@fromjs/backend/dist/backend.createProxy.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/* Start proxy in a child process and enable communication */
function createProxy(params) {
    return new Promise(resolve => {
        const fork = require("child_process").fork;
        // If debugging parent process allow debuggign child process as well
        if (process.execArgv.join(",").includes("--inspect")) {
            process.execArgv.push("--inspect=" + 19223);
        }
        const child = fork(__dirname + "/backend.proxy.js", [
            JSON.stringify({
                accessToken: params.accessToken,
                bePort: params.options.bePort,
                proxyPort: params.options.proxyPort,
                certDirectory: params.options.getCertDirectory(),
                dontTrack: params.options.dontTrack,
                block: params.options.block,
                disableDefaultBlockList: params.options.disableDefaultBlockList
            })
        ]);
        const messageResponsePromisesResolveFn = {};
        const proxyInterface = {};
        [
            "registerEvalScript",
            "instrumentForEval",
            "setEnableInstrumentation",
            "_getEnableInstrumentation"
        ].forEach(method => {
            proxyInterface[method] = function () {
                const messageId = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER).toString();
                const promise = new Promise(resolve => {
                    messageResponsePromisesResolveFn[messageId] = resolve;
                    child.send({
                        method,
                        arguments,
                        messageId
                    });
                });
                return promise;
            };
        });
        child.on("message", function (message) {
            if (message.type === "isReady") {
                resolve(proxyInterface);
            }
            if (message.type === "storeLocs") {
                params.storeLocs(message.locs);
            }
            if (message.type === "messageResponse") {
                messageResponsePromisesResolveFn[message.messageId](message.ret);
            }
        });
    });
}
exports.createProxy = createProxy;