Function getImplementationByName

test/helpers/getImplementationByName.js:56–76

* @param {"dart-sass" | "sass" | "sass-embedded" | "sass_string" | "sass_file_url"} implementationName implementation name * @returns {Promise } a sass implementation

(implementationName)

 * @returns {Promise<SassImplementation>} a sass implementation
 */
async function getImplementationByName(implementationName) {
  if (implementationName === "dart-sass") {
    return import("sass");
  } else if (implementationName === "sass-embedded") {
    // Match the loader's `await import("sass-embedded")` so tests and loader
    // hold the same module instance (CJS and ESM builds are cached
    // separately).
    return import("sass-embedded");
  } else if (implementationName === "sass_string") {
    // Absolute filesystem path; on Windows this is a backslash-separated
    // path like `C:\\...` which dynamic `import()` does not accept until
    // it's normalized to a `file:` URL. The ESM entry is used so the
    // loader's `await import(path)` exposes named exports (`info`,
    // `compileStringAsync`, …) directly instead of via `.default`.
    return resolveEsmPath("sass");
  } else if (implementationName === "sass_file_url") {
    return pathToFileURL(resolveEsmPath("sass")).href;
  }

  throw new Error(`Can't find ${implementationName}`);
}

export default getImplementationByName;