commandManager.ts

/*---------------------------------------------------------------------------------------------
  *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import * as vscode from 'vscode';

export interface Command {
	readonly id: string;

	execute(...args: any[]): void;
}

export class CommandManager {
	private readonly commands = new Map<string, vscode.Disposable>();

	public dispose() {
	  for (const registration of this.commands.values()) {
	    registration.dispose();
	  }
	  this.commands.clear();
	}

	public register<T extends Command>(command: T): T {
	  this.registerCommand(command.id, command.execute, command);
	  return command;
	}

	private registerCommand(id: string, impl: (...args: any[]) => void, thisArg?: any) {
	  if (this.commands.has(id)) {
	    return;
	  }

	  this.commands.set(id, vscode.commands.registerCommand(id, impl, thisArg));
	}
}