shelving/util/hash.js

Toolkit for using data in JavaScript.

import { wrapNumber } from "./number.js";
/** Hash a string into an idempotent number. */
export function hashString(str) {
    let hash = 0;
    for (let i = 0; i < str.length; i++)
        hash += str.charCodeAt(i);
    return hash;
}
/** Hash a string into an idempotent number between two values. */
export function hashStringBetween(str, min = 0, max = 256) {
    return wrapNumber(hashString(str), min, max);
}