LiveScript vs TypeScript

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LiveScript vs TypeScript: What are the differences?

LiveScript: A language which compiles to JavaScript. It has a straightforward mapping to JavaScript and allows you to write expressive code devoid of repetitive boilerplate. While LiveScript adds many features to assist in functional style programming, it also has many improvements for object oriented and imperative programming; TypeScript: A superset of JavaScript that compiles to clean JavaScript output. TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.

LiveScript can be classified as a tool in the "Languages" category, while TypeScript is grouped under "Templating Languages & Extensions".

TypeScript is an open source tool with 52.3K GitHub stars and 7.18K GitHub forks. Here's a link to TypeScript's open source repository on GitHub.

- No public GitHub repository available -

What is LiveScript?

It has a straightforward mapping to JavaScript and allows you to write expressive code devoid of repetitive boilerplate. While LiveScript adds many features to assist in functional style programming, it also has many improvements for object oriented and imperative programming.

What is TypeScript?

TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
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Why do developers choose LiveScript?
Why do developers choose TypeScript?
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        What tools integrate with LiveScript?
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        What are some alternatives to LiveScript and TypeScript?
        PureScript
        A small strongly typed programming language with expressive types that compiles to JavaScript, written in and inspired by Haskell.
        JavaScript
        JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
        CoffeeScript
        It adds syntactic sugar inspired by Ruby, Python and Haskell in an effort to enhance JavaScript's brevity and readability. Specific additional features include list comprehension and de-structuring assignment.
        PHP
        Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.
        Python
        Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
        See all alternatives
        Decisions about LiveScript and TypeScript
        Eli Hooten
        Eli Hooten
        CTO at Codecov · | 11 upvotes · 56.2K views
        atCodecovCodecov
        Visual Studio Code
        Visual Studio Code
        Vue.js
        Vue.js
        CoffeeScript
        CoffeeScript
        JavaScript
        JavaScript
        TypeScript
        TypeScript

        We chose TypeScript at Codecov when undergoing a recent rewrite of a legacy front end. Our previous front end was a mishmash of vanilla JavaScript and CoffeeScript , and was expanded upon haphazardly as the need arose. Without a unifying set of paradigms and patterns, the CoffeeScript and JavaScript setup was proving hard to maintain and expand upon by an engineering team. During a move to Vue.js , we decided to also make the move to TypeScript. Integrating TypeScript and Vue.js is fairly well understood at this point, so the setup wasn't all that difficult, and we felt that the benefits of incorporating TypeScript would outweigh the required time to set it up and get our engineering team up to speed.

        Choosing to add TypeScript has given us one more layer to rely on to help enforce code quality, good standards, and best practices within our engineering organization. One of the biggest benefits for us as an engineering team has been how well our IDEs and editors (e.g., Visual Studio Code ) integrate with and understand TypeScript . This allows developers to catch many more errors at development time instead of relying on run time. The end result is safer (from a type perspective) code and a more efficient coding experience that helps to catch and remove errors with less developer effort.

        See more
        React Native
        React Native
        Java
        Java
        Flow (JS)
        Flow (JS)
        TypeScript
        TypeScript

        I use TypeScript for Web Applications and for both frontend and backend because it has a lot of tooling around it and they really got the types and type safety right. Flow (JS) on the other hand lacks tooling and most of the times I scramble to find the right way of building my contracts in which TypeScript is very intuitive and natural. Additionally TypeScript is very similar to Java so your backend engineers and full stack engineers can work with it without much of context switch.

        The only time I think Flow shines is (based on probably my outdated knowledge) Flow is/was the only option if you want/wanted to build a React Native application mainly because React Native transpiler at the time I was working with it would only work with flow.

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        Flow (JS)
        Flow (JS)
        TypeScript
        TypeScript

        I use TypeScript because it isn't just about validating the types I'm expecting to receive though that is a huge part of it too. Flow (JS) seems to be a type system only. TypeScript also allows you to use the latest features of JavaScript while also providing the type checking. To be fair to Flow (JS), I have not used it, but likely wouldn't have due to the additional features I get from TypeScript.

