@aller/blink/lib/utils/uuid.js

A library for tracking user behaviour.

"use strict";
/* tslint:disable */
Object.defineProperty(exports, "__esModule", { value: true });
var uuidDict = {};
/**
 * Gives a unique but consistent id for each key.
 * Saves the uuid, so if several system is using this, they get the same value!
 */
function generateUUID(key) {
    if (key === void 0) { key = ''; }
    if (key && key in uuidDict) {
        return uuidDict[key];
    }
    // Public Domain/MIT
    var d = new Date().getTime();
    if (typeof performance !== 'undefined' &&
        typeof performance.now === 'function') {
        d += performance.now(); // use high-precision timer if available
    }
    var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
        var r = (d + Math.random() * 16) % 16 | 0;
        d = Math.floor(d / 16);
        return (c === 'x' ? r : (r & 0x3) | 0x8).toString(16);
    });
    uuidDict[key] = uuid;
    return uuid;
}
exports.default = generateUUID;
//# sourceMappingURL=uuid.js.map