Sony IR Remote Control With MakeCode

let IR2 = 0
let index = 0
let A: number[] = []
let Flag = 0
let value = 0
pins.onPulsed(DigitalPin.P0, PulseValue.Low, () => {
    if (pins.pulseDuration() > 2000) {
        Flag = 1
    }
    if (A.length <= 14 && Flag == 1) {
        A.push(pins.pulseDuration())
    }
    if (A.length == 14) {
        serial.writeValue("Length", A.length)
        index = 0
        IR2 = 0
        for (let value2 of A) {
            if (value2 > 1000) {
                IR2 = IR2 + 2 ** index
            } else {
                IR2 = IR2 + 0
            }
            index += 1
        }
        serial.writeValue("IR", IR2)
        A = []
        Flag = 0
    }
})
value = 0
pins.setPull(DigitalPin.P0, PinPullMode.PullUp)
A = []
serial.redirectToUSB()