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A flexible API for generating a complete CSS stylesheet in Elm
version 7.1.1
license BSD2
native-modules False
elm-version 0.18.0 <= v < 0.19.0
Tag 7.1.1
Committed At 2017-06-03 23:57:00 UTC
elm-lang/html 2.0.0 <= v < 3.0.0 2.0.0
elm-lang/core 5.1.1 <= v < 6.0.0 5.1.1
danielnarey/elm-css-basics 3.0.1 <= v < 4.0.0 3.1.0


A flexible API for generating a complete CSS stylesheet in Elm

This library builds off of my CssBasics package to allow the user to generate a complete CSS stylesheet in Elm. I created it to provide a more flexible alternative to other CSS-in-Elm packages that would let me write CSS in a way that conforms to my stylistic preferences for Elm code. The tradeoff for this flexibility is that it was not designed to safeguard the user from generating invalid CSS.

Getting Started

The best way to get started with this library is to familiarize yourself with the syntax for style declarations used by CssBasics, then check out this simple, self-contained example.

Supported Features

In addition to constructing basic rule sets with element, id, class, and attribute selectors, the current version of elm-stylesheet provides support for:

  • combinator selectors (including pseudo-classes and pseudo-elements)
  • media queries
  • import statements (with helpers for Google Font imports)
  • prepending strings of CSS code to your stylesheet
  • embedding a stylesheet in your Elm program's view
  • exporting a stylesheet to a .css file using rtfeldman's elm-css Node module

How to Export to a .css File using elm-css

Exporting to a .css file using elm-css requires a specially formatted port module. Copy this template to the directory that contains your stylesheet module. Replace BasicUse with the name of your module and BasicUse.myStylesheet with the name of the function that returns the stylesheet you want to export. You can specify the name of the file to be created by changing "myCssFile.css" to whatever you want.

To install elm-css, run the following in your terminal:

$ npm install -g elm-css

Then run installed module, giving it the path to your Stylesheets.elm file, for example:

$ elm-css src/Stylesheets.elm

If the compiler returns an error, check your file paths and exposed modules.



The approach to generating CSS used in this library is based on the elm-css package by Jeffrey Massung, version 1.1, licensed under BSD-3. I retained Massung's basic approach to "compiling" a stylesheet that will be applied when rendering a view, but I changed a lot of the implementation details, renamed some things, and added a number of features.

The elm-css Node module, which may be used with this package to generate an external .css file, was created by Richard Feldman and is licensed under BSD-3.