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        David Koblas
        David Koblas
        VP Engineering at Payment Rails · | 9 upvotes · 8.5K views
        atPayment RailsPayment Rails
        TypeScript
        TypeScript
        Flow (JS)
        Flow (JS)
        JavaScript
        JavaScript

        We originally (in 2017) started rewriting our platform from JavaScript to Flow (JS) but found the library support for Flow was lacking. After switching gears to TypeScript we've never looked back. At this point we're finding that frontend and backend libraries are supporting TypeScript out of the box and where the support is missing that the commuity is typically got a solution in hand.

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        Forrest Norvell
        Forrest Norvell
        engineering manager at self-employed · | 6 upvotes · 17.8K views
        Visual Studio Code
        Visual Studio Code
        Flow (JS)
        Flow (JS)
        ESLint
        ESLint
        TSLint
        TSLint
        TypeScript
        TypeScript

        I use TypeScript because the tooling is more mature (the decision to discontinue TSLint in favor of moving all its checks to ESLint is a thoughtful and mature decision), there's a ton of examples and tutorials for it, and it just generally seems to be where the industry is headed. Flow (JS) is a fine tool, but it just hasn't seen the uptake that TS has, and as a result is lacking a lot of the nicer small things, like thorough Visual Studio Code integration, offered by TS.

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        Visual Studio Code
        Visual Studio Code
        Flow (JS)
        Flow (JS)
        TypeScript
        TypeScript

        We currently use TypeScript at work. Previously we used Flow (JS) but it was sometimes really difficult to make the types work the way you want. Especially non-trivial types were problematic. And the IDE support wasn't good, Flow took too much resources and sometimes remain stuck and do not show errors (I use Visual Studio Code). With TypeScript we almost do not have these problems. IDE support is superb, working with types is much easier and typing system seems more mature and powerful. There are some downsides (like partion inheritance etc.), but TS team is still pushing it forward. So for me TypeScript is clear winner.

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        JavaScript
        JavaScript
        Flow (JS)
        Flow (JS)
        TypeScript
        TypeScript

        If you will start a project from scratch I recommend to use TypeScript. But, If you work with legacy projects written in JavaScript I recommend Flow (JS). Both tools have the same objective: reduce the bad code (which create illegible code, generate bugs e problems to maintenance). Flex helps you to avoid fall in bad codes, but TypeScript prevent you to c you to create bad codes. I believe cause this some JavaScript fans don't like TS, because TS block you to write some types o code. This is the fundamental difference between TS and Flow: Flow avoid problems, but no force. TS force you to prevent problems.

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        .NET Core
        .NET Core
        React
        React
        AngularJS
        AngularJS
        TypeScript
        TypeScript

        I use TypeScript because it's adoption by many developers, it's supported by many companies, and it's growth. AngularJS, React, @ASP.NET Core. I started using it in .NET Core, then for a job. Later I added more Angular experience and wrote more React software. It makes your code easier to understand and read... which means it makes other people's code easier to understand and read.

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        TypeScript
        TypeScript

        I use TypeScript because:

        • incredible developer tooling and community support
        • actively developed and supported by Microsoft (yes, I like Microsoft) ;)
        • easier to make sense of a TS codebase because the annotations provide so much more context than plain JS
        • refactors become easier (VSCode has superb support for TS)

        I've switched back and forth between TS and Flow and decided a year ago to abandon Flow completely in favor of TS. I don't want to bash Flow, however, my main grievances are very poor tooling (editor integration leaves much to be desired), a slower release cycle, and subpar docs and community support.

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        Gustavo Muñoz
        Gustavo Muñoz
        Web UI Developer at Globant · | 2 upvotes · 5.3K views
        CoffeeScript
        CoffeeScript
        JavaScript
        JavaScript
        Flow (JS)
        Flow (JS)
        React
        React
        TypeScript
        TypeScript
        Angular 2
        Angular 2
        #ECMA
        #Angular

        Long ago when Angular 2 evolved I had to decide between the new #Angular and TypeScript or React. I really love typing my code, but forced to use TypeScript was a bit too much. I prefer the new #ECMA standard and the evolution of the old and reliable JavaScript. So finding Flow (JS) was an incredible milestone in my career as a developer. Finally, I could use types in my code, and JavaScript with the new standard. I already had the experience of CoffeeScript, so TypeScript was not an option.

