Function getCodeFromStylus

test/helpers/getCodeFromStylus.js:155–259

* @param {string} testId test fixture identifier * @param {EXPECTED_ANY=} options options * @param {EXPECTED_ANY=} context test context * @returns {Promise<{ css: string, map: EXPECTED_ANY }>} stylus result

(testId, options = {}, context = {})

 * @returns {Promise<{ css: string, map: EXPECTED_ANY }>} stylus result
 */
async function getCodeFromStylus(testId, options = {}, context = {}) {
  const defaultOptions = {
    shouldUseWebpackImporter: true,
  };
  const stylusOptions = options.stylusOptions || {};

  let pathToFile;

  if (context.packageExportsCustomConditionTestVariant === 1) {
    pathToFile = path.resolve(
      __dirname,
      "..",
      "fixtures",
      "node_modules/package-with-exports-and-custom-condition/style-1.styl",
    );
  } else if (context.packageExportsCustomConditionTestVariant === 2) {
    pathToFile = path.resolve(
      __dirname,
      "..",
      "fixtures",
      "node_modules/package-with-exports-and-custom-condition/style-2.styl",
    );
  } else {
    pathToFile = path.resolve(__dirname, "..", "fixtures", testId);
  }

  let data;

  try {
    data = await fs.promises.readFile(pathToFile);
    // May be directory
  } catch (err) {
    pathToFile = path.resolve(pathToFile, "index.styl");

    data = await fs.promises.readFile(pathToFile);

    if (typeof data === "undefined") {
      throw err;
    }
  }

  if (typeof options.additionalData !== "undefined") {
    data =
      typeof options.additionalData === "function"
        ? `${options.additionalData(data, {
            rootContext: path.resolve(__dirname, "../fixtures"),
            resourcePath: pathToFile,
          })}`
        : `${options.additionalData}\n${data}`;
  }

  const mergedOptions = {
    ...defaultOptions,
    ...stylusOptions,
  };

  mergedOptions.filename = pathToFile;
  mergedOptions.dest = path.dirname(pathToFile);