Rescript

Rescript is a programming language created in 2020.

#1136on PLDB

4Years Old

2kRepos

Try now: Web

ReScript is a robustly typed language that compiles to efficient and human-readable JavaScript. It comes with a lightning fast compiler toolchain that scales to any codebase size.

Rescript website
There are at least 1,604 Rescript repos on GitHub
file extensions for Rescript include res
Rescript compiles to JavaScript
Rescript on Twitter
The Google BigQuery Public Dataset GitHub snapshot shows 52 users using Rescript in 54 repos on GitHub
rescript-lang.org was registered in 2020

Example from the web:

module Button = {
  @react.component
  let make = (~count: int) => {
    let times = switch count {
    | 1 => "once"
    | 2 => "twice"
    | n => Belt.Int.toString(n) ++ " times"
    }
    let msg = "Click me " ++ times

    <button> {msg->React.string} </button>
  }
}

Example from hello-world:

Js.log("Hello World")

Feature	Supported	Token	Example
Strings	✓	"	"Hello world"
Print() Debugging	✓	Js.log
Comments	✓		// A comment
Line Comments	✓	//	// A comment
Semantic Indentation	X

Rescript - Programming language

Language features