Please can anyone convert the following indicator:

//@version=6
indicator(shorttitle=”BBx3″, title=”Bollinger Bands x3 with Fill + HMA + Dynamic Width Colors”, overlay=true, timeframe=””, timeframe_gaps=true)

// === Inputs ===
length = input.int(20, minval=1, title=”Length”)
maType = input.string(“SMA”, “Basis MA Type”, options=[“SMA”, “EMA”, “SMMA (RMA)”, “WMA”, “VWMA”, “HMA”])
src = input(close, title=”Source”)

mult1 = input.float(1.0, minval=0.001, maxval=50, title=”StdDev Multiplier Band 1″)
mult2 = input.float(2.0, minval=0.001, maxval=50, title=”StdDev Multiplier Band 2″)
mult3 = input.float(3.0, minval=0.001, maxval=50, title=”StdDev Multiplier Band 3″)

fillColor1 = input.color(color.new(color.blue, 85), “Fill Color Between Band 1 & 2 (Expanding)”)
fillColor2 = input.color(color.new(color.purple, 85), “Fill Color Between Band 2 & 3 (Expanding)”)
fillColorNarrow = input.color(color.new(color.gray, 85), “Fill Color (Narrowing)”)

showBand1 = input.bool(true, “Show Band 1 (±1σ)”)
showBand2 = input.bool(true, “Show Band 2 (±2σ)”)
showBand3 = input.bool(true, “Show Band 3 (±3σ)”)
showFill12 = input.bool(true, “Fill Between Band 1 & 2”)
showFill23 = input.bool(true, “Fill Between Band 2 & 3”)

offset = input.int(0, “Offset”, minval = -500, maxval = 500, display = display.data_window)

// === MA Functions ===
hma(src, len) =>
wma1 = ta.wma(src, len)
wma2 = ta.wma(src, len / 2)
ta.wma(2 * wma2 – wma1, math.round(math.sqrt(len)))

ma(source, length, _type) =>
switch _type
“SMA” => ta.sma(source, length)
“EMA” => ta.ema(source, length)
“SMMA (RMA)” => ta.rma(source, length)
“WMA” => ta.wma(source, length)
“VWMA” => ta.vwma(source, length)
“HMA” => hma(source, length)

// === Calculations ===
basis = ma(src, length, maType)
dev = ta.stdev(src, length)

upper1 = basis + mult1 * dev
lower1 = basis – mult1 * dev

upper2 = basis + mult2 * dev
lower2 = basis – mult2 * dev

upper3 = basis + mult3 * dev
lower3 = basis – mult3 * dev

// === Band Widths ===
width1 = upper1 – lower1
width2 = upper2 – lower2
width3 = upper3 – lower3

// === Narrowing Flags ===
narrowing1 = width1 < width1[1]
narrowing2 = width2 < width2[1]
narrowing3 = width3 < width3[1]

// === Dynamic Line Colors ===
colorU1 = narrowing1 ? color.gray : color.lime
colorL1 = narrowing1 ? color.gray : color.lime

colorU2 = narrowing2 ? color.gray : color.orange
colorL2 = narrowing2 ? color.gray : color.orange

colorU3 = narrowing3 ? color.gray : color.red
colorL3 = narrowing3 ? color.gray : color.red

// === Dynamic Fill Colors ===
fillColorBand12 = narrowing2 ? fillColorNarrow : fillColor1
fillColorBand23 = narrowing3 ? fillColorNarrow : fillColor2

// === Plot Lines ===
plot(basis, “Basis”, color=#000000, offset=offset)

pU1 = plot(showBand1 ? upper1 : na, “Upper 1σ”, color=showBand1 ? colorU1 : na, offset=offset)
pL1 = plot(showBand1 ? lower1 : na, “Lower 1σ”, color=showBand1 ? colorL1 : na, offset=offset)

pU2 = plot(showBand2 ? upper2 : na, “Upper 2σ”, color=showBand2 ? colorU2 : na, offset=offset)
pL2 = plot(showBand2 ? lower2 : na, “Lower 2σ”, color=showBand2 ? colorL2 : na, offset=offset)

pU3 = plot(showBand3 ? upper3 : na, “Upper 3σ”, color=showBand3 ? colorU3 : na, offset=offset)
pL3 = plot(showBand3 ? lower3 : na, “Lower 3σ”, color=showBand3 ? colorL3 : na, offset=offset)

// === Fill Zones with Dynamic Color ===
fill(pU1, pU2, color=showFill12 ? fillColorBand12 : na, title=”Fill Upper 1↔2σ”)
fill(pL1, pL2, color=showFill12 ? fillColorBand12 : na, title=”Fill Lower 1↔2σ”)
fill(pU2, pU3, color=showFill23 ? fillColorBand23 : na, title=”Fill Upper 2↔3σ”)
fill(pL2, pL3, color=showFill23 ? fillColorBand23 : na, title=”Fill Lower 2↔3σ”)