Method _readFromTransformCache

packager/src/node-haste/Module.js:357–370

* Read again from the TransformCache, on disk. `readCached` should be favored * so it's faster in case the results are already in memory.

(
    transformOptions: TransformOptions,
    transformOptionsKey: string,
  )

   * so it's faster in case the results are already in memory.
   */
  _readFromTransformCache(
    transformOptions: TransformOptions,
    transformOptionsKey: string,
  ): CachedReadResult {
    const cacheProps = this._getCacheProps(transformOptions, transformOptionsKey);
    const cachedResult = TransformCache.readSync(cacheProps);
    if (cachedResult.result == null) {
      return {result: null, outdatedDependencies: cachedResult.outdatedDependencies};
    }
    return {
      result: this._finalizeReadResult(cacheProps.sourceCode, cachedResult.result),
      outdatedDependencies: [],
    };
  }

  /**
   * Gathers relevant data about a module: source code, transformed code,