snowpack-plugin-stylus/dist/index.js

Use the Stylus compiler to build .styl files from source

"use strict";
const tslib_1 = require("tslib");
const fs = tslib_1.__importStar(require("fs"));
const render_1 = require("./render");
const get_dependencies_1 = require("./get-dependencies");
const pkg = require('../package.json');
const plugin = (snowpackConfig, options = {}) => {
    const importedByMap = new Map();
    function addDependencies(filePath, dependencies) {
        dependencies.forEach((file) => {
            const currentImports = importedByMap.get(filePath) || [];
            importedByMap.set(file, currentImports.concat(filePath));
        });
    }
    return {
        name: pkg.name,
        resolve: {
            input: ['.styl'],
            output: ['.css'],
        },
        onChange({ filePath }) {
            const filesToMark = importedByMap.get(filePath) || [];
            filesToMark.forEach((file) => this.markChanged && this.markChanged(file));
        },
        load({ filePath }) {
            return tslib_1.__awaiter(this, void 0, void 0, function* () {
                try {
                    const content = yield fs.promises.readFile(filePath, 'utf-8');
                    const dependencies = get_dependencies_1.getDependencies({ content, filePath, options });
                    addDependencies(filePath, dependencies);
                    const result = yield render_1.render(content, Object.assign(Object.assign({}, options), { filename: filePath }));
                    return {
                        '.css': {
                            code: result,
                        },
                    };
                }
                catch (err) {
                    console.error(err);
                }
            });
        },
    };
};
module.exports = plugin;