overleaf/services/real-time/app/js/SafeJsonParse.js

/* eslint-disable
    handle-callback-err,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const Settings = require('settings-sharelatex')
const logger = require('logger-sharelatex')

module.exports = {
  parse(data, callback) {
    let parsed
    if (callback == null) {
      callback = function (error, parsed) {}
    }
    if (data.length > Settings.maxUpdateSize) {
      logger.error(
        { head: data.slice(0, 1024), length: data.length },
        'data too large to parse'
      )
      return callback(new Error('data too large to parse'))
    }
    try {
      parsed = JSON.parse(data)
    } catch (e) {
      return callback(e)
    }
    return callback(null, parsed)
  }
}