@dfinity/agent
Version:
JavaScript and TypeScript library to interact with the Internet Computer
25 lines • 972 B
JavaScript
/**
* Generates a random unsigned 32-bit integer between 0 and 0xffffffff
* @returns {number} a random number
*/
export const randomNumber = () => {
// determine whether browser crypto is available
if (typeof window !== 'undefined' && !!window.crypto && !!window.crypto.getRandomValues) {
const array = new Uint32Array(1);
window.crypto.getRandomValues(array);
return array[0];
}
// A second check for webcrypto, in case it is loaded under global instead of window
if (typeof crypto !== 'undefined' && crypto.getRandomValues) {
const array = new Uint32Array(1);
crypto.getRandomValues(array);
return array[0];
}
// determine whether node crypto is available
if (typeof crypto !== 'undefined' && crypto.randomInt) {
return crypto.randomInt(0, 0xffffffff);
}
// fall back to Math.random
return Math.floor(Math.random() * 0xffffffff);
};
//# sourceMappingURL=random.js.map