unplugin-lit-sass

Description

unplugin to allow .scss files to be imported as css variables in lit.

Getting Started

1. Install

pnpm add unplugin-lit-sass

2. Configure

vite

vite.config.ts

import { defineConfig } from "vite";
import { unpluginLitSass } from "unplugin-lit-sass";

export default defineConfig({
  plugins: [unpluginLitSass.vite()],
});

src/vite-env.d.ts

/// <reference types="unplugin-lit-sass/@types" />

Usage

1. Create SCSS file

Create .scss. e.g.) lit-component-name.scss.

2. Import SCSS file from Lit component file

Warning

The path name must end with ?litSass. Giving this query will run the plugin

import styles from "./lit-component-name.scss?litSass";
// or
import { styles } from "./lit-component-name.scss?litSass";

3. Apply scss

import styles from "./my-element.scss?litSass";

@customElement("my-element")
export class MyElement extends LitElement {
  static readonly styles: CSSResultArray = [styles];
  // ...

  render() {
    // ...
  }
}

Options

fileType

Description

File type to be processed.

Default

[".scss", ".sass"]

Type

Array<`.${string}` | `?${string}`>

All options

export type Options = {
  /**
   * File type to be processed.
   *
   * @default [".scss", ".sass"]
   */
  fileType?: Array<`.${string}` | `?${string}`>;
};