ethers.js/lib.esm/crypto/random.js

/**
 *  A **Cryptographically Secure Random Value** is one that has been
 *  generated with additional care take to prevent side-channels
 *  from allowing others to detect it and prevent others from through
 *  coincidence generate the same values.
 *
 *  @_subsection: api/crypto:Random Values  [about-crypto-random]
 */
import { randomBytes as crypto_random } from "./crypto.js";
let locked = false;
const _randomBytes = function (length) {
    return new Uint8Array(crypto_random(length));
};
let __randomBytes = _randomBytes;
/**
 *  Return %%length%% bytes of cryptographically secure random data.
 *
 *  @example:
 *    randomBytes(8)
 *    //_result:
 */
export function randomBytes(length) {
    return __randomBytes(length);
}
randomBytes._ = _randomBytes;
randomBytes.lock = function () { locked = true; };
randomBytes.register = function (func) {
    if (locked) {
        throw new Error("randomBytes is locked");
    }
    __randomBytes = func;
};
Object.freeze(randomBytes);
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