From c87885f38f21698e3f589a3636253afe3834e163 Mon Sep 17 00:00:00 2001
From: Nameer Haider <nmeer5242@gmail.com>
Date: Sun, 18 Feb 2024 02:25:57 +0300
Subject: [PATCH] adding CommandRunner

---
 src/commanders/command-runner.ts | 36 ++++++++++++++++++++++++++++++++
 src/commanders/commander.ts      | 12 +++++------
 src/commanders/index.ts          |  5 +++++
 src/main.ts                      |  9 ++++++--
 4 files changed, 54 insertions(+), 8 deletions(-)
 create mode 100644 src/commanders/command-runner.ts

diff --git a/src/commanders/command-runner.ts b/src/commanders/command-runner.ts
new file mode 100644
index 0000000..868e794
--- /dev/null
+++ b/src/commanders/command-runner.ts
@@ -0,0 +1,36 @@
+import { Commander } from './commander';
+
+export class CommandRunner {
+  constructor(private readonly commands: Commander[]) {
+    this.checkCommands(commands);
+  }
+
+  private checkCommands(commands: Commander[]): void {
+    for (const command of commands) {
+      const isDuplicated =
+        commands.filter((c) => {
+          return c.command === command.command;
+        }).length > 1;
+      if (isDuplicated) {
+        const error = `Command "${command.command}" is duplicated`;
+        global._logger.error(error);
+        throw new Error(error);
+      }
+    }
+  }
+
+  private getArgs(): string[] {
+    return process.argv.slice(2);
+  }
+
+  async run(): Promise<boolean> {
+    for (const command of this.commands) {
+      const args = this.getArgs();
+      const isExecuted = await command.run(args);
+      if (isExecuted) {
+        return true;
+      }
+    }
+    return false;
+  }
+}
diff --git a/src/commanders/commander.ts b/src/commanders/commander.ts
index 523b04f..e3c042f 100644
--- a/src/commanders/commander.ts
+++ b/src/commanders/commander.ts
@@ -39,12 +39,12 @@ export class Commander {
     this.isDefault = props.isDefault ?? false;
   }
 
-  private readonly command: string;
-  private readonly description: string;
-  private readonly commandOptions: CommandOptions[];
-  private readonly subCommands: Commander[];
-  private readonly script: (options: Record<string, any>) => Promise<void>;
-  private readonly isDefault: boolean = false;
+  public readonly command: string;
+  public readonly description: string;
+  public readonly commandOptions: CommandOptions[];
+  public readonly subCommands: Commander[];
+  public readonly script: (options: Record<string, any>) => Promise<void>;
+  public readonly isDefault: boolean = false;
 
   async run(args: string[]): Promise<boolean> {
     if (this.extractCommand(args, this.command) || this.isDefault) {
diff --git a/src/commanders/index.ts b/src/commanders/index.ts
index f4d5ed2..19061ee 100644
--- a/src/commanders/index.ts
+++ b/src/commanders/index.ts
@@ -3,6 +3,11 @@
  */
 export * from './commands/package.command';
 
+/**
+ * Export Command Runner:
+ */
+export * from './command-runner';
+
 /**
  * Export SubCommands:
  */
diff --git a/src/main.ts b/src/main.ts
index 2afd3b1..508e7a3 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 import { dirname } from 'path';
-import { packageCommand } from './commanders';
+import { CommandRunner, packageCommand } from './commanders';
 import { Logger } from './commons/utils';
 
 // setting global variable to the parent directory.
@@ -15,4 +15,9 @@ global.configs = {
   backupDir: `${global._projectDir}/package.backup`,
 };
 
-packageCommand.run(process.argv.slice(2));
+async function bootstrap() {
+  const commandApp = new CommandRunner([packageCommand]);
+  await commandApp.run();
+}
+
+bootstrap();