validator / grunt-html / 1340819530

/*

 * grunt-html

 * https://github.com/validator/grunt-html

 *

 * Copyright Jörn Zaefferer

 * Licensed under the MIT license.

 */

'use strict';

const path = require('path');

const htmllint = require('../lib/htmllint.js');

const reporters = require('../lib/reporters.js');

module.exports = grunt => {

  grunt.registerMultiTask('htmllint', 'Validate html files', function() {

    const done = this.async();

    const files = grunt.file.expand(this.filesSrc);

    const options = this.options({

      files,

      force: false,

      absoluteFilePathsForReporter: false,

      errorlevels: ['info', 'warning', 'error'],

      noLangDetect: false,

      threads: 'auto'

    });

    const { force } = options;

    let { reporterOutput } = options;

    let reporter;

    htmllint(options, (error, result) => {

      let passed = true;

      let output;

      try {

        reporter = reporters.selectReporter(options);

      } else if (result.length === 0) {

        grunt.log.ok(`${files.length} ${grunt.util.pluralize(files.length, 'file/files')} lint free.`);

      } else {

        passed = force;

        output = reporter(result);

        if (!reporterOutput) {

          grunt.log.writeln(output);

        }

        const uniqueFiles = result.map(element => element.file)

          .filter((file, index, resultFiles) => resultFiles.indexOf(file) === index);

        grunt.log.error(`${files.length} ${grunt.util.pluralize(files.length, 'file/files')} checked, ` +

                        `${result.length} ${grunt.util.pluralize(result.length, 'error/errors')} in ${uniqueFiles.length} ` +

                        `${grunt.util.pluralize(uniqueFiles.length, 'file/files')}`);

      }

      // Write the output of the reporter if wanted

      if (reporterOutput && result.length > 0) {

        reporterOutput = grunt.template.process(reporterOutput);

        const destDir = path.dirname(reporterOutput);

        if (!grunt.file.exists(destDir)) {

          grunt.file.mkdir(destDir);

        }

        grunt.file.write(reporterOutput, output);

        grunt.log.ok(`Report "${reporterOutput}" created.`);

      }

      done(passed);

    });

  });

};