@lomray/microservice-gateway/middlewares/cors.js

Gateway microservice based on NodeJS & inverted json.

'use strict';

var tslib = require('tslib');
var defaultCors = require('cors');
var remote = require('../config/remote.js');

/**
 * Create cors middleware
 */
const cors = (options = {}) => tslib.__awaiter(void 0, void 0, void 0, function* () {
    const { corsOptions } = yield remote();
    // Check origin's and find regex
    if (Array.isArray(corsOptions.origin)) {
        corsOptions.origin = corsOptions.origin.map((origin) => 
        // if string is regex, convert to regex instance
        origin.startsWith('/') ? new RegExp(origin.replace(/^\/|\/$/g, '')) : origin);
    }
    return defaultCors(Object.assign(Object.assign({}, corsOptions), options));
});

module.exports = cors;