https://github.com/laszlopandy/elm-console

Elm library to read and write to the console in Node.
https://github.com/laszlopandy/elm-console

Last synced: about 2 months ago
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Elm library to read and write to the console in Node.

• Host: GitHub
• URL: https://github.com/laszlopandy/elm-console
• Owner: laszlopandy
• License: bsd-3-clause
• Fork: true (maxsnew/IO)
• Created: 2015-06-19T10:52:57.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2016-03-21T15:31:01.000Z (over 8 years ago)
• Last Synced: 2024-04-09T17:22:31.367Z (3 months ago)
• Language: Elm
• Homepage:
• Size: 153 KB
• Stars: 55
• Watchers: 6
• Forks: 16
• Open Issues: 8
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Lists

• Awesome-BigData - elm-console - Elm library to read and write to the console in Node. (Libraries)

README

        
Elm Console [![Build Status](https://travis-ci.org/laszlopandy/elm-console.png?branch=master)](https://travis-ci.org/laszlopandy/elm-console)

=========

This library allows reading and writing from the console in Node.

It is a replacement for `maxsnew/IO`, which is no longer updated.

Example

-------

An elm Program:

```elm

module Main where

import Console exposing (IO, (>>>), (>>=), forever, getLine, pure, exit, putStrLn)

import Task

import List

import Maybe

import String

echo : IO ()

echo = forever (getLine >>= putStrLn)

loop : IO ()

loop = getLine >>= \s ->

       if s == "exit"

       then pure ()

       else putStrLn s >>> loop

       

hello : IO ()

hello = putStrLn "Hello, Console!" >>>

        putStrLn "I'll echo your input until you say \"exit\":" >>>

        loop >>>

        putStrLn "That's all, folks!" >>>

        exit 0

port runner : Signal (Task.Task x ())

port runner = Console.run hello

```

link in some javascript and then run:

```

$ elm-make --yes test/Test.elm raw-test.js

...

$ ./elm-io.sh raw-test.js test.js

$ node test.js

Hello, Console!

I'll echo your input:

hooray

hooray

That's all, folks!

```

Design and Implementation

-------------------------

The implementation is based on the

[IOSpec](http://hackage.haskell.org/package/IOSpec) haskell library.