docs: update README examples to use const and let

Author: Planeshifter

lib/node_modules/@stdlib/_tools/modules/import-require/README.md

@@ -33,18 +33,18 @@ limitations under the License.
 ## Usage
 
 ```javascript
-var ls = require( '@stdlib/_tools/modules/import-require' );
+const ls = require( '@stdlib/_tools/modules/import-require' );
 ```
 
 #### ls( src )
 
 Searches for import and require paths in a source `string` or [`Buffer`][node-buffer].
 
 ```javascript
-var readFile = require( '@stdlib/fs/read-file' ).sync;
+const readFile = require( '@stdlib/fs/read-file' ).sync;
 
-var src = readFile( __filename );
-var results = ls( src );
+const src = readFile( __filename );
+const results = ls( src );
 
 console.dir( results );
 ```
@@ -67,11 +67,11 @@ The returned `object` has the following fields:
     <!-- eslint-disable stdlib/no-dynamic-require, no-useless-concat -->
 
     ```javascript
-    var ls = require( '@stdlib/_tools/modules/import-require' );
-    var readFile = require( '@stdlib'+'/fs/read-file' ).sync;
+    const ls = require( '@stdlib/_tools/modules/import-require' );
+    const readFile = require( '@stdlib'+'/fs/read-file' ).sync;
 
-    var src = readFile( __filename );
-    var results = ls( src );
+    const src = readFile( __filename );
+    const results = ls( src );
     /* returns
         {
             'literals': [ '@stdlib/_tools/modules/import-require' ],
@@ -89,11 +89,11 @@ The returned `object` has the following fields:
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var readFile = require( '@stdlib/fs/read-file' ).sync;
-var ls = require( '@stdlib/_tools/modules/import-require' );
+const readFile = require( '@stdlib/fs/read-file' ).sync;
+const ls = require( '@stdlib/_tools/modules/import-require' );
 
-var file = readFile( __filename );
-var results = ls( file );
+const file = readFile( __filename );
+const results = ls( file );
 
 console.log( 'Literals:' );
 console.dir( results.literals );

lib/node_modules/@stdlib/_tools/pkgs/name2standalone/README.md

@@ -27,26 +27,26 @@ limitations under the License.
 ## Usage
 
 ```javascript
-var name2standalone = require( '@stdlib/_tools/pkgs/name2standalone' );
+const name2standalone = require( '@stdlib/_tools/pkgs/name2standalone' );
 ```
 
 #### name2standalone( name )
 
 Converts a stdlib package `name` (or a list of package names) to a standalone package name.
 
 ```javascript
-var out = name2standalone( '@stdlib/math/base/special/sin' );
+const out = name2standalone( '@stdlib/math/base/special/sin' );
 // returns '@stdlib/math-base-special-sin'
 ```
 
 To convert more than one stdlib package `name`, provide a list of package names.
 
 ```javascript
-var list = [
+const list = [
     '@stdlib/math/base/special/sin',
     '@stdlib/math/base/special/cos'
 ];
-var out = name2standalone( list );
+const out = name2standalone( list );
 // returns [ '@stdlib/math-base-special-sin', '@stdlib/math-base-special-cos' ]
 ```
 
@@ -61,7 +61,7 @@ var out = name2standalone( list );
 -   Non-stdlib package names are returned unchanged.
 
     ```javascript
-    var out = name2standalone( 'tape' );
+    const out = name2standalone( 'tape' );
     // returns 'tape'
     ```
 
@@ -76,21 +76,21 @@ var out = name2standalone( list );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var join = require( 'path' ).join;
-var pkgNames = require( '@stdlib/_tools/pkgs/names' ).sync;
-var rootDir = require( '@stdlib/_tools/utils/root-dir' );
-var name2standalone = require( '@stdlib/_tools/pkgs/name2standalone' );
+const join = require( 'path' ).join;
+const pkgNames = require( '@stdlib/_tools/pkgs/names' ).sync;
+const rootDir = require( '@stdlib/_tools/utils/root-dir' );
+const name2standalone = require( '@stdlib/_tools/pkgs/name2standalone' );
 
 // Resolve a namespace directory:
-var dir = join( rootDir(), 'lib', 'node_modules', '@stdlib', 'math', 'base', 'special' );
+const dir = join( rootDir(), 'lib', 'node_modules', '@stdlib', 'math', 'base', 'special' );
 
 // Resolve a list of package names:
-var names = pkgNames({
+const names = pkgNames({
     'dir': dir
 });
 
 // Convert to standalone package names:
-var out = name2standalone( names );
+const out = name2standalone( names );
 console.log( out.join( '\n' ) );
 ```
 

lib/node_modules/@stdlib/bench/README.md

@@ -37,7 +37,7 @@ limitations under the License.
 ## Usage
 
 ```javascript
-var bench = require( '@stdlib/bench' );
+const bench = require( '@stdlib/bench' );
 ```
 
 #### bench( name\[, options]\[, benchmark] )

lib/node_modules/@stdlib/cli/README.md

@@ -27,15 +27,15 @@ limitations under the License.
 ## Usage
 
 ```javascript
-var ns = require( '@stdlib/cli' );
+const ns = require( '@stdlib/cli' );
 ```
 
 #### ns
 
 Command-line interface namespace.
 
 ```javascript
-var o = ns;
+const o = ns;
 // returns {...}
 ```
 
@@ -64,8 +64,8 @@ The namespace contains the following:
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var objectKeys = require( '@stdlib/utils/keys' );
-var ns = require( '@stdlib/cli' );
+const objectKeys = require( '@stdlib/utils/keys' );
+const ns = require( '@stdlib/cli' );
 
 console.log( objectKeys( ns ) );
 ```