How to use the jshint.JSHINT function in jshint

function lint(path, callback) {
	var buf = fs.readFileSync(path, 'utf-8');
	// remove Byte Order Mark
	buf = buf.replace(/^\uFEFF/, '');

	jshint.JSHINT(buf);

	var nErrors = jshint.JSHINT.errors.length;

	if (nErrors) {
		// ruff output of errors (for now)
		console.log(jshint.JSHINT.errors);
		console.log(' Found %j lint errors on %s, do you want to continue?', nErrors, path);

		cli.choose(['no', 'yes'], function(i){
			if (i) {
				process.stdin.destroy();
				if(callback) callback();
			} else {
				process.exit(0);
			}
		});

module.exports.validate = function(file, callback) {
    
    var data      = fs.readFileSync(file, 'utf-8')
    ,   options   = require("./jshint_config")
    ,   validator = require("jshint").JSHINT
    ,   nodebot   = this
    ,   report    = [];

    // Validate it
    validator(data, options);
    
    errors = validator.errors;

    if (errors.length > 0) {
        
        // Report errors
        validator.errors.forEach(function(error){

            if (error === null) return false;

            error.type = "error";

            return report.push(error);
        });
        
        generate_report(report);

var getTabStr = function(options) {
    // Do something that's going to error.
    jshint('\tx', options || {});
    // If an error occurred, figure out what character JSHint reported and
    // subtract one.
    var character = jshint.errors && jshint.errors[0] && jshint.errors[0].character - 1;
    // If character is actually a number, use it. Otherwise use 1.
    var tabsize = isNaN(character) ? 1 : character;
    // If tabsize > 1, return something that should be safe to use as a
    // placeholder. \uFFFF repeated 2+ times.
    return tabsize > 1 && grunt.util.repeat(tabsize, '\uFFFF');
  };

function lintFiles(files) {

	var errorsFound = 0,
	    i, j, len, len2, src, errors, e;

	for (i = 0, len = files.length; i < len; i++) {

		jshint.JSHINT(fs.readFileSync(files[i], 'utf8'), hintrc.config, hintrc.globals);
		errors = jshint.JSHINT.errors;

		for (j = 0, len2 = errors.length; j < len2; j++) {
			e = errors[j];
			console.log(files[i] + '\tline ' + e.line + '\tcol ' + e.character + '\t ' + e.reason);
		}

		errorsFound += len2;
	}

	return errorsFound;
}

return function () {
    var content = fs.readFileSync(file).toString()
    var fixed = ''

    var fmjOptions = commander.indentPref
      ? fu.merge(config, { indentpref: commander.indentPref })
      : config

    try {
      if (commander.legacy) {
        jshint(content, config)
        fixed = fixmyjs(jshint.data(), content, fmjOptions).run()
      } else {
        fixed = fixmyjs.fix(content, fmjOptions)
      }
    } catch (ex) {
      ex.stack = 'File: ' + file + '\n' + ex.stack
      throw ex
    }

    if (commander.silent) {
      return true
    } else if (commander.dryRun || commander.diff) {
      printDiff(content, fixed)
    } else if (commander.patch) {
      createPatch(file, content, fixed)
    } else {

    return inputs.forEach(input => jshint.JSHINT(input));
  }

function fix(source, options) {
    try {
      if (options.legacy) {
        var jshint = require('jshint').JSHINT;
        jshint(source, options);
        return fixmyjs(jshint.data(), source, options).run();
      }
      return fixmyjs.fix(source, options);
    } catch (e) {
      grunt.log.error(e);
      grunt.fail.warn('JavaScript fixification failed.');
    }
  }
};