Function resolveProjectDependency

packages/polygen-project/src/deps.ts:51–72

(
  project: Project,
  packageName: string
)

 * @throws {DependencyNotFoundError} When specified dependency is not found in node_modules
 */
export async function resolveProjectDependency(
  project: Project,
  packageName: string
) {
  const { dependencies = {}, devDependencies = {} } =
    await getPackageJson(project);

  if (dependencies[packageName] == null && devDependencies[packageName]) {
    throw new PackageNotADependencyError(packageName);
  }

  const resolved = await findUp(`node_modules/${packageName}`, {
    type: 'directory',
    cwd: project.projectRoot,
    allowSymlinks: true,
  });
  if (!resolved) {
    throw new DependencyNotFoundError(packageName);
  }

  return resolved;
}