LiveScript

terminal edit

LiveScript is an open source programming language created in 2011 by Jeremy Ashkenas and Satoshi Murakami and George Zahariev.

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LiveScript is a functional programming language that compiles to JavaScript. It was created by Jeremy Ashkenas—the creator of CoffeeScript—along with Satoshi Muramaki, George Zahariev, and many others. For a brief period in the 1990s, LiveScript was the name of JavaScript.. Read more on Wikipedia...

LiveScript Wikipedia page
There are at least 1,905 LiveScript repos on GitHub
LiveScript first developed in https://github.com/gkz/LiveScript/issues
file extensions for LiveScript include ls and _ls
The Google BigQuery Public Dataset GitHub snapshot shows 2k users using LiveScript in 2k repos on GitHub
Explore LiveScript snippets on Rosetta Code
Pygments supports syntax highlighting for LiveScript
GitHub supports syntax highlighting for LiveScript
There is 1 Jupyter Kernel for LiveScript
See also: (5 related languages)JavaScript, Haskell, CoffeeScript, F#, Elixir

Example from Riju:

console.log "Hello, world!"

Example from hello-world:

console.log "Hello World"

Example from Linguist:

a = -> 1
const b = --> 2
var c = ~> 3
d = ~~> 10_000_000km * 500ms
e = (a) -> (b) ~> (c) --> (d, e) ~~> 5
dashes-identifiers = ->
  a - a
  b -- c
  1-1 1- -1
  a- a
  a -a
underscores_i$d = ->
/regexp1/ and //regexp2//g
'strings' and "strings" and \strings
([2 til 10] or [1 to 50])
  |> map (* 2)
  |> filter (> 5)
  |> fold (+)

class Class extends Anc-est-or
  (args) ->

copy = (from, to, callback) -->
  error, data <- read file
  return callback error if error?
  error <~ write file, data
  return callback error if error?
  callback()

->
~>
~~>
-->
# Comment
/* Comment */

Feature	Supported	Token	Example
Integers	✓		# [0-9]+(~[0-9a-z]+)?(?:[a-zA-Z_]+)?
Floats	✓		# [0-9]+\.[0-9]+([eE][0-9]+)?[fd]?(?:[a-zA-Z_]+)?
Strings	✓	"	"Hello world"
MultiLine Comments	✓	/* */	/* A comment */
Print() Debugging	✓	console.log
Comments	✓		# A comment
Line Comments	✓	#	# A comment
Semantic Indentation	✓

LiveScript - Programming language

Language features