.map(x => {
            const line = x.trim();
            const [path, ...owners] = line.split(/\s+/);
            return {path, owners};
        });
}

function resolveCodeowners(mapping, file) {
    let match = mapping
        .slice()
        .reverse()
        .find(x =>
            ignore()
                .add(x.path)
                .ignores(file)
        );
    if (!match) {

/**
 * @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)) {