function processAccessAndAllowNavigationEntries()

in lib/prepare.js [1204:1243]

• 34 lines of code
• 6 McCabe index (conditional complexity)

function processAccessAndAllowNavigationEntries (config) {
    const accesses = config.getAccesses();
    const allow_navigations = config.getAllowNavigations();

    return allow_navigations
    // we concat allow_navigations and accesses, after processing accesses
        .concat(accesses.map(obj => {
            // map accesses to a common key interface using 'href', not origin
            obj.href = obj.origin;
            delete obj.origin;
            return obj;
        }))
        // we reduce the array to an object with all the entries processed (key is Hostname)
        .reduce((previousReturn, currentElement) => {
            const options = {
                minimum_tls_version: currentElement.minimum_tls_version,
                requires_forward_secrecy: currentElement.requires_forward_secrecy,
                requires_certificate_transparency: currentElement.requires_certificate_transparency,
                allows_arbitrary_loads_for_media: currentElement.allows_arbitrary_loads_in_media || currentElement.allows_arbitrary_loads_for_media,
                allows_arbitrary_loads_in_web_content: currentElement.allows_arbitrary_loads_in_web_content,
                allows_local_networking: currentElement.allows_local_networking
            };
            const obj = parseAllowlistUrlForATS(currentElement.href, options);

            if (obj) {
                // we 'union' duplicate entries
                let item = previousReturn[obj.Hostname];
                if (!item) {
                    item = {};
                }
                for (const o in obj) {
                    if (Object.prototype.hasOwnProperty.call(obj, o)) {
                        item[o] = obj[o];
                    }
                }
                previousReturn[obj.Hostname] = item;
            }
            return previousReturn;
        }, {});
}