feat: add the fixer function to eslint/rules/no-empty-comments

PR-URL: #3340

Co-authored-by: Philipp Burckhardt <pburckhardt@outlook.com>
Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>
Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: headlessNode

lib/node_modules/@stdlib/_tools/eslint/rules/no-empty-comments/lib/main.js

@@ -49,8 +49,23 @@ function main(context) {
 		context.report({
 			'node': null,
 			'message': 'Empty comments are not allowed',
-			'loc': comment.loc
+			'loc': comment.loc,
+			'fix': fix
 		});
+
+		/**
+		* Fixes the lint error.
+		*
+		* @private
+		* @param {Function} fixer - ESLint fixer
+		* @returns {(Object|null)} fix or null
+		*/
+		function fix( fixer ) {
+			if ( comment.type === 'Block' || comment.type === 'Line' ) {
+				return fixer.removeRange( comment.range );
+			}
+			return null;
+		}
 	}
 
 	/**
@@ -98,11 +113,12 @@ function main(context) {
 
 rule = {
 	'meta': {
+		'type': 'layout',
 		'docs': {
 			'description': 'enforce that comments are not empty'
 		},
-		'schema': [],
-		'fixable': null
+		'fixable': 'code',
+		'schema': []
 	},
 	'create': main
 };

lib/node_modules/@stdlib/_tools/eslint/rules/no-empty-comments/test/fixtures/invalid.js

@@ -33,7 +33,13 @@ test = {
 			'message': 'Empty comments are not allowed',
 			'type': null
 		}
-	]
+	],
+	'output': [
+		'function pow2( x ) {',
+		'  ',
+		'  return x*x;',
+		'}'
+	].join( '\n' )
 };
 invalid.push( test );
 
@@ -55,7 +61,19 @@ test = {
 			'message': 'Empty comments are not allowed',
 			'type': null
 		}
-	]
+	],
+	'output': [
+		'function fizzBuzz() {',
+		'  var out;',
+		'  var i;',
+		'',
+		'  for ( i = 1; i <= 100; i++ ) {',
+		'    out = ( i % 5 === 0 ) ? "Buzz" : ( i % 3 === 0 ) ? "Fizz" : i;',
+		'    ',
+		'    console.log( out );',
+		'  }',
+		'}'
+	].join( '\n' )
 };
 invalid.push( test );
 
@@ -81,7 +99,19 @@ test = {
 			'message': 'Empty comments are not allowed',
 			'type': null
 		}
-	]
+	],
+	'output': [
+		'function makePerson() {',
+		'  var person = {',
+		'    ',
+		'    \'title\': \'engineer\',',
+		'',
+		'    ',
+		'    \'name\': \'Susan\'',
+		'  };',
+		'  return person;',
+		'}'
+	].join( '\n' )
 };
 invalid.push( test );
 
@@ -102,7 +132,18 @@ test = {
 			'message': 'Empty comments are not allowed',
 			'type': null
 		}
-	]
+	],
+	'output': [
+		'function square( x ) {',
+		'  var out;',
+		'  var x;',
+		'',
+		'  out = x*x;',
+		'  ',
+		'',
+		'  return out;',
+		'}'
+	].join( '\n' )
 };
 invalid.push( test );