aliases command

simplecommands/plugin.ts

@@ -215,13 +215,12 @@ class SqueebotCommandsAPIPlugin extends Plugin {
 
     // Start executing
     for (const spec of permitted) {
-      // Help command needs access to plugin list in the channel
-      // Very dirty
-      if (spec.name === 'help') {
-        spec.tempargv = plugins;
+      const argv: any[] = separate.slice(1);
+      if (spec.plugin === this.name) {
+        argv.unshift(plugins);
       }
 
-      const success = await spec.execute(msg, spec, prefix, ...separate.slice(1));
+      const success = await spec.execute(msg, spec, prefix, ...argv);
       if (success) {
         break;
       }
@@ -416,8 +415,7 @@ class SqueebotCommandsAPIPlugin extends Plugin {
     }
   }
 
-  private helpCommand(msg: IMessage, prefix: string, plugins: string[]): void {
-    // Iteration 1: Resolve commands by name and by aliases
+  private withAliases(msg: IMessage, plugins: string[]): CommandSpec[] {
     const withAliases = [];
     for (const spec of this.commands) {
       if (plugins.length && plugins.indexOf(spec.plugin) === -1) {
@@ -435,6 +433,20 @@ class SqueebotCommandsAPIPlugin extends Plugin {
 
       withAliases.push(spec);
     }
+    return withAliases;
+  }
+
+  private aliasesCommand(msg: IMessage, prefix: string, args: any[]): void {
+    // First argument could be a passed plugin array within this plugin
+    let plugins: string[] = [];
+    let cmdarg = 0;
+    if (args && args.length && Array.isArray(args[0])) {
+      plugins = args[0];
+      cmdarg += 1;
+    }
+
+    // Iteration 1: Resolve commands (with aliases)
+    const withAliases = this.withAliases(msg, plugins);
 
     // Iteration 2: Match rooms for message
     let matching = this.roomMatcher(msg, withAliases);
@@ -442,23 +454,76 @@ class SqueebotCommandsAPIPlugin extends Plugin {
     // Iteration 3: Match permissions for user
     matching = this.permissionMatcher(msg, matching);
 
-    const text = msg.text;
-    const argv = text.toLowerCase().split(' ');
     const b = (t: string) => {
       return msg.source.format.format('bold', t);
     };
 
-    if (argv[1]) {
+    if (!args[cmdarg]) {
+      msg.resolve('A command name is required.');
+      return;
+    }
+
+    let found: CommandSpec | null = null;
+    for (const spec of matching) {
+      if (spec.name === args[cmdarg]) {
+        found = spec;
+        break;
+      }
+    }
+
+    if (!found) {
+      msg.resolve('aliases: No such command "%s"!', args[cmdarg]);
+      return;
+    }
+
+    if (!found.aliases || found.aliases.length === 0) {
+      msg.resolve('%s - No aliases found.', b(prefix + found.name));
+      return;
+    }
+
+    let list = found.aliases;
+    let aliasText = '';
+    if (found.alias) {
+      aliasText = b(`[alias of ${found.alias}]`);
+      list = list.filter((x) => x !== found?.name);
+    }
+
+    msg.resolve(b('Aliases of %s:'), prefix + found.name, list.join(', '), aliasText);
+  }
+
+  private helpCommand(msg: IMessage, prefix: string, args: any[]): void {
+    // First argument could be a passed plugin array within this plugin
+    let plugins: string[] = [];
+    let cmdarg = 0;
+    if (args && args.length && Array.isArray(args[0])) {
+      plugins = args[0];
+      cmdarg += 1;
+    }
+
+    // Iteration 1: Resolve commands (with aliases)
+    const withAliases = this.withAliases(msg, plugins);
+
+    // Iteration 2: Match rooms for message
+    let matching = this.roomMatcher(msg, withAliases);
+
+    // Iteration 3: Match permissions for user
+    matching = this.permissionMatcher(msg, matching);
+
+    const b = (t: string) => {
+      return msg.source.format.format('bold', t);
+    };
+
+    if (args[cmdarg]) {
       let found: CommandSpec | null = null;
       for (const spec of matching) {
-        if (spec.name === argv[1]) {
+        if (spec.name === args[cmdarg]) {
           found = spec;
           break;
         }
       }
 
       if (!found) {
-        msg.resolve('help: No such command "%s"!', argv[1]);
+        msg.resolve('help: No such command "%s"!', args[cmdarg]);
         return;
       }
 
@@ -491,9 +556,21 @@ class SqueebotCommandsAPIPlugin extends Plugin {
       name: 'help',
       aliases: ['commands'],
       usage: '[<command>]',
-      description: 'Show command usage or list all commands',
-      execute: async (msg: IMessage, spec: CommandSpec, prefix: string): Promise<boolean> => {
-        this.helpCommand(msg, prefix, spec.tempargv as string[]);
+      description: 'Show command usage or list all available commands',
+      execute: async (msg: IMessage, spec: CommandSpec, prefix: string, ...args: any[]): Promise<boolean> => {
+        this.helpCommand(msg, prefix, args);
+        return true;
+      }
+    });
+
+    this.registerCommand({
+      plugin: this.name,
+      name: 'aliases',
+      aliases: ['alias'],
+      usage: '<command>',
+      description: 'Show the list of aliases for command',
+      execute: async (msg: IMessage, spec: CommandSpec, prefix: string, ...args: any[]): Promise<boolean> => {
+        this.aliasesCommand(msg, prefix, args);
         return true;
       }
     });