wix-style-react/dist/es/src/Avatar/string-to-color.js

wix-style-react

import { avatarColorList } from './constants';
/* stringToColor returns a different color for each string.
 ** Each string will ALWAYS receives the same color, so the color will always be consistent per string
 **/

var stringToColor = function stringToColor(name) {
  if (!name) {
    return;
  }

  var hash = stringToNumber(name);
  var index = hash % avatarColorList.length; // this sets an index between 0 and array.length.

  return avatarColorList[index];
};
/* stringToNumber creates a number for each string.
 ** for example the string: "Hi" number will be 177.
 ** charCode of "H" = 72, charCode of "i" = 105. 72 + 105 = 177
 ** This creates a unique number for each string
 **/


var stringToNumber = function stringToNumber(str) {
  return str.split('').reduce(function (acc, _char) {
    return acc + _char.charCodeAt();
  }, 0);
};

export default stringToColor;