Add glob support

#12

bin/cli.js

@@ -37,10 +37,12 @@ const delay =        Number(cli.flagMap.delay) || 500;  //default half second de
 const trim =         Number(cli.flagMap.trim) || null;
 
 // Validator
+const globOptions =  { ignore: '**/node_modules/**/*' };
 const keep =         (filename) => !filename.includes('node_modules/');
-const readFolder =   (folder) => globSync(folder + '**/*.html', { ignore: '**/node_modules/**/*' });
+const readFolder =   (folder) => globSync(folder + '**/*.html', globOptions);
 const expandFolder = (file) => fs.lstatSync(file).isDirectory() ? readFolder(file + '/') : file;
-const getFilenames = () => [...new Set(files.map(expandFolder).flat().filter(keep))].sort();
+const getAllPaths =  () => files.map(file => globSync(file, globOptions)).flat();
+const getFilenames = () => getAllPaths().map(expandFolder).flat().filter(keep).sort();
 const list =         files.length ? getFilenames() : readFolder('');
 const excludes =     cli.flagMap.exclude?.split(',') ?? [];
 const filenames =    list.filter(name => !excludes.find(exclude => name.includes(exclude)));

package.json

@@ -99,7 +99,7 @@
       "assert-deep-strict-equal": "~1.1",
       "copy-file-util": "~1.1",
       "copy-folder-util": "~1.1",
-      "eslint": "~8.52",
+      "eslint": "~8.53",
       "jshint": "~2.13",
       "merge-stream": "~2.0",
       "mocha": "~10.2",

spec/mocha.spec.js

@@ -411,6 +411,12 @@ describe('Executing the CLI', () => {
       assertDeepStrictEqual(actual, expected);
       });
 
+   it('with a glob selects the correct files to validate', () => {
+      const actual =   run('html-validator "spec/**/valid.html" --note=glob');
+      const expected = null;
+      assertDeepStrictEqual(actual, expected);
+      });
+
    it('skips validation message matching --ignore and --ignore-config regex patterns', () => {
       const actual =   run('html-validator spec/html "--ignore=/^Section lacks heading/" --ignore-config=spec/ignore-config.txt');
       const expected = null;