import parsePath from "../fs/parse-path";
import { toCanonicalPath } from "../fs/path-utils";
import {
  AbsolutePath,
  CacheDelegate,
  CanonicalPath,
  PathInfo,
} from "../interfaces";

export default class PathInfoCacheDelegate
  implements CacheDelegate<string, CanonicalPath, PathInfo> {
  constructor(
    private rootPath: AbsolutePath,
    private inputPath: AbsolutePath
  ) {}

  public cacheKey(key: string): CanonicalPath {
    return toCanonicalPath(key, this.rootPath);
  }

  public create(key: string) {
    return parsePath(this.rootPath, this.inputPath, key);
  }
}