git-guppy and gulp tasks setup

.jsbeautifyrc

{
  "indent_size": 2,
  "indent_char": " ",
  "indent_with_tabs": false,
  "eol": "\n",
  "end_with_newline": false,
  "indent_level": 0,
  "preserve_newlines": true,
  "max_preserve_newlines": 10,
  "space_in_paren": false,
  "space_in_empty_paren": false,
  "jslint_happy": true,
  "space_after_anon_function": false,
  "break_chained_methods": false,
  "keep_array_indentation": false,
  "unescape_strings": false,
  "wrap_line_length": 0,
  "e4x": false,
  "comma_first": false,
  "operator_position": "before-newline"
}

config.js

const server = "server";

module.exports = {
  linters: {
    eslint: {
      src: `${server}/**/*.js`
    }
  }
};

eslint.js

const config = require("../config");
const formatter = require("eslint-formatter-pretty");

module.exports = (gulp, plugins) => {
  return () => {
    gulp
    .src(config.linters.eslint.src)
    .pipe(plugins.eslint())
    .pipe(plugins.eslint.format(formatter))
    .pipe(plugins.eslint.failAfterError());
  };
};

gulpfile.js

const gulp = require("gulp");
const $ = require("gulp-load-plugins");
const requireDir = require("require-dir");
const taskDirectory = `${__dirname}/gulpTasks`;

/**
 * Directory structure
 *  /
 *    gulpTasks/
 *      first/
 *      second/
 *      third/
 */
const taskDirectoryNames = [
  "first",
  "second",
  "third"
].map(name => `${taskDirectory}/${name}`);

taskDirectoryNames.forEach((dir) => {
  const tasks = requireDir(dir);
  
  Object.keys(tasks).forEach((task) => {
    gulp.task(task, require(`${dir}/${task}`)(gulp, $));
  });
});

gulp.task("pre-commit", ["prettify", "eslint"]);
gulp.task("default", []);

package.json

{
  "scripts": {
    "postinstall": "guppy install pre-commit"
  },
  "devDependencies": {
    "eslint": "^3.17.1",
    "eslint-formatter-pretty": "^1.1.0",
    "git-guppy": "^2.0.0",
    "gulp": "^3.9.1",
    "gulp-eslint": "^3.0.1",
    "gulp-filter": "^5.0.0",
    "gulp-jsbeautifier": "^2.1.0",
    "gulp-load-plugins": "^1.5.0",
    "guppy-cli": "^1.2.2",
    "require-dir": "^0.3.1"
  }
}

prettify.js

const config = require("../config");

module.exports = (gulp, plugins) => {
  return () => {
    gulp
      .src(config.linters.eslint.src, { base: "./" })
      .pipe(plugins.jsbeautifier({
        config: "./.jsbeautifyrc"
      }))
      .pipe(gulp.dest("./"));
  };
};