node_modules/istanbul-lib-source-maps/lib/transform-utils.js

/*
 Copyright 2015, Yahoo Inc.
 Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
 */
'use strict';

function getUniqueKey(pathname) {
    return pathname.replace(/[\\/]/g, '_');
}

function getOutput(cache) {
    return Object.values(cache).reduce(
        (output, { file, mappedCoverage }) => ({
            ...output,
            [file]: mappedCoverage
        }),
        {}
    );
}

module.exports = { getUniqueKey, getOutput };