ImageData resize on Canvas

image-data-resize.js

export async function resizeImageData (imageData, width, height) {
  const resizeWidth = width >> 0
  const resizeHeight = height >> 0
  const ibm = await window.createImageBitmap(imageData, 0, 0, imageData.width, imageData.height, {
    resizeWidth, resizeHeight
  })
  const canvas = document.createElement('canvas')
  canvas.width = resizeWidth
  canvas.height = resizeHeight
  const ctx = canvas.getContext('2d')
  ctx.scale(resizeWidth / imageData.width, resizeHeight / imageData.height)
  ctx.drawImage(ibm, 0, 0)
  return ctx.getImageData(0, 0, resizeWidth, resizeHeight)
}