@react-native-firebase/app/dist/module/internal/web/memidb/lib/KeyGenerator.js

A well tested, feature rich Firebase implementation for React Native, supporting iOS & Android. Individual module support for Admob, Analytics, Auth, Crash Reporting, Cloud Firestore, Database, Dynamic Links, Functions, Messaging (FCM), Remote Config, Sto

"use strict";

import { ConstraintError } from './errors.js';
const MAX_KEY = 9007199254740992;
class KeyGenerator {
  // This is kind of wrong. Should start at 1 and increment only after record is saved
  num = 0;
  next() {
    if (this.num >= MAX_KEY) {
      throw new ConstraintError();
    }
    this.num += 1;
    return this.num;
  }

  // https://w3c.github.io/IndexedDB/#possibly-update-the-key-generator
  setIfLarger(num) {
    const value = Math.floor(Math.min(num, MAX_KEY)) - 1;
    if (value >= this.num) {
      this.num = value + 1;
    }
  }
}
export default KeyGenerator;
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