public getPackage()

in src/extension/simulate.ts [133:191]
53 lines of code
9 McCabe index (conditional complexity)

    public getPackage(): Promise<typeof CordovaSimulate> {
        if (this.simulatePackage) {
            return Promise.resolve(this.simulatePackage);
        }
        // Don't do the require if we don't actually need it
        try {
            const simulate = customRequire(this.CORDOVA_SIMULATE_PACKAGE) as typeof CordovaSimulate;
            this.simulatePackage = simulate;
            return Promise.resolve(this.simulatePackage);
        } catch (e) {
            if (e.code === "MODULE_NOT_FOUND") {
                OutputChannelLogger.getMainChannel().log(localize("CordovaSimulateDepNotPresent", "cordova-simulate dependency not present. Installing it..."));
            } else {
                throw e;
            }
        }

        return new Promise((resolve, reject) => {
            if (!this.packageInstallProc) {
                this.packageInstallProc = cp.spawn(process.platform === "win32" ? "npm.cmd" : "npm",
                    ["install", this.CORDOVA_SIMULATE_PACKAGE, "--verbose", "--no-save"],
                    { cwd: path.dirname(findFileInFolderHierarchy(__dirname, "package.json")) });

                this.packageInstallProc.once("exit", (code: number) => {
                    if (code === 0) {
                        this.simulatePackage = customRequire(this.CORDOVA_SIMULATE_PACKAGE);
                        resolve(this.simulatePackage);
                    } else {
                        OutputChannelLogger.getMainChannel().log(localize("ErrorWhileInstallingCordovaSimulateDep", "Error while installing cordova-simulate dependency to the extension"));
                        reject(localize("ErrorWhileInstallingCordovaSimulateDep", "Error while installing cordova-simulate dependency to the extension"));
                    }
                });

                let lastDotTime = 0;
                const printDot = () => {
                    const now = Date.now();
                    if (now - lastDotTime > 1500) {
                        lastDotTime = now;
                        OutputChannelLogger.getMainChannel().append(".");
                    }
                };

                this.packageInstallProc.stdout.on("data", () => {
                    printDot();
                });

                this.packageInstallProc.stderr.on("data", (data: Buffer) => {
                    printDot();
                });
            } else {
                const packageCheck = setInterval(() => {
                    if (this.simulatePackage) {
                        clearInterval(packageCheck);
                        resolve(this.simulatePackage);
                    }
                }, 1000);
            }
        });
    }