        See more
        Flow (JS)
        Flow (JS)
        JavaScript
        JavaScript
        CoffeeScript
        CoffeeScript
        TypeScript
        TypeScript

        From a StackShare community member: "We are looking to rewrite our outdated front-end with TypeScript. Right now we have a mix of CoffeeScript and vanilla JavaScript. I have read that adopting TypeScript can help enforce better code quality, and best practices. I also heard good things about Flow (JS). Which one would you recommend and why?"

        See more
        Jason Barry
        Jason Barry
        Cofounder at FeaturePeek · | 4 upvotes · 10.8K views
        atFeaturePeekFeaturePeek
        npm
        npm
        Yarn
        Yarn
        Babel
        Babel
        Sublime Text
        Sublime Text
        JavaScript
        JavaScript
        React
        React
        TypeScript
        TypeScript
        Flow (JS)
        Flow (JS)
        #Frontend

        I think our #Frontend stack is pretty standard – but we have taken some deviations from a typical modern stack:

        • Flow (JS) instead of TypeScript. Flow was an easy choice 2+ years ago, as both flow and React were (and still are) maintained by Facebook. Today, it seems that the JavaScript community has settled on TypeScript as the winner. For new projects, I'd choose TS, but I don't see the point in migrating an existing project from flowtype to TS, when the end result will be roughly the same. Sure, memory usage is a bit high, and every now and then I have to kill some zombie processes, but our text editors (Sublime Text), CI scripts, and Babel are already set up to take advantage of the type safety that flow offers. When/if the React team writes React itself in TS, then I'll take a closer look – until then, flow works for us.

        • Yarn instead of npm. When yarn debuted, we never looked back. Now npm has pretty much caught up with speed and lockfiles, but yarn gives me confidence that my dependency installs are deterministic. Really interested in the plug-n-play (PnP) feature that removes the need for a node_modules folder, but haven't implemented this yet.

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        Interest over time
        Reviews of LiveScript and TypeScript
        Avatar of lpellegr
        Noticeable
        Review ofTypeScriptTypeScript

        Typed JavaScript is just fantastic for medium to large size projects. The type system is well thought and compatible with standard JavaScript. Almost any new Javascript-based development should use TypeScript to save time and prevent technical debt over time.

        How developers use LiveScript and TypeScript
        Avatar of NewCraft
        NewCraft uses TypeScriptTypeScript

        Typescript has been a win because, in general, it makes codebase maintenance less brittle. It's significantly easier to refactor in TS than JS, which encourages incremental improvements, file re-organizing, etc. Our developers are happier with the overall development experience.

        The downside is that TS sometimes exacerbates problems caused by Node's fragmented ecosystem. Sometimes @types/ don't work, other times types are outdated. This can lead to problems with newly-installed libraries.

        If your project is big enough, I'd say TS is nearly always worth it, but it can make selecting libraries a pain.

        Avatar of Matt Welke
        Matt Welke uses TypeScriptTypeScript

        Used for Node.js personal projects that I think will have a longer lifetime than others, or that are combined with a web front end component like Angular (to share types).

        Generally a poor developer experience. Usage decreasing recently compared to other preferred programming languages/platforms.

        Avatar of Marc3842h
        Marc3842h uses TypeScriptTypeScript

        TypeScript is used in Kuro (https://github.com/Marc3842h/kuro).

        Kuro is the browser facing portion of shiro. Typescript is the language in which the web server and the frontend scripts are written in. They later get compiled down to vanilla JavaScript.

        Avatar of John Harris
        John Harris uses TypeScriptTypeScript

        Excellent design-time type checking and the ability for the Typescript compiler to attach typing information to metadata at compile time allows for relatively simple type checking at run-time as well.

        Avatar of Blood Bot
        Blood Bot uses TypeScriptTypeScript

        We, our team can sleep comfortable at night know "x is undefined" will not occur in production. It's also really helpful as IDE help in code completion when they know types.

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