Add logger functionality - created method for spawnProcess - type annotation not working yet.

dependencies.service.js

// @flow
import packageMan from './package-manager.service';
import { PACKAGE_MANAGER_CMD } from './platform.services';
import { logger } from './logger.service';
const childProcess = window.require('child_process');

type executor = Promise.executor;

const spawnProcess = (
  cmd: string,
  cmdArgs: Array<string>,
  projectPath: string,
  { resolve, reject }: executor
) => {
  const child = childProcess.spawn(cmd, [...cmdArgs], {
    cwd: projectPath,
  });

  child.on('exit', code => {
    if (code) {
      reject(child.stderr);
    } else {
      resolve(child.stdout);
    }
  });

  return child;
};

export const installDependency = (
  projectPath: string,
  dependencyName: string,
  version: string
) => {
  return new Promise(executor => {
    const child = spawnProcess(
      PACKAGE_MANAGER_CMD,
      [
        packageMan.addDependencyCommand(),
        `${dependencyName}@${version}`,
        '-SE',
      ],
      projectPath,
      executor
    );
    logger(child);
  });
};

export const uninstallDependency = (
  projectPath: string,
  dependencyName: string
) => {
  return new Promise(executor => {
    const child = spawnProcess(
      PACKAGE_MANAGER_CMD,
      [packageMan.removeDependencyCommand(), dependencyName],
      projectPath,
      executor
    );

    logger(child);
  });
};

export const reinstallDependencies = (projectPath: string) => {
  return new Promise(executor => {
    const child = spawnProcess(
      PACKAGE_MANAGER_CMD,
      [packageMan.addDependencyCommand()],
      projectPath,
      executor
    );
    logger(child);
  });
};