Uglify bundled JS from Browserify

I have the following modules installed:

  • babelify
  • babel-preset-es2015
  • browserify
  • uglifyify
  • Now I have a core file server.js which contains ES6 javascript. I can convert the ES6 to ES5 and bundle the code for browsers with the following command:

    browserify server.js -o ./public/bundle.js -t [ babelify --presets [es2015] ]
    

    But now I want to get uglifyify minifying the code and adding a source map . I can't get this working, I just can't work out the correct command. I've tried the following:

    browserify server.js -t uglifyify -t [ babelify --presets [es2015] ] -o ./public/bundle.js
    
    browserify server.js -o ./public/bundle.js -t [ uglifyify, babelify --presets [es2015] ]
    
    browserify server.js uglifyify -o ./public/bundle.js -t [ babelify --presets [es2015] ]
    

    and even without babel:

    browserify server.js -o ./public/bundle.js -t uglifyify
    browserify server.js -t uglifyify -o ./public/bundle.js
    

    Perhaps you need to use the Pipe "|" in order to make multiple procedures Try this:

    browserify server.js -t babelify | uglifyjs > public/bundle.js
    

    I hope it helps, otherwise i'll be happy to keep helping you with this issue ;)

    Best Regards.


    It's not enough to have uglifyify installed locally - you also need to install uglify-es globaly, since it's used by the uglifyify . You install it like so:

    npm i -g uglify-es
    

    Then you use it like so:

    browserify server.js -o ./public/bundle.js -t uglifyify
    

    Using it with babelify

    If you also need babelify here's how to do it:

    browserify server.js -o ./public/bundle.js -t uglifyify -t babelify
    

    Using uglify-es directly

    You can also skip using uglifyify altogether by using uglify-es directly like so:

    browserify server.js | uglifyjs -c > ./public/bundle.js
    

    The sole purpose of uglifyify is so that uglify-es can be used as a browserify transform .

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