@tangential/firebase-util/fesm2020/tangential-firebase-util.mjs.map

Utility classes and shared functionality for Tangential services that use Firebase.

{"version":3,"file":"tangential-firebase-util.mjs","sources":["../../../../projects/tangential/firebase-util/src/lib/placeholder.ts","../../../../projects/tangential/firebase-util/src/lib/fire-blanket.ts","../../../../projects/tangential/firebase-util/src/lib/firebase-config.ts","../../../../projects/tangential/firebase-util/src/lib/firebase-provider.ts","../../../../projects/tangential/firebase-util/src/lib/firebase-errors.ts","../../../../projects/tangential/firebase-util/src/public-api.ts","../../../../projects/tangential/firebase-util/src/tangential-firebase-util.ts"],"sourcesContent":["export const Placeholder: any = Symbol('placeholder')\n\n","import {DatabaseReference, Query, DataSnapshot} from '@firebase/database'\nimport { set, push, remove, update, onValue } from 'firebase/database'\nimport {BehaviorSubject, Observable} from 'rxjs'\nimport {filter, first} from 'rxjs/operators'\n\nimport {Placeholder} from './placeholder'\n\nexport type OnRefKey = 'value' | 'child_added' | 'child_removed' | 'child_changed' | 'child_moved'\nexport const OnRefKeys = {\n  value:         <OnRefKey>'value',\n  child_added:   <OnRefKey>'child_added',\n  child_removed: <OnRefKey>'child_removed',\n  child_changed: <OnRefKey>'child_changed',\n  child_moved:   <OnRefKey>'child_moved',\n}\n\n/**\n * Copy-paste for local use, rather than create a dependency on core.\n */\nconst isObject = function (value: any): boolean {\n  return (typeof value === 'object' || value['constructor'] === Object)\n}\n\n/**\n * Prevent typescript casting issues while maintaining/enhancing type safety.\n */\nexport class FireBlanket {\n\n  static util = {\n\n    clean<T extends object>(obj: T, deep: boolean = true): T {\n      const cleanObj: T = <T>{}\n      Object.keys(obj).forEach((key) => {\n        let value = (obj as any)[key]\n        if (FireBlanket.util.isLegalFirebaseKey(key) && FireBlanket.util.isLegalFirebaseValue(value)) {\n          (cleanObj as any)[key] = (deep && isObject(value)) ? FireBlanket.util.clean(value) : value\n        }\n      })\n      return cleanObj\n    },\n\n    removeIllegalKeys<T extends object>(obj: T): T {\n      const cleanObj: T = <T>{}\n      Object.keys(obj as any).forEach((key) => {\n        if (FireBlanket.util.isLegalFirebaseKey(key)) {\n          (cleanObj as any)[key] = (obj as any)[key]\n        }\n      })\n      return cleanObj\n    },\n\n    isLegalFirebaseKey(key: string): boolean {\n      return key !== null && key !== undefined && !key.startsWith('$')\n    },\n\n    isLegalFirebaseValue(value: any): boolean {\n      return value !== null && value !== undefined\n    },\n\n    isFirebaseGeneratedId(key: string): boolean {\n      let isKey = false\n      // starts with \"-\" will be true for over a decade.\n      if (key && key.length === 20 && key.startsWith('-')) {\n        isKey = true\n      }\n      return isKey\n    }\n\n  }\n\n  /**\n   * Read the value once and return.\n   * @param query\n   */\n  static value(query: Query): Promise<DataSnapshot> {\n    return new Promise<DataSnapshot>((resolve, reject) => {\n      onValue(query, (snap: DataSnapshot) => {\n        resolve(snap);\n      }, {\n        onlyOnce: true\n      });\n    });\n  }\n\n  static value$(query: Query): Observable<DataSnapshot> {\n    const subject = new BehaviorSubject(Placeholder); // this semicolon is required.