chore: fix JavaScript lint errors

PR-URL: #8222
Closes: #8140
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: youzi-forge

lib/node_modules/@stdlib/utils/async/map-values/lib/factory.js

@@ -50,6 +50,7 @@ var limit = require( './limit.js' );
 * @returns {Function} function which maps values from one object to a new object having the same keys
 *
 * @example
+* var join = require( 'path' ).join;
 * var stat = require( 'fs' ).stat;
 *
 * function getStats( file, next ) {
@@ -72,8 +73,8 @@ var limit = require( './limit.js' );
 *
 * // Create a dictionary of file names:
 * var files = {
-*     'file1': './beep.js',
-*     'file2': './boop.js'
+*     'file1': join( __dirname, '..', 'README.md' ),
+*     'file2': join( __dirname, '..', 'package.json' )
 * };
 *
 * // Define a callback which handles errors:

lib/node_modules/@stdlib/utils/async/map-values/lib/index.js

@@ -25,6 +25,7 @@
 *
 * @example
 * var stat = require( 'fs' ).stat;
+* var join = require( 'path' ).join;
 * var mapValuesAsync = require( '@stdlib/utils/async/map-values' );
 *
 * function getStats( file, next ) {
@@ -48,8 +49,8 @@
 *
 * // Create a dictionary of file names:
 * var files = {
-*     'file1': './beep.js',
-*     'file2': './boop.js'
+*     'file1': join( __dirname, '..', 'README.md' ),
+*     'file2': join( __dirname, '..', 'package.json' )
 * };
 *
 * var opts = {

lib/node_modules/@stdlib/utils/async/map-values/lib/main.js

@@ -50,6 +50,7 @@ var factory = require( './factory.js' );
 * @returns {void}
 *
 * @example
+* var join = require( 'path' ).join;
 * var stat = require( 'fs' ).stat;
 *
 * function getStats( file, next ) {
@@ -73,8 +74,8 @@ var factory = require( './factory.js' );
 *
 * // Create a dictionary of file names:
 * var files = {
-*     'file1': './beep.js',
-*     'file2': './boop.js'
+*     'file1': join( __dirname, '..', 'README.md' ),
+*     'file2': join( __dirname, '..', 'package.json' )
 * };
 *
 * var opts = {