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
 **/
const stringToColor = name => {
    if (!name) {
        return;
    }
    const hash = stringToNumber(name);
    const 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
 **/
const stringToNumber = str => str.split('').reduce((acc, char) => acc + char.charCodeAt(), 0);
export default stringToColor;
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