chore: fix JavaScript lint errors

PR-URL: #10481
Closes: #10112

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: aryan7071

lib/node_modules/@stdlib/_tools/docs/www/readme-fragment-file-tree/lib/write.js

@@ -20,9 +20,10 @@
 
 // MODULES //
 
-var path = require( 'path' );
+var join = require( 'path' ).join;
 var logger = require( 'debug' );
 var mkdirp = require( 'mkdirp' );
+var dirname = require( '@stdlib/utils/dirname' );
 var objectKeys = require( '@stdlib/utils/keys' );
 var writeFile = require( '@stdlib/fs/write-file' );
 
@@ -72,8 +73,8 @@ function write( src, dest, db, clbk ) {
 		i += 1;
 
 		file = files[ i ];
-		dpath = path.dirname( file.substring( src.length+1 ) ); // +1 to account for path separator
-		dpath = path.join( dest, dpath );
+		dpath = dirname( file.substring( src.length+1 ) ); // +1 to account for path separator
+		dpath = join( dest, dpath );
 
 		debug( 'Creating output directory: %s', dpath );
 		mkdirp( dpath, onDir );
@@ -93,7 +94,7 @@ function write( src, dest, db, clbk ) {
 		}
 		debug( 'Successfully created output directory.' );
 
-		fpath = path.join( dpath, BASENAME );
+		fpath = join( dpath, BASENAME );
 		debug( 'Writing file %d of %d: %s', i+1, total, fpath );
 
 		writeFile( fpath, db[ file ], fopts, onWrite );