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bterm

A simplistic terminal emulator HTML component

Clojars Project

Overview

This component was designed to accompany the book Learn ClojureScript as a way to teach simple concepts such as control structures without requiring the reader to already know about DOM manipulation, event handling, etc.

Usage

(ns myapp
  (:require [bterm.core :as bterm]
            [bterm.io :as io]))

;; Attach component to the DOM
(def terminal (bterm/attach (.getElementById js/document "terminal")
                            {:font-size 14
                             :prompt "$ "}))

;; Print text to the terminal
(io/println terminal "Hello there, fine person. What do you say?")

;; Handle input
(io/read terminal
  (fn [input]
    (io/println terminal "Thank you for saying, \"%s\"" input)))

Setup

To get an interactive development environment run:

lein figwheel

and open your browser at localhost:3449. This will auto compile and send all changes to the browser without the need to reload. After the compilation process is complete, you will get a Browser Connected REPL. An easy way to try it is:

(js/alert "Am I connected?")

and you should see an alert in the browser window.

To clean all compiled files:

lein clean

To create a production build run:

lein do clean, cljsbuild once min

And open your browser in resources/public/index.html. You will not get live reloading, nor a REPL.

License

Copyright © 2016 Andrew Meredith

Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.

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A simple terminal emulator HTML widget

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