add support for execute typescript subcommand via ts-node

index.js

@@ -523,7 +523,7 @@ Command.prototype.executeSubCommand = function(argv, args, unknown) {
   // executable
   var f = argv[1];
   // name of the subcommand, link `pm-install`
-  var bin = basename(f, '.js') + '-' + args[0];
+  var bin = basename(f, path.extname(f)) + '-' + args[0];
 
   // In case of globally installed, get the base dir where executable
   //  subcommand file should be located at
@@ -539,11 +539,14 @@ Command.prototype.executeSubCommand = function(argv, args, unknown) {
   // prefer local `./<bin>` to bin in the $PATH
   var localBin = path.join(baseDir, bin);
 
-  // whether bin file is a js script with explicit `.js` extension
+  // whether bin file is a js script with explicit `.js` or `.ts` extension
   var isExplicitJS = false;
   if (exists(localBin + '.js')) {
     bin = localBin + '.js';
     isExplicitJS = true;
+  } else if (exists(localBin + '.ts')) {
+    bin = localBin + '.ts';
+    isExplicitJS = true;
   } else if (exists(localBin)) {
     bin = localBin;
   }

package.json

@@ -31,6 +31,7 @@
     "should": "^13.2.3",
     "sinon": "^6.1.4",
     "standard": "^11.0.1",
+    "ts-node": "^7.0.1",
     "typescript": "^2.9.2"
   },
   "typings": "typings/index.d.ts"

test/fixtures-ts/pm-install.ts

@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+
+console.log('install');

test/fixtures-ts/pm.ts

@@ -0,0 +1,8 @@
+#!/usr/bin/env node
+
+var program = require('../../');
+
+program
+    .version('0.0.1')
+    .command('install [name]', 'install one or more packages')
+    .parse(process.argv);

test/test.command.executableSubcommand.tsnode.js

@@ -0,0 +1,10 @@
+var exec = require('child_process').exec
+  , path = require('path')
+  , should = require('should');
+
+var bin = path.join(__dirname, './fixtures-ts/pm.ts')
+
+// success case
+exec(process.argv[0] + ' -r ts-node/register ' + bin + ' install', function (error, stdout, stderr) {
+  stdout.should.equal('install\n');
+});