chore: rename variables and define empty line regexp

---
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: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - 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: Planeshifter

lib/node_modules/@stdlib/_tools/remark/plugins/remark-lint-html-section-structure/lib/main.js

@@ -30,11 +30,12 @@ var trim = require( '@stdlib/string/trim' );
 // VARIABLES //
 
 var debug = logger( 'remark-lint-html-section-structure' );
-var SECTION_START = /<section(?:\s+class="([^"]*)")?>/;
-var SECTION_END = /<\/section>$/;
-var SECTION_END_WITH_COMMENT = /<\/section>\s*<!--\s*\/\.([^*]*)\s*-->/;
-var END_COMMENT_SIMPLE = /<!--\s*\/\.([^>]+)-->/;
-var END_COMMENT = /^\s*<!--\s*\/\.([^\s]*)\s*-->/;
+var RE_SECTION_START = /<section(?:\s+class="([^"]*)")?>/;
+var RE_SECTION_END = /<\/section>$/;
+var RE_SECTION_END_WITH_COMMENT = /<\/section>\s*<!--\s*\/\.([^*]*)\s*-->/;
+var RE_END_COMMENT_SIMPLE = /<!--\s*\/\.([^>]+)-->/;
+var RE_END_COMMENT = /^\s*<!--\s*\/\.([^\s]*)\s*-->/;
+var RE_EMPTY_LINES = /(\r?\n)\s*(\r?\n)/;
 var htmlSectionStructureRule;
 
 
@@ -148,7 +149,7 @@ function hasEmptyLine( node ) {
 	value = node.value;
 
 	// Look for at least two consecutive newlines (representing an empty line):
-	return (/(\r?\n)\s*(\r?\n)/).test( value );
+	return RE_EMPTY_LINES.test( value );
 }
 
 
@@ -224,7 +225,7 @@ function linter( tree, file, options, clbk ) {
 		}
 
 		// Check if this is a combined section end with comment on the same line (which is an error):
-		combinedMatch = SECTION_END_WITH_COMMENT.exec( node.value );
+		combinedMatch = RE_SECTION_END_WITH_COMMENT.exec( node.value );
 		if ( combinedMatch ) {
 			debug( 'Found combined section end with comment: %s', node.value );
 			msg = 'Missing empty line between closing section tag and comment. There should be an empty line between </section> and <!-- /.' + combinedMatch[1] + ' -->';
@@ -240,7 +241,7 @@ function linter( tree, file, options, clbk ) {
 		}
 
 		// Check if this is a section start tag:
-		sectionMatch = SECTION_START.exec( node.value );
+		sectionMatch = RE_SECTION_START.exec( node.value );
 		if ( sectionMatch ) {
 			debug( 'Found a section start tag with class: %s', sectionMatch[1] || '[none]' );
 
@@ -267,7 +268,7 @@ function linter( tree, file, options, clbk ) {
 		}
 
 		// Check if this is a section end tag:
-		endMatch = SECTION_END.exec( node.value );
+		endMatch = RE_SECTION_END.exec( node.value );
 		if ( endMatch ) {
 			debug( 'Found a section end tag' );
 
@@ -286,7 +287,7 @@ function linter( tree, file, options, clbk ) {
 				// Look at the next node to check if it's a comment:
 				if ( nextNode.type === 'html' ) {
 					// Check if the next node is a comment but NOT on the same line
-					commentClass = extractCommentClass( nextNode, END_COMMENT, END_COMMENT_SIMPLE );
+					commentClass = extractCommentClass( nextNode, RE_END_COMMENT, RE_END_COMMENT_SIMPLE );
 
 					if ( commentClass ) {
 						// Check if there are at least 2 line breaks between them:
@@ -324,7 +325,7 @@ function linter( tree, file, options, clbk ) {
 
 				// Check if the following node is the expected comment:
 				if ( commentNode.type === 'html' ) {
-					match = END_COMMENT.exec( commentNode.value );
+					match = RE_END_COMMENT.exec( commentNode.value );
 					if ( match ) {
 						current = sectionStack[ sectionStack.length - 1 ];
 						msg = 'Mismatched section class in closing comment. Opening tag has class="%s1" but closing comment is <!-- /.%s2 -->. They should match.';