JamieMason/syncpack

import { isString } from 'tightrope/guard/is-string.js';
import type { SemverRange } from '../config/types.js';
import { RANGE } from '../constants.js';
import { isSemver } from '../guards/is-semver.js';
import { isValidSemverRange } from '../guards/is-valid-semver-range.js';

/** @deprecated migrate to make better use of npm-package-arg */
export function setSemverRange(semverRange: SemverRange, version: string): string {
  if (!isSemver(version) || !isValidSemverRange(semverRange)) return version;
  if (semverRange === '*') return semverRange;
  const nextVersion = isLooseSemver(version) ? version.replace(/\.x/g, '.0') : version;
  const from1stNumber = nextVersion.search(/[0-9]/);
  const from1stDot = nextVersion.indexOf('.');
  return semverRange === RANGE.LOOSE
    ? `${nextVersion.slice(from1stNumber, from1stDot)}.x.x`
    : `${semverRange}${nextVersion.slice(from1stNumber)}`;
}

function isLooseSemver(version: unknown): boolean {
  return isString(version) && isSemver(version) && version.search(/\.x(\.|$)/) !== -1;
}