Method getEntriesFor

ng-dev/release/notes/changelog.ts:173–189

* Retrieve the changelog entries for the provide changelog path, if the file does not exist an * empty array is returned.

(path: string)

   * empty array is returned.
   */
  private getEntriesFor(path: string): ChangelogEntry[] {
    if (!existsSync(path)) {
      return [];
    }

    return (
      readFileSync(path, {encoding: 'utf8'})
        // Use the versionMarker as the separator for .split().
        .split(splitMarker)
        // If the `split()` method finds the separator at the beginning or end of a string, it
        // includes an empty string at the respective locaiton, so we filter to remove all of these
        // potential empty strings.
        .filter((entry) => entry.trim().length !== 0)
        // Create a ChangelogEntry for each of the string entry.
        .map(parseChangelogEntry)
    );
  }
}

/** Parse the provided string into a ChangelogEntry object. */