Replaced Local Path Resolution

This changes the path resolution to use Node's
module resolution algorithm to be consistent with
other usages of Node CLI tools.

packages/env/bin/wp-env

@@ -1,25 +1,20 @@
 #!/usr/bin/env node
 'use strict';
 
-/**
- * External dependencies.
- */
-const path = require( 'path' );
-const fs = require( 'fs' );
-
 // Remove 'node' and the name of the script from the arguments.
 let command = process.argv.slice( 2 );
 // Default to help text when they aren't running any commands.
 if ( ! command.length ) {
-    command = [ '--help' ];
+	command = [ '--help' ];
 }
 
 // Rather than just executing the current CLI we will attempt to find a local version
 // and execute that one instead. This prevents users from accidentally using the
 // global CLI when a potentially different local version is expected.
-const localPath = path.resolve( './node_modules/@wordpress/env/lib/cli.js' );
-const cliPath = fs.existsSync( localPath ) ? localPath : '../lib/cli.js';
-const cli = require( cliPath )();
+const localPath = require.resolve( '@wordpress/env/lib/cli.js', {
+	paths: [ process.cwd(), __dirname ],
+} );
+const cli = require( localPath )();
 
 // Now we can execute the CLI with the given command.
 cli.parse( command );