saij/core/utils/uid.js

A learning engine.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getUid = getUid;
exports.VERSION = void 0;

/**
 * @module saij/core/utils/uid
 */

/**
 * Counter for getUid.
 * @type {number}
 * @private
 */
let uidCounter_ = 0;
/**
 * Gets a unique ID for an object. This mutates the object so that further calls
 * with the same object as a parameter returns the same value. Unique IDs are
 * generated as a strictly increasing sequence. Adapted from goog.getUid.
 *
 * @param {Object} obj The object to get the unique ID for.
 * @return {number} The unique ID for the object.
 */

function getUid(obj) {
  // eslint-disable-next-line no-return-assign, no-plusplus
  return obj.saij_uid || (obj.saij_uid = ++uidCounter_);
}
/**
 * Saij version.
 * @type {string}
 */


const VERSION = '1.0.2';
exports.VERSION = VERSION;
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