {
-    const i = this.indexOf(plugin)
+  deregister(...plugins: Plugin<T>[]): void {
+    for (const plugin of plugins) {
+      const i = this.indexOf(plugin)
 
-    if (-1 < i) {
-      this.plugins.splice(i, 1)
-      return true
+      if (-1 < i) {
+        this.plugins.splice(i, 1)
+      }
     }
-
-    return false
   }
 
   /**
@@ -127,9 +115,9 @@ export class PluginManager<T> {
    * @param {Plugin<T> | string} plugin - The plugin to search for. Can be either a Plugin object or a string representing the plugin name.
    * @return {number} - The index of the plugin in the plugins array. Returns -1 if the plugin is not found.
    */
-  protected indexOf(plugin: Plugin<T> | string): number {
+  protected indexOf(plugin: Plugin<T>): number {
     const plugins = this.plugins
-    const name = 'string' === typeof plugin ? plugin : plugin.name
+    const name = plugin.name
 
     for (let i = plugins.length - 1; i >= 0; --i) {
       if (name === plugins[i].name) {