\n\n    /** @todo: ggranum: The unsubscribe is hacky, and won't actually remove the firebase\n     * listener unless there is a 'next' element called\n     * @maybeBug: Possible memory leak for long-running sessions with many value listeners\n     * */\n      (subject as any)['_firebaseUnsubscribe'] = onValue(query, (snap: DataSnapshot) => {\n      if(subject.closed){\n        (subject as any)['_firebaseUnsubscribe']()\n        delete (subject as any)['_firebaseUnsubscribe']\n      }\n      subject.next(snap)\n    }, (error: any) => {\n      subject.error(error)\n    })\n    return subject\n  }\n\n  static awaitValue$(query: Query): Observable<DataSnapshot> {\n    return this.value$(query).pipe(filter(v => v !== Placeholder))\n  }\n\n  static valueOnce$(query: Query): Observable<DataSnapshot> {\n    return this.value$(query).pipe(first(v => v !== Placeholder))\n  }\n\n  static set<T>(ref: DatabaseReference, value: T): Promise<void> {\n    return new Promise<void>((resolve, reject) => {\n      try {\n        set(ref, value).then(() => {}).catch((e: Error) => {\n          if (e) {\n            reject(e)\n          } else {\n            resolve()\n          }\n        })\n      } catch (e) {\n        reject(e)\n      }\n    })\n  }\n\n  static push<T>(ref: DatabaseReference, value: T): Promise<void> {\n    return new Promise<void>((resolve, reject) => {\n      try {\n        push(ref, value).catch((e: Error) => {\n          if (e) {\n            reject(e)\n          } else {\n            resolve()\n          }\n        })\n      } catch (e) {\n        reject(e)\n      }\n    })\n  }\n\n  static update<T extends object>(ref: DatabaseReference, value: T): Promise<void> {\n       return update(ref, value )\n  }\n\n  static remove<T>(ref: DatabaseReference): Promise<void> {\n    return remove(ref)\n  }\n}\n","import {Injectable} from '@angular/core'\n\n/**\n *  @todo: Maybe instantiate this via the config object that we inject?\n *  This can't be an interface because of inject, but we never new it up (it's treated as an interface basically)\n */\n@Injectable()\nexport class FirebaseConfig {\n  apiKey: string = ''\n  authDomain: string = ''\n  databaseURL: string = ''\n  storageBucket: string = ''\n}\n","import {Injectable} from '@angular/core'\n\nimport {FirebaseApp} from '@firebase/app'\nimport {Database} from '@firebase/database'\nimport {getApp, initializeApp } from \"firebase/app\";\nimport { getDatabase } from 'firebase/database';\n\nimport {FirebaseConfig} from './firebase-config'\n\n/**\n * With the new function route in Firebase 9, this is basically useless. Possibly worse than useless given the complications that\n * injecting multiple providers involve.\n */\n@Injectable()\nexport class FirebaseProvider {\n\n  public app: FirebaseApp\n\n  constructor(private config: FirebaseConfig) {\n    const name:string = 'defaultDb'\n\n    if (!config || !config.apiKey) {\n      console.log('FirebaseProvider', 'constructor', config)\n      throw new Error('FirebaseProvider requires an instance of FirebaseConfig to be set as a provider in your module.')\n    }\n    try {\n      this.app = initializeApp(config, name);\n    } catch (e) {\n      // re-init happens in unit tests.\n      console.log(\"FirebaseProvider', 'Reinitializing firebase - if you're not running unit tests this is bad.\")\n      this.app = getApp(name)\n    }\n  }\n\n  /**\n   * refactoring stub so we can inline later, hopefully.\n   */\n  getDatabase(): Database{\n    return getDatabase(this.app)\n  }\n}\n","export const FirebaseErrors = {\n  invalidEmail: 'auth/invalid-email',\n  userNotFound: 'auth/user-not-found',\n  badPassword:  'auth/wrong-password',\n}\n","/*\n * Public API Surface of firebase-util\n */\nexport * from './lib/fire-blanket'\nexport * from './lib/firebase-config'\nexport * from './lib/firebase-provider'\nexport * from './lib/firebase-errors'\nexport * from './lib/firebase-filters'\nexport * from './lib/placeholder'\n","/**\n * Generated bundle index. 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