import { valid } from 'semver';

export function checkAndCleanWithSemver(
  pkgName: string,
  version: string
): string {
  let newVersion = version;

  if (valid(newVersion)) {
    return newVersion;
  }

  if (version.startsWith('~') || version.startsWith('^')) {
    newVersion = version.substring(1);
  }

  if (!valid(newVersion)) {
    throw new Error(
      `The package.json lists a version of ${pkgName} that Nx is unable to validate - (${version})`
    );
  }

  return newVersion;
}