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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import type { Comparator, SemVer } from "./types.ts";import { ANY, MAX, MIN } from "./constants.ts";import { greaterThan } from "./greater_than.ts";import { increment } from "./increment.ts";
/** * The minimum semantic version that could match this comparator * @param comparator The semantic version of the comparator * @param operator The operator of the comparator * @returns The minimum valid semantic version */export function comparatorMin(comparator: Comparator): SemVer {  const semver = comparator.semver ?? comparator;  if (semver === ANY) return MIN;  switch (comparator.operator) {    case ">":      return semver.prerelease && semver.prerelease.length > 0        ? increment(semver, "pre")        : increment(semver, "patch");    case "!=":    case "!==":    case "<=":    case "<":      // The min(<0.0.0) is MAX      return greaterThan(semver, MIN) ? MIN : MAX;    case ">=":    case undefined:    case "":    case "=":    case "==":    case "===":      return {        major: semver.major,        minor: semver.minor,        patch: semver.patch,        prerelease: semver.prerelease,        build: semver.build,      };  }}