From e465bc7495c64e44b60c0e69a7de24d37b98d851 Mon Sep 17 00:00:00 2001
From: jinhyuk9714 <jinhyuk9714@gmail.com>
Date: Wed, 20 May 2026 14:20:38 +0900
Subject: [PATCH] fix: handle emoji modifiers in previous grapheme breaks

---
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_pkg_readmes
    status: na
  - task: lint_markdown_docs
    status: na
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - 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: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../string/prev-grapheme-cluster-break/lib/main.js       | 3 ---
 .../string/prev-grapheme-cluster-break/test/test.js      | 9 +++++++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js b/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js
index 5395038e6e4c..7d884ad62e4e 100644
--- a/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js
+++ b/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js
@@ -105,9 +105,6 @@ function prevGraphemeClusterBreak( str, fromIndex ) {
 	for ( i = 1; i <= idx; i++ ) {
 		// If the current character is part of a surrogate pair, move along...
 		if ( hasUTF16SurrogatePairAt( str, i-1 ) ) {
-			ans = i-2;
-			breaks.length = 0;
-			emoji.length = 0;
 			continue;
 		}
 		cp = codePointAt( str, i );
diff --git a/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/test/test.js b/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/test/test.js
index e0811d476245..bbec778bb251 100644
--- a/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/test/test.js
+++ b/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/test/test.js
@@ -192,6 +192,15 @@ tape( 'the function returns the previous grapheme break position in a specified
 	t.end();
 });
 
+tape( 'the function treats emoji modifier sequences as a single extended grapheme cluster', function test( t ) {
+	var out;
+
+	out = prevGraphemeClusterBreak( '👉🏿' );
+	t.strictEqual( out, -1, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function returns zero when the second argument is a negative integer (equivalent to clamping the second argument to zero)', function test( t ) {
 	var out;