Method _findPackage

lib/models/package-info-cache/index.js:368–393

(packageName, startPath)

   * @param {String} the path of the directory to start searching from
   */
  _findPackage(packageName, startPath) {
    let parsedPath = path.parse(startPath);
    let root = parsedPath.root;

    let currPath = startPath;

    while (currPath !== root) {
      let endsWithNodeModules = path.basename(currPath) === 'node_modules';

      let nodeModulesPath = endsWithNodeModules ? currPath : `${currPath}${path.sep}node_modules`;

      let nodeModulesList = this._readNodeModulesList(nodeModulesPath);

      // _readNodeModulesList only returns a NodeModulesList or null
      if (nodeModulesList) {
        let pkg = nodeModulesList.findPackage(packageName);
        if (pkg) {
          return pkg;
        }
      }

      currPath = path.dirname(currPath);
    }

    return null;
  }

  /**
   * Given a directory that supposedly contains a package, create a PackageInfo