wxlitian/miniprogram/components/row/calc.ts

export function ComputeRowStyle(gutter: Number | Number[]) {
  const unit = 'rpx'

  let x = 0
  let y = 0

  if (Array.isArray(gutter)) {
    if (!Number.isNaN(Number(gutter[0]))) x = Number(gutter[0])
    if (!Number.isNaN(Number(gutter[1]))) y = Number(gutter[1])
  } else {
    if (!Number.isNaN(Number(gutter))) x = Number(gutter)
  }

  const vx = -x / 2 + unit
  const vy = -y / 2 + unit

  return `margin: ${vy} ${vx};`
}

export function ComputeColStyle(gutter: Number | Number[]) {
  const unit = 'rpx'

  let x = 0
  let y = 0

  if (Array.isArray(gutter)) {
    if (!Number.isNaN(Number(gutter[0]))) x = Number(gutter[0])
    if (!Number.isNaN(Number(gutter[1]))) y = Number(gutter[1])
  } else {
    if (!Number.isNaN(Number(gutter))) x = Number(gutter)
  }

  const vx = x / 2 + unit
  const vy = y / 2 + unit

  return `padding: ${vy} ${vx};`
}