npm.js

(function (global) {
    "use strict"

    Context.RunFile('polyfill/timers.js')
    
    function npm(command) {
        let buffer = ''

        // Create a node.js process
        let proc = JavascriptProcess.Create(
            'c:\\Program Files\\nodejs\\npm.cmd',
            command,
            false, true, true, 0, `c:\\ue\\testcpp\\Content\\Scripts`, true
        )

        if (proc) {
            let kick = () => {
                // read from pipe!
                let str = proc.ReadFromPipe()
                buffer += str
                let lines = buffer.split('\n')
                if (lines.length > 1) {
                    buffer = lines.pop()
                    lines.forEach((x) => console.log(x))
                }

                // if process is still running
                if (proc.IsRunning()) {
                    process.nextTick(kick)
                }
            }

            kick()
        } else {
            console.error("failed to create process")
        }
    }

    global.install = function (p) {
       npm(`i ${p} -y`)
    }
})(this)