color-to-vec4/es/lib/hexToVec4.js

:white_square_button: a color (rgb, rgba, hex) to vec4 convertor

import mapChannel from './mapChannel';

import hexToRgb from './hexToRgb';

export default (function (color) {

  var isValid = /^#[0-9A-F]{6}$/i.test(color);

  if (!isValid) {
    throw new Error(color + ' is not a valid hex color');
  }

  var colorObj = hexToRgb(color);
  var r = colorObj.r,
      g = colorObj.g,
      b = colorObj.b;

  var colors = [r, g, b];

  return [].concat(colors.map(function (c) {
    return mapChannel(c);
  }), [1]);
});