string to color

index.js

export function generate_hash_color(text, weight={red: 0, green:1, blue: 2}){
  let color1 = 0;
  let color2 = 0;
  let color3 = 0;

  if(text.length==0){
    "rgb(0, 0, 0)";
  }
  else if(text.length==1){
    color1 = text.charCodeAt(0) * 2 % 256
    color2 = text.charCodeAt(0) * 3 % 256
    color3 = text.charCodeAt(0) * 5 % 256

  }
  else if(text.length==2){
    color1 = text.charCodeAt(0) * 2 % 256
    color2 = text.charCodeAt(1) * 3 % 256
    color3 = text.charCodeAt(0) * 5 % 256
  }
  else {
    color1 = text.charCodeAt(text.length/3) * 2 % 256
    color2 = text.charCodeAt(text.length/2) * 3 % 256
    color3 = text.charCodeAt(text.length-1) * 5 % 256
  }

  const colors = [color1, color2, color3];
  colors.sort();

  return `rgb(${colors[weight.red]}, ${colors[weight.green]}}, ${colors[weight.blue]}})`;
}

export function string_to_number(text, key=1){
  let hash1 = 0;
  let hash2 = 0;
  let hash3 = 0;

  if(text.length==0){
    "0";
  }
  else if(text.length==1){
    hash1 = text.charCodeAt(0) * 28 % key
    hash2 = text.charCodeAt(0) * 496 % key
    hash3 = text.charCodeAt(0) * 8128 % key

  }
  else if(text.length==2){
    hash1 = text.charCodeAt(0) * 28 % key
    hash2 = text.charCodeAt(1) * 496 % key
    hash3 = text.charCodeAt(1) * 8128 % key
  }
  else {
    hash1 = text.charCodeAt(text.length/3) * 28 % 256
    hash2 = text.charCodeAt(text.length/2) * 496 % 256
    hash3 = text.charCodeAt(text.length-1) * 8128 % 256
  }

  return hash1+hash2+hash3
}

export function get_color_set(order, setName="default"){
  const colorsets = {
    default: [
      "#3d5a80",
      "#98c1d9",
      "#e0fbfc",
      "#292341",
      "#2b2d42",
      "#8d99ae",
      "#8ecae6",
      "#023047",
      "#355070",
      "#118ab2",
      "#073b4c",
      "#003049",
      "#14213d",
      "#00171f",
      "#007ea7",
      "#00a8e8",
      "#00296b",
      "#003f88",
      "#00509d",
      "#03045e",
      "#0077b7",
      "#177e89",
      "#084cc61",
      "#90e0ef",
      "#caf0f8",
    ],
    blue :[
    ]
  }

  return colorsets[setName][order%colorsets[setName].length];
}