Closure Compiler vs Webpack

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Closure Compiler
Closure Compiler

26
39
+ 1
5
Webpack
Webpack

14.5K
10.5K
+ 1
740
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Closure Compiler vs Webpack: What are the differences?

Developers describe Closure Compiler as "A JavaScript checker and optimizer". The Closure Compiler is a tool for making JavaScript download and run faster. It is a true compiler for JavaScript. Instead of compiling from a source language to machine code, it compiles from JavaScript to better JavaScript. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls. On the other hand, Webpack is detailed as "A bundler for javascript and friends". A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

Closure Compiler belongs to "JavaScript Optimizers" category of the tech stack, while Webpack can be primarily classified under "JS Build Tools / JS Task Runners".

Closure Compiler and Webpack are both open source tools. Webpack with 49.8K GitHub stars and 6.27K forks on GitHub appears to be more popular than Closure Compiler with 5.02K GitHub stars and 923 GitHub forks.

What is Closure Compiler?

The Closure Compiler is a tool for making JavaScript download and run faster. It is a true compiler for JavaScript. Instead of compiling from a source language to machine code, it compiles from JavaScript to better JavaScript. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls.

What is Webpack?

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
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    What are some alternatives to Closure Compiler and Webpack?
    Babel
    Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
    UglifyJS
    This package implements a general-purpose JavaScript parser/compressor/beautifier toolkit. It is developed on NodeJS, but it should work on any JavaScript platform supporting the CommonJS module system (and if your platform of choice doesn’t support CommonJS, you can easily implement it, or discard the exports.* lines from UglifyJS sources).
    See all alternatives
    Decisions about Closure Compiler and Webpack
    JavaScript
    JavaScript
    jQuery
    jQuery
    gulp
    gulp
    Webpack
    Webpack

    I use JavaScript these days and for few years I didn't have to use jQuery at all. I used to use it back in the days when IE8 and similar was a thing. But due to better browser support of native functions for DOM manipulation I could move to vanilla JavaScript. Most of the time, that's all I need to work with modals/accordions and similar. But I'm not saying that jQuery is bad. It was, and still is a great tool. Some of it's features are available in all browsers nowadays so it is not so important as it used to be. But jQuery has still advantage for example in it's selector engine, some DOM selections which are easy in jQuery are a bit more difficult in vanilla JS (you have to create some helper functions or use some 3rd party library to help you with that), but to be honest I needed this on very few occasions. So it really depends on your project (supported browses, plain JS or some bundling - gulp, Webpack, whether you plan to use modules etc.). Hope this helps.

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    Gustavo Muñoz
    Gustavo Muñoz
    Web UI Developer at Globant · | 4 upvotes · 371.4K views
    Webpack
    Webpack
    Grunt
    Grunt
    gulp
    gulp
    Parcel
    Parcel
    #Merge
    #WebPackDevServer

    Using Webpack is one of the best decision ever. I have used to Grunt and gulp previously, but the experience is not the same, and despite I know there are other bundlers like Parcel, Webpack gives me the perfect balance between automatization and configuration. The ecosystem of tools and loaders is amazing, and with WebPack #merge, you can modularize your build and define standard pieces to assemble different build configurations. I don't like processes where you cannot see their guts, and you have to trust in magic a little bit too much for my taste. But also I don't want to reinvent the wheel and lose too much time configuring my build processes. And of course, I love #WebPackDevServer and hot reloading.

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    Interest over time
    Reviews of Closure Compiler and Webpack
    No reviews found
    How developers use Closure Compiler and Webpack
    Avatar of Volkan Özçelik
    Volkan Özçelik uses WebpackWebpack

    Webpack is the best bundler. Period.

    Yes, it has a(n arguably) messy documentation, and a steep learning curve; but once you get the hang of it, there is nothing you cannot do with it.

    Use it and you don’t have to use any other bundler at all.

    It has a vivid ecosystem, and great plugin support.

    Avatar of Alec Cunningham
    Alec Cunningham uses WebpackWebpack

    My preferred build tool; allows me to bundle my JSX, JS, CSS files for easy access and I can pass the bundle through my node server for server side rendering.

    Avatar of Kent Steiner
    Kent Steiner uses WebpackWebpack

    Flexible building and compiling of source for browser consumption, mainly for JS, but experimenting a little with CSS (although I prefer StylusJS for CSS).

    Avatar of Andrew Gatenby
    Andrew Gatenby uses WebpackWebpack

    We use this to optimise the delivery of the client-side for our revised Admin System, so it's able to be delivered to browsers as efficiently as possible.

    Avatar of Cameron Drake
    Cameron Drake uses WebpackWebpack

    Webpack compiles files to bundles with source maps. Using Webpack you can use the latest features (ES6) and have it compiled to compliant js.

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