@datadayrepos/js-id-web/dist/esm/crypto/index.js

Utils for generating identifiers in javascript browser environment. Using web crypto engine for random number generation.

import { computeSHA256String } from '../hash/index.js';
export function randInt3() {
    const randomArray = new Uint8Array(3);
    window.crypto.getRandomValues(randomArray);
    return (randomArray[0] << 16) + (randomArray[1] << 8) + randomArray[2];
}
export function randInt2() {
    const randomArray = new Uint8Array(2);
    window.crypto.getRandomValues(randomArray);
    return (randomArray[0] << 8) + randomArray[1];
}
export function randInt1() {
    const randomArray = new Uint8Array(1);
    window.crypto.getRandomValues(randomArray);
    return randomArray[0];
}
export function getEnvironmentMachineID() {
    const id = navigator.userAgent;
    return id || String(randInt3());
}
export async function getProcessID() {
    const dpr = window.devicePixelRatio;
    const tz = Intl.DateTimeFormat().resolvedOptions().timeZone;
    const l = navigator.language;
    const rawid = `${dpr}|${tz}|${l}`;
    const hash = await computeSHA256String(rawid, 2);
    const id = (hash[0] << 8) + hash[1];
    return id || randInt2();
}
export class TextEncoderPolyfill {
    constructor() {
        this.encoder = new TextEncoder();
    }
    encode(str) {
        return this.encoder.encode(str);
    }
}
export class TextDecoderPolyfill {
    constructor() {
        this.decoder = new TextDecoder();
    }
    decode(uint8Array) {
        return this.decoder.decode(uint8Array);
    }
}