redux-firestore

Redux bindings for Firestore. Provides low-level API used in other libraries such as react-redux-firebase

Installation

npm install redux-firestore --save

This assumes you are using npm as your package manager.

If you're not, you can access the library on unpkg, download it, or point your package manager to it. Theres more on this in the Builds section below

Complementary Package

Most likely, you'll want react bindings, for that you will need react-redux-firebase. You can install the current version it by running:

npm install --save react-redux-firebase

react-redux-firebase provides withFirestore and firestoreConnect higher order components, which handle automatically calling redux-firestore internally based on component's lifecycle (i.e. mounting/un-mounting)

Use

import { createStore, combineReducers, compose } from 'redux';
import { reduxFirestore, firestoreReducer } from 'redux-firestore';
import firebase from 'firebase/app';
import 'firebase/auth';
import 'firebase/database';
import 'firebase/firestore';

const firebaseConfig = {}; // from Firebase Console
const rfConfig = {}; // optional redux-firestore Config Options

// Initialize firebase instance
firebase.initializeApp(firebaseConfig);
// Initialize Cloud Firestore through Firebase
firebase.firestore();

// Add reduxFirestore store enhancer to store creator
const createStoreWithFirebase = compose(
  reduxFirestore(firebase, rfConfig), // firebase instance as first argument, rfConfig as optional second
)(createStore);

// Add Firebase to reducers
const rootReducer = combineReducers({
  firestore: firestoreReducer,
});

// Create store with reducers and initial state
const initialState = {};
const store = createStoreWithFirebase(rootReducer, initialState);

Then pass store to your component's context using react-redux's Provider:

import React from 'react';
import { render } from 'react-dom';
import { Provider } from 'react-redux';

render(
  <Provider store={store}>
    <MyRootComponent />
  </Provider>,
  rootEl,
);

Call Firestore

Firestore Instance

Functional Components

It is common to make react components "functional" meaning that the component is just a function instead of being a class which extends React.Component. This can be useful, but can limit usage of lifecycle hooks and other features of Component Classes. recompose helps solve this by providing Higher Order Component functions such as withContext, lifecycle, and withHandlers.

import { connect } from 'react-redux';
import {
  compose,
  withHandlers,
  lifecycle,
  withContext,
  getContext,
} from 'recompose';

const withStore = compose(
  withContext({ store: PropTypes.object }, () => {}),
  getContext({ store: PropTypes.object }),
);

const enhance = compose(
  withStore,
  withHandlers({
    loadData: props => () => props.store.firestore.get('todos'),
    onDoneClick: props => (key, done = false) =>
      props.store.firestore.update(`todos/${key}`, { done }),
    onNewSubmit: props => newTodo =>
      props.store.firestore.add('todos', { ...newTodo, owner: 'Anonymous' }),
  }),
  lifecycle({
    componentDidMount(props) {
      props.loadData();
    },
  }),
  connect(({ firebase }) => ({
    // state.firebase
    todos: firebase.ordered.todos,
  })),
);

export default enhance(SomeComponent);

For more information on using recompose visit the docs

Component Class

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
import { watchEvents, unWatchEvents } from './actions/query';
import { getEventsFromInput, createCallable } from './utils';

class Todos extends Component {
  static contextTypes = {
    store: PropTypes.object.isRequired,
  };

  componentDidMount() {
    const { firestore } = this.context.store;
    firestore.get('todos');
  }

  render() {
    return (
      <div>
        {todos.map(todo => (
          <div key={todo.id}>{JSON.stringify(todo)}</div>
        ))}
      </div>
    );
  }
}

export default connect(state => ({
  todos: state.firestore.ordered.todos,
}))(Todos);

API

The store.firestore instance created by the reduxFirestore enhancer extends Firebase's JS API for Firestore. This means all of the methods regularly available through firebase.firestore() and the statics available from firebase.firestore are available. Certain methods (such as get, set, and onSnapshot) have a different API since they have been extended with action dispatching. The methods which have dispatch actions are listed below:

Actions

get

store.firestore.get({ collection: 'cities' }),
// store.firestore.get({ collection: 'cities', doc: 'SF' }), // doc

set

store.firestore.set({ collection: 'cities', doc: 'SF' }, { name: 'San Francisco' }),

add

store.firestore.add({ collection: 'cities' }, { name: 'Some Place' }),

update

const itemUpdates =  {
  some: 'value',
  updatedAt: store.firestore.FieldValue.serverTimestamp()
}

store.firestore.update({ collection: 'cities', doc: 'SF' }, itemUpdates),

delete

store.firestore.delete({ collection: 'cities', doc: 'SF' }),

runTransaction

store.firestore
  .runTransaction(t => {
    return t.get(cityRef).then(doc => {
      // Add one person to the city population
      const newPopulation = doc.data().population + 1;
      t.update(cityRef, { population: newPopulation });
    });
  })
  .then(result => {
    // TRANSACTION_SUCCESS action dispatched
    console.log('Transaction success!');
  })
  .catch(err => {
    // TRANSACTION_FAILURE action dispatched
    console.log('Transaction failure:', err);
  });

