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function uuid() {
try {
return crypto.randomUUID();
} catch (e) {
return String(new Date().getTime());
}
}
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function uuid() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
var userID=uuid();//something like: "ec0c22fa-f909-48da-92cb-db17ecdb91c5"
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const generateUuid = (): string => {
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (character) => {
const random = (Math.random() * 16) | 0;
const value = character === "x" ? random : (random & 0x3) | 0x8;
return value.toString(16);
});
};
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// Install the uuid package by running: npm install uuid
const { v4: uuidv4 } = require('uuid');
// Generate a new UUID
const uuid = uuidv4();
console.log(uuid);
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import { randomUUID } from 'crypto';
randomUUID(); // '7982fcfe-5721-4632-bede-6000885be57d'
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function uuid() {
const template = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx';
const xAndYOnly = /[xy]/g;
return template.replace(xAndYOnly, (character) => {
const randomNo = Math.floor(Math.random() * 16);
const newValue = character === 'x' ? randomNo : (randomNo & 0x3) | 0x8;
return newValue.toString(16);
});
}
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crypto.randomUUID(); // '7982fcfe-5721-4632-bede-6000885be57d'
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const generateUUID = () =>
([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
(
c ^
(crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (c / 4)))
).toString(16)
);
generateUUID(); // '7982fcfe-5721-4632-bede-6000885be57d'