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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import type { Comparator, SemVer } from "./types.ts";import { isWildcardComparator } from "./_shared.ts";import { compare } from "./compare.ts";
function testComparator(version: SemVer, comparator: Comparator): boolean {  if (isWildcardComparator(comparator)) {    return true;  }  const cmp = compare(version, comparator);  switch (comparator.operator) {    case "=":    case undefined: {      return cmp === 0;    }    case "!=": {      return cmp !== 0;    }    case ">": {      return cmp > 0;    }    case "<": {      return cmp < 0;    }    case ">=": {      return cmp >= 0;    }    case "<=": {      return cmp <= 0;    }  }}
export function testComparatorSet(  version: SemVer,  set: Comparator[],): boolean {  for (const comparator of set) {    if (!testComparator(version, comparator)) {      return false;    }  }  if (version.prerelease && version.prerelease.length > 0) {    // Find the comparator that is allowed to have prereleases    // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0    // That should allow `1.2.3-pr.2` to pass.    // However, `1.2.4-alpha.notready` should NOT be allowed,    // even though it's within the range set by the comparators.    for (const comparator of set) {      if (isWildcardComparator(comparator)) {        continue;      }      const { major, minor, patch, prerelease } = comparator;      if (prerelease && prerelease.length > 0) {        if (          version.major === major && version.minor === minor &&          version.patch === patch        ) {          return true;        }      }    }    return false;  }  return true;}