* @param {Object} pr - the gitStream's pr context variable
 * @param {string} token - access token with repo:read scope, used to read the CODEOWNERS file
 * @param {string} pathToCodeOwners - path from repo root to CODEOWNERS file
 * @returns {Map} - Map from owner name to list of files they own
 * @example {{ files | byCodeowner(pr, env.CODEOWNERS_TOKEN, '.github/CODEOWNERS') }}
 **/

const { Octokit } = require("@octokit/rest");

/**
 * @module byPlatform
 * @description Groups the PR's files by platform based on the file's path.
 * @param {string[]} files - the gitStream's files context variable
 * @returns {Map} - Map from platform to list of files in this PR in it
 * @example {{ owners | byPlatform }}
 */
function byPlatform(files) {
    const result = new Map();
    files.forEach(file => {
        const platform = getPlatform(file);
        if (!result.has(platform)) {

          close-issue-reason: not_planned

          # PULL REQUESTS -----------------------------------------------------
          days-before-pr-stale: 30
          exempt-pr-labels: "from:contributor"
          stale-pr-label: stale
          stale-pr-message: >
            This pull request has been automatically marked as stale because it has not had recent activity.

                            // The artifact rule report/css/*.css => performanceResultsDir is there to clean up the target directory.
                            // If we don't clean that up there might be leftover json files from other report builds running on the same machine.
                            """
                            results/performance/build/test-results-*.zip!performance-tests/report/css/*.css => $performanceResultsDir/

    <!-- These packages are duplicated in ide-native from ide, don't require a package-info.java in each place -->
    <suppress checks="JavadocPackage"
              files=".*[/\\]ide-native[/\\]src[/\\]main[/\\]java[/\\]org[/\\]gradle[/\\]plugins[/\\]ide[/\\]api[/\\][^/\\]+"/>

    <!-- These packages are duplicated in platform-native from language-native, don't require a package-info.java in each place -->

const RETURN_FALSE = () => false

// Sanitize the range of a regular expression
// The cases are complicated, see test cases for details
const sanitizeRange = range => range.replace(
    REGEX_REGEXP_RANGE,
    (match, from, to) => from.charCodeAt(0) <= to.charCodeAt(0)
        ? match
        // Invalid range (out of order) which is ok for gitignore rules but
        //   fatal for JavaScript regular expression, so eliminate it.
        : EMPTY
)