Gulp base

gulpfile.js

var gulp = require('gulp');
var less = require('gulp-less');
var minify = require('gulp-minify');
var path = require('path');
var jsonminify = require('gulp-jsonminify');
var rename = require("gulp-rename");
var babel = require('gulp-babel');


gulp.task('default', function(cb) 
{
	
});

npm.txt

SEPARATE:

npm install gulp -g
npm install gulp-jsonminify --save-dev
npm install gulp-less --save-dev
npm install gulp-minify --save-dev
npm install gulp-rename --save-dev
npm install babel-cli --save-dev
npm install gulp-babel babel-preset-env --save-dev

TOGETHER:

npm install gulp -g
npm install gulp-jsonminify gulp-less gulp-minify gulp-rename babel-cli gulp-babel babel-preset-env --save-dev

LINKS:

https://gulpjs.com/
https://babeljs.io/

https://www.npmjs.com/package/gulp-babel
https://www.npmjs.com/package/gulp-minify
https://www.npmjs.com/package/gulp-less
https://www.npmjs.com/package/gulp-jsonminify
https://www.npmjs.com/package/gulp-rename

package.json

"devDependencies": 
{
	"babel-cli": "^6.26.0",
	"gulp-callback": "0.0.3",
	"gulp-jsonminify": "^1.0.0",
	"gulp-less": "^3.3.2",
	"gulp-minify": "^2.1.0",
	"gulp-rename": "^1.2.2",
	"babel-preset-env": "^1.6.1",
    	"gulp-babel": "^7.0.0"
}