Types of Queries

Each of these functions take a queryOptions object with options as described in the Query Options section of this README. Some simple query options examples are used here for better comprehension.

get

props.store.firestore.get({ collection: 'cities' }),
// store.firestore.get({ collection: 'cities', doc: 'SF' }), // doc

onSnapshot/setListener

store.firestore.onSnapshot({ collection: 'cities' }),
// store.firestore.setListener({ collection: 'cities' }), // alias
// store.firestore.setListener({ collection: 'cities', doc: 'SF' }), // doc

setListeners

store.firestore.setListeners([
  { collection: 'cities' },
  { collection: 'users' },
]),

unsetListener / unsetListeners

After setting a listener/multiple listeners, you can unset them with the following two functions. In order to unset a specific listener, you must pass the same queryOptions object given to onSnapshot/setListener(s).

store.firestore.unsetListener({ collection: 'cities' }),
// of for any number of listeners at once :
store.firestore.unsetListeners([query1Options, query2Options]),
// here query1Options as in { collection: 'cities' } for example

Query Options

Collection

{ collection: 'cities' },
// or string equivalent
// store.firestore.get('cities'),

Document

{ collection: 'cities', doc: 'SF' },
// or string equivalent
// props.store.firestore.get('cities/SF'),

Sub Collections

{
  collection: 'cities',
  doc: 'SF',
  subcollections: [{ collection: 'zipcodes' }],
  storeAs: 'SF-zipcodes' // make sure to include this
},

NOTE: storeAs is now required for subcollections. This is to more closely match the logic of the upcoming major release (v1) which stores all collections, even subcollections, at the top level of data and ordered state slices.

Collection Group

{ collectionGroup: 'landmarks' },
// does not support string equivalent

Note: When nesting sub-collections, storeAs should be used for more optimal state updates.

Where

To create a single where call, pass a single argument array to the where parameter:

{
  collection: 'cities',
  where: ['state', '==', 'CA']
},

Multiple where queries are as simple as passing multiple argument arrays (each one representing a where call):

{
  collection: 'cities',
  where: [
    ['state', '==', 'CA'],
    ['population', '<', 100000]
  ]
},

Firestore doesn't allow you to create or style queries. Instead, you should pass in multiple queries and compose your data.

['sally', 'john', 'peter'].map(friendId => ({
  collection: 'users',
  where: [
    ['id', '==', friendId],
    ['isOnline', '==', true]
  ]
  storeAs: 'onlineFriends'
}));

Since the results must be composed, a query like this is unable to be properly ordered. The results should be pulled from data.

Can only be used with collections

orderBy

To create a single orderBy call, pass a single argument array to orderBy

{
  collection: 'cities',
  orderBy: ['state'],
  // orderBy: 'state' // string notation can also be used
},

Multiple orderBys are as simple as passing multiple argument arrays (each one representing a orderBy call)

{
  collection: 'cities',
  orderBy: [
    ['state'],
    ['population', 'desc']
  ]
},

Can only be used with collections

limit

Limit the query to a certain number of results

{
  collection: 'cities',
  limit: 10
},

Can only be used with collections

startAt

Creates a new query where the results start at the provided document (inclusive)

From Firebase's startAt docs

{
  collection: 'cities',
  orderBy: 'population',
  startAt: 1000000
},

Can only be used with collections. Types can be a string, number, Date object, or an array of these types, but not a Firestore Document Snapshot

startAfter

Creates a new query where the results start after the provided document (exclusive)...

From Firebase's startAfter docs

{
  collection: 'cities',
  orderBy: [['state', 'asc'],['population','desc']]
  startAfter: ["CA", 1000000]
},

Note: for the above to return valid results, there must be at least one document with state = "CA" and population = 1000000 (i.e. the values idenify "the provided document").

Can only be used with collections. Types can be a string, number, Date object, or an array of these types, but not a Firestore Document Snapshot

endAt

Creates a new query where the results end at the provided document (inclusive)...

From Firebase's endAt docs

{
  collection: 'cities',
  orderBy: 'population',
  endAt: 1000000
},

Can only be used with collections. Types can be a string, number, Date object, or an array of these types, but not a Firestore Document Snapshot

endBefore

Creates a new query where the results end before the provided document (exclusive) ...

