Function findProjectByPath

packages/angular/cli/src/utilities/config.ts:263–303

(workspace: AngularWorkspace, location: string)

}

function findProjectByPath(workspace: AngularWorkspace, location: string): string | null {
  const isInside = (base: string, potential: string): boolean => {
    const absoluteBase = path.resolve(workspace.basePath, base);
    const absolutePotential = path.resolve(workspace.basePath, potential);
    const relativePotential = path.relative(absoluteBase, absolutePotential);
    if (!relativePotential.startsWith('..') && !path.isAbsolute(relativePotential)) {
      return true;
    }

    return false;
  };

  const projects = Array.from(workspace.projects)
    .map(([name, project]) => [project.root, name] as [string, string])
    .filter((tuple) => isInside(tuple[0], location))
    // Sort tuples by depth, with the deeper ones first. Since the first member is a path and
    // we filtered all invalid paths, the longest will be the deepest (and in case of equality
    // the sort is stable and the first declared project will win).
    .sort((a, b) => b[0].length - a[0].length);

  if (projects.length === 0) {
    return null;
  } else if (projects.length > 1) {
    const found = new Set<string>();
    const sameRoots = projects.filter((v) => {
      if (!found.has(v[0])) {
        found.add(v[0]);

        return false;
      }

      return true;
    });
    if (sameRoots.length > 0) {
      // Ambiguous location - cannot determine a project
      return null;
    }
  }

  return projects[0][1];
}

export function getProjectByCwd(workspace: AngularWorkspace): string | null {
  if (workspace.projects.size === 1) {