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Try PureScript

Try PureScript is an online PureScript code editor for quickly experimenting with PureScript code snippets and ideas.

How to Add a New Backend

  • Create a bower.json/psc-package.json file with all the dependencies you want to be available for the library backend and optionally an extra Try module if you want. Example PR
  • Write an example in a github gist and name it Main.purs. Example Gist
  • add a backend button and a backend option in index.html and index.js respectively. Example PR
    • Note to link the gist from the previous bullet in the mainGist field in index.js
  • Ask phil to update the core main gist to link to the new backend

Features:

  • Writing code using the Ace Editor
  • Automatic compilation
  • PureScript syntax highlighting
  • Run and print output or show resulting JavaScript
  • Multiple view modes: code, output or both
  • Persistent session
  • Load PureScript code from Github Gists
  • Save PureScript code as anonymous Github Gists
    • (Note: These Gists are not associated with your GitHub account and are visible to anyone with a link to them)

Control Features via the Query String

Most of these features can be controlled not only from the toolbar, but also using the query parameters:

  • Load From Gist: Load PureScript code from Gist id using the gist parameter

    • Example: gist=37c3c97f47a43f20c548 will load the code from this Gist if the file was named Main.purs

  • View Mode: Control the view mode using the view parameter

    • Options are: code, output, both
    • Example: view=output will only display the output

  • Backend: Control which backend will compile your code using the backend parameter

    • Options are: core, thermite, slides, flare, mathbox, behavior
    • Example: backend=thermite will use the thermite backend

  • Auto Compile: Automatic compilation can be turned off using the compile parameter

    • Options are: true, false
    • Example: compile=false will turn auto compilation off

  • JavaScript Code Generation: Print the resulting JavaScript code in the output window instead of the output of the program using the js parameter

    • Options are: true, false
    • Example: js=true will print JavaScript code instead of the program's output

  • Session: Load code from a session which is stored with localStorage using the session parameter

    • Usually managed by Try PureScript
    • Example: session=9162f098-070f-4053-60ea-eba47021450d (Note: will probably not work for you)
    • When used with the gist query parameter the code will be loaded from the Gist and not the session

Packages

  • The packages set and compiler version for Try-PureScript can be viewed here.

  • The packages set and compiler version for Try-Thermite can be viewed here.