toHash = (str) => {
    let i = 0,
        out = 11;
    while (i < str.length) out = (101 * out + str.charCodeAt(i++)) >>> 0;
    return 'go' + out;
}
Transforms the input into a className.
The multiplication constant 101 is selected to be a prime,
as is the initial value of 11.
The intermediate and final results are truncated into 32-bit
unsigned integers.
@param {String} str
@returns {String}