nope-js-node/dist-nodejs/helpers/hash.js

NoPE Runtime for Nodejs. For Browser-Support please use nope-browser

"use strict";
/**
 * @module hash
 * @author M.Karkowski
 * @email M.Karkowski@zema.de
 *
 * Helper module to generate `hashs` of different type of objects.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateHash = void 0;
const jsonMethods_1 = require("./jsonMethods");
/**
 * Function to generate a Hash
 * @param obj the Object, that should be hashed
 */
function generateHash(obj) {
    // Convert the object to String
    const str = typeof obj === "string" ? obj : (0, jsonMethods_1.stringifyWithFunctions)(obj);
    // Define Vars.
    let hash = 0, i, chr;
    if (str.length === 0)
        return hash.toString();
    for (i = 0; i < str.length; i++) {
        chr = str.charCodeAt(i);
        hash = (hash << 5) - hash + chr;
        hash |= 0; // Convert to 32bit integer
    }
    return hash.toString();
}
exports.generateHash = generateHash;