fix: apply suggestions from code review

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: passed
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: headlessNode

lib/node_modules/@stdlib/string/num-code-points/bin/cli

@@ -28,8 +28,6 @@ var CLI = require( '@stdlib/cli/ctor' );
 var stdin = require( '@stdlib/process/read-stdin' );
 var stdinStream = require( '@stdlib/streams/node/stdin' );
 var RE_EOL = require( '@stdlib/regexp/eol' ).REGEXP;
-var isRegExpString = require( '@stdlib/assert/is-regexp-string' );
-var reFromString = require( '@stdlib/utils/regexp-from-string' );
 var numCodePoints = require( './../lib' );
 
 
@@ -43,9 +41,10 @@ var numCodePoints = require( './../lib' );
 */
 function main() {
 	var flags;
-	var split;
+	var lines;
 	var args;
 	var cli;
+	var i;
 
 	// Create a command-line interface:
 	cli = new CLI({
@@ -67,17 +66,16 @@ function main() {
 
 	// Check if we are receiving data from `stdin`...
 	if ( !stdinStream.isTTY ) {
-		if ( flags.split ) {
-			if ( !isRegExpString( flags.split ) ) {
-				flags.split = '/'+flags.split+'/';
-			}
-			split = reFromString( flags.split );
-		} else {
-			split = RE_EOL;
-		}
 		return stdin( onRead );
 	}
-	console.log( numCodePoints( args[ 0 ] ) ); // eslint-disable-line no-console
+	if ( flags.lines ) {
+		lines = args[ 0 ].split( RE_EOL );
+		for ( i = 0; i < lines.length; i++ ) {
+			console.log( numCodePoints( lines[ i ] ) ); // eslint-disable-line no-console
+		}
+	} else {
+		console.log( numCodePoints( args[ 0 ] ) ); // eslint-disable-line no-console
+	}
 
 	/**
 	* Callback invoked upon reading from `stdin`.
@@ -93,14 +91,14 @@ function main() {
 		if ( error ) {
 			return cli.error( error );
 		}
-		lines = data.toString().split( split );
-
-		// Remove any trailing separators (e.g., trailing newline)...
-		if ( lines[ lines.length-1 ] === '' ) {
-			lines.pop();
-		}
-		for ( i = 0; i < lines.length; i++ ) {
-			console.log( numCodePoints( lines[ i ] ) ); // eslint-disable-line no-console
+		data = data.toString();
+		if ( flags.lines ) {
+			lines = data.split( RE_EOL );
+			for ( i = 0; i < lines.length; i++ ) {
+				console.log( numCodePoints( lines[ i ] ) ); // eslint-disable-line no-console
+			}
+		} else {
+			console.log( numCodePoints( data ) ); // eslint-disable-line no-console
 		}
 	}
 }

lib/node_modules/@stdlib/string/num-code-points/test/test.cli.js

@@ -175,7 +175,7 @@ tape( 'when invoked with a `-l` flag, the command-line interface prints the numb
 		if ( error ) {
 			t.fail( error.message );
 		} else {
-			t.strictEqual( stdout.toString(), '9\n', 'expected value' );
+			t.strictEqual( stdout.toString(), '4\n4\n', 'expected value' );
 			t.strictEqual( stderr.toString(), '', 'does not print to `stderr`' );
 		}
 		t.end();
@@ -196,7 +196,7 @@ tape( 'the command-line interface supports use as a standard stream', opts, func
 		if ( error ) {
 			t.fail( error.message );
 		} else {
-			t.strictEqual( stdout.toString(), '4\n5\n', 'expected value' );
+			t.strictEqual( stdout.toString(), '10\n', 'expected value' );
 			t.strictEqual( stderr.toString(), '', 'does not print to `stderr`' );
 		}
 		t.end();