ahex-to-rgba/index.js

AHEX颜色格式转成RGBA格式

module.exports.hexToRgba = h => {
	return `rgba(${hexToR(h)},${hexToG(h)},${hexToB(h)},${parseFloat(Number(hexToA(h) / 255).toFixed(2))})`
}

function cutHex(hex) {
  let temp = 'ffffff'
  if (hex && hex.charAt(0) === '#') {
    temp = hex.substring(1, 9)
  }
  if (temp.length === 6) {
    temp = `ff${temp}`
  }
  return temp
}

function hexToA(hex) {
  return parseInt(cutHex(hex).substring(0, 2), 16)
}

function hexToR(hex) {
  return parseInt(cutHex(hex).substring(2, 4), 16)
}

function hexToG(hex) {
  return parseInt(cutHex(hex).substring(4, 6), 16)
}

function hexToB(hex) {
  return parseInt(cutHex(hex).substring(6, 8), 16)
}