eslint-plugin-svelte
Version:
ESLint plugin for Svelte using AST
46 lines (45 loc) • 1.05 kB
JavaScript
import { loadModule } from '../../../utils/load-module.js';
/**
* Transpile with stylus
*/
export function transform(node, text, context) {
const stylus = loadStylus(context);
if (!stylus) {
return null;
}
let inputRange;
if (node.endTag) {
inputRange = [node.startTag.range[1], node.endTag.range[0]];
}
else {
inputRange = [node.startTag.range[1], node.range[1]];
}
const code = text.slice(...inputRange);
const filename = `${context.filename}.stylus`;
try {
let output;
const style = stylus(code, {
filename
}).set('sourcemap', {});
style.render((_error, code) => {
output = code;
});
if (output == null) {
return null;
}
return {
inputRange,
output,
mappings: style.sourcemap.mappings
};
}
catch {
return null;
}
}
/**
* Load stylus
*/
function loadStylus(context) {
return loadModule(context, 'stylus');
}