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README.md
CSS Modules: Scope Locals & Extend
Transforms:
:local(.continueButton) {
color: green;
}
into:
:export {
continueButton: __buttons_continueButton_djd347adcxz9;
}
.__buttons_continueButton_djd347adcxz9 {
color: green;
}
so it doesn't pollute CSS global scope and can be simply used in JS like so:
import styles from './buttons.css'
elem.innerHTML = `<button class="${styles.continueButton}">Continue</button>`
Composition
Since we're exporting class names, there's no reason to export only one. This can give us some really useful reuse of styles:
.globalButtonStyle {
background: white;
border: 1px solid;
border-radius: 0.25rem;
}
.globalButtonStyle:hover {
box-shadow: 0 0 4px -2px;
}
:local(.continueButton) {
compose-with: globalButtonStyle;
color: green;
}
becomes:
.globalButtonStyle {
background: white;
border: 1px solid;
border-radius: 0.25rem;
}
.globalButtonStyle:hover {
box-shadow: 0 0 4px -2px;
}
:local(.continueButton) {
compose-with: globalButtonStyle;
color: green;
}
Note: you can also use composes
as a shorthand for compose-with
Local-by-default & reuse across files
You're looking for CSS Modules. It uses this plugin as well as a few others, and it's amazing.
Building
npm install
npm test
Development
npm autotest
will watchsrc
andtest
for changes and run the tests, and transpile the ES6 to ES5 on success
License
ISC
With thanks
- Mark Dalgleish
- Tobias Koppers
- Guy Bedford
Glen Maddern, 2015.