gulp-diff/gulp/eslint.js

Show diffs for files in the stream against those in a target directory

'use strict';

var eslint = require('gulp-eslint');

module.exports = function(gulp, conf) {
  gulp.task('eslint', function() {
    return gulp.src([
        '!node_modules/**/*.js',
        '**/*.js'
      ])
      .pipe(eslint())
      .pipe(eslint.format())
      .pipe(eslint.failOnError())
      .on('error', function() {
        // record that there have been errors
        gulp.fail = true;
      });
  });
};