Method set

build-system/common/transform-cache.js:54–62

* @param {string} hash * @param {Promise } transformPromise

(hash, transformPromise)

   * @param {Promise<T>} transformPromise
   */
  set(hash, transformPromise) {
    if (this.transformMap.has(hash)) {
      throw new Error(`Read race: Attempting to transform ${hash} file twice.`);
    }
    this.transformMap.set(hash, transformPromise);

    const filepath = path.join(this.cacheDir, this.key_(hash));
    transformPromise.then((contents) => fs.outputJson(filepath, contents));
  }

  /**
   * @param {string} hash