fix: replace deprecated context.getFilename() with context.filename in ESLint rules

lib/node_modules/@stdlib/_tools/eslint/rules/doctest/lib/main.js

@@ -129,7 +129,7 @@ function main( context ) {
 	}
 	sourceCode = replace( source.text, RE_JSDOC, '' );
 	sourceCode = replace( sourceCode, RE_ESLINT_INLINE, '\n' );
-	filename = context.getFilename();
+	filename = context.filename;
 	dir = dirname( filename );
 	/**
 	* Requires modules after converting relative to absolute paths.

lib/node_modules/@stdlib/_tools/eslint/rules/first-unit-test/lib/main.js

@@ -75,7 +75,7 @@ function main( context ) {
 
 		hasMainExportTest = false;
 		tOkExists = false;
-		filename = context.getFilename();
+		filename = context.filename;
 		if (
 			contains( filename, '/test/' ) &&
 			contains( filename, 'test.' ) &&

lib/node_modules/@stdlib/_tools/eslint/rules/jsdoc-doctest/lib/main.js

@@ -136,7 +136,7 @@ function main( context ) {
 		// Do not lint executable Node.js script files:
 		return {};
 	}
-	filename = context.getFilename();
+	filename = context.filename;
 	dir = dirname( filename );
 	opts = {
 		'includeDecimal': false

lib/node_modules/@stdlib/_tools/eslint/rules/jsdoc-license-header-year/lib/main.js

@@ -39,7 +39,7 @@
 * @returns {Object} validators
 */
 function main( context ) {
-	var filename = context.getFilename();
+	var filename = context.filename;
 	var source = context.sourceCode;
 
 	return {
@@ -99,7 +99,7 @@
 
 			// Use `git` to determine the year the file was created...
 			try {
 				expected = execSync( 'git log --diff-filter=A --follow --format=%ad --date=short -- '+filename, {
 					'encoding': 'utf8'
 				});
 				expected = expected.split( '-' )[ 0 ];

lib/node_modules/@stdlib/_tools/eslint/rules/jsdoc-main-export/lib/main.js

@@ -30,7 +30,7 @@
 
 // VARIABLES //
 
 // TODO: Figure out a better way than relying on a curated list of non-verbs
 var NON_VERBS = [
 	'Bias',
 	'BLAS',
@@ -64,7 +64,7 @@
 	var source;
 
 	source = context.sourceCode;
-	modulePath = context.getFilename();
+	modulePath = context.filename;
 
 	// Get the part starting with `@stdlib`, shift by one to avoid leading `@`:
 	modulePath = modulePath.substr( modulePath.indexOf( '@stdlib' )+1 );

lib/node_modules/@stdlib/_tools/eslint/rules/namespace-export-all/lib/main.js

@@ -68,7 +68,7 @@
 * @returns {boolean} boolean indicating whether the directory content is a directory
 */
 function isDirectory( content ) {
 	var stat = statSync( content );
 	return stat.isDirectory();
 }
 
@@ -103,7 +103,7 @@
 	} else {
 		excludes = EXCLUDE_LIST;
 	}
-	filename = context.getFilename();
+	filename = context.filename;
 	if ( !filename || !endsWith( filename, 'index.js' ) ) {
 		return {};
 	}

lib/node_modules/@stdlib/_tools/eslint/rules/no-self-require/lib/main.js

@@ -59,7 +59,7 @@ function main( context ) {
 	* @param {string} id - module identifier
 	*/
 	function isSelfRequire( context, node, id ) {
-		var filePath = context.getFilename();
+		var filePath = context.filename;
 		if ( filePath && id && filePath === resolve( id ) ) {
 			report( node );
 		}

lib/node_modules/@stdlib/_tools/eslint/rules/require-file-extensions/lib/main.js

@@ -112,7 +112,7 @@ function main( context ) {
 		if ( node.callee.name === 'require' ) {
 			requirePath = node.arguments[ 0 ].value;
 			if ( isString( requirePath ) ) {
-				filename = context.getFilename();
+				filename = context.filename;
 				dir = dirname( filename );
 				if ( startsWith( requirePath, '.' ) ) {
 					requirePath = path.resolve( dir, requirePath );

lib/node_modules/@stdlib/_tools/eslint/rules/tsdoc-declarations-doctest/lib/main.js

@@ -351,7 +351,7 @@ function main( context ) {
 	var dir;
 
 	sourceCode = context.sourceCode;
-	filename = context.getFilename();
+	filename = context.filename;
 
 	// Only process TypeScript declaration files:
 	if ( !endsWith( filename, '.d.ts' ) ) {