firebase-token-generator/js/src/json.js

A utility to generate signed Firebase Authentication Tokens

goog.provide('fb.tokengenerator.json');
goog.require('goog.json');


/**
 * Evaluates a JSON string into a javascript object.
 *
 * @param {string} str A string containing JSON.
 * @return {*} The javascript object representing the specified JSON.
 */
fb.tokengenerator.json.parse = function(str) {
  if (typeof JSON !== 'undefined' && goog.isDef(JSON.parse)) {
    return JSON.parse(str);
  } else {
    // NOTE: We could just use eval(), since this case is so rare and the strings we parse are always pretty safe
    // (generated by the server or the developer).  But goog.json.parse is only a few lines of code, so not
    // bothering for now.
    return goog.json.parse(str);
  }
};


/**
 * Returns JSON representing a javascript object.
 * @param {Object} data Javascript object to be stringified.
 * @return {string} The JSON contents of the object.
 */
fb.tokengenerator.json.stringify = function(data) {
  if (typeof JSON !== 'undefined' && goog.isDef(JSON.stringify)) {
    return JSON.stringify(data);
  } else {
    return goog.json.serialize(data);
  }
};