From Firebase's endBefore docs

{
  collection: 'cities',
  orderBy: 'population',
  endBefore: 1000000
},

Can only be used with collections. Types can be a string, number, Date object, or an array of these types, but not a Firestore Document Snapshot

storeAs

Storing data under a different path within redux is as easy as passing the storeAs parameter to your query:

{
  collection: 'cities',
  where: ['state', '==', 'CA'],
  storeAs: 'caliCities' // store data in redux under this path instead of "cities"
},

Note: Usage of "/" and "." within storeAs can cause unexpected behavior when attempting to retrieve from redux state

Other Firebase Statics

Other Firebase statics (such as FieldValue) are available through the firestore instance:

import PropTypes from 'prop-types'
import { connect } from 'react-redux'
import {
  compose,
  withHandlers,
  withContext,
  getContext
} from 'recompose'

const withStore = compose(
  withContext({ store: PropTypes.object }, () => {}),
  getContext({ store: PropTypes.object }),
)

const enhance = compose(
  withStore,
  withHandlers({
    onDoneClick: props => (key, done = true) => {
      const { firestore } = props.store
      return firestore.update(`todos/${key}`, {
        done,
        updatedAt: firestore.FieldValue.serverTimestamp() // use static from firestore instance
      }),
    }
  })
)

export default enhance(SomeComponent)

Population

Population, made popular in react-redux-firebase, also works with firestore.

Automatic Listeners

import { connect } from 'react-redux';
import { firestoreConnect, populate } from 'react-redux-firebase';
import {
  compose,
  withHandlers,
  lifecycle,
  withContext,
  getContext,
} from 'recompose';

const populates = [{ child: 'createdBy', root: 'users' }];
const collection = 'projects';

const withPopulatedProjects = compose(
  firestoreConnect(props => [
    {
      collection,
      populates,
    },
  ]),
  connect((state, props) => ({
    projects: populate(state.firestore, collection, populates),
  })),
);

Manually using setListeners

import { withFirestore, populate } from 'react-redux-firebase';
import { connect } from 'react-redux';
import { compose, lifecycle } from 'recompose';

const collection = 'projects';
const populates = [{ child: 'createdBy', root: 'users' }];

const enhance = compose(
  withFirestore,
  lifecycle({
    componentDidMount() {
      this.props.firestore.setListener({ collection, populates });
    },
  }),
  connect(({ firestore }) => ({
    // state.firestore
    todos: firestore.ordered.todos,
  })),
);

Manually using get

import { withFirestore, populate } from 'react-redux-firebase';
import { connect } from 'react-redux';
import { compose, lifecycle } from 'recompose';

const collection = 'projects';
const populates = [{ child: 'createdBy', root: 'users' }];

const enhance = compose(
  withFirestore,
  lifecycle({
    componentDidMount() {
      this.props.store.firestore.get({ collection, populates });
    },
  }),
  connect(({ firestore }) => ({
    // state.firestore
    todos: firestore.ordered.todos,
  })),
);

Config Options

Optional configuration options for redux-firestore, provided to reduxFirestore enhancer as optional second argument. Combine any of them together in an object.

logListenerError

Default: true

Whether or not to use console.error to log listener error objects. Errors from listeners are helpful to developers on multiple occasions including when index needs to be added.

enhancerNamespace

Default: 'firestore'

Namespace under which enhancer places internal instance on redux store (i.e. store.firestore).

allowMultipleListeners

Default: false

Whether or not to allow multiple listeners to be attached for the same query. If a function is passed the arguments it receives are listenerToAttach, currentListeners, and the function should return a boolean.

preserveOnDelete

Default: null

Values to preserve from state when DELETE_SUCCESS action is dispatched. Note that this will not prevent the LISTENER_RESPONSE action from removing items from state.ordered if you have a listener attached.

preserveOnListenerError

Default: null

Values to preserve from state when LISTENER_ERROR action is dispatched.

onAttemptCollectionDelete

Default: null

Arguments:(queryOption, dispatch, firebase)

Function run when attempting to delete a collection. If not provided (default) delete promise will be rejected with "Only documents can be deleted" unless. This is due to the fact that Collections can not be deleted from a client, it should instead be handled within a cloud function (which can be called by providing a promise to onAttemptCollectionDelete that calls the cloud function).

mergeOrdered

Default: true

Whether or not to merge data within orderedReducer.

mergeOrderedDocUpdate

Default: true

Whether or not to merge data from document listener updates within orderedReducer.

mergeOrderedCollectionUpdates

Default: true

Whether or not to merge data from collection listener updates within orderedReducer.

Builds

Most commonly people consume Redux Firestore as a CommonJS module. This module is what you get when you import redux in a Webpack, Browserify, or a Node environment.

If you don't use a module bundler, it's also fine. The redux-firestore npm package includes precompiled production and development UMD builds in the dist folder. They can be used directly without a bundler and are thus compatible with many popular JavaScript module loaders and environments. For example, you can drop a UMD build as a <script> tag on the page. The UMD builds make Redux Firestore available as a window.ReduxFirestore global variable.

It can be imported like so:

<script src="../node_modules/redux-firestore/dist/redux-firestore.min.js"></script>
<!-- or through cdn: <script src="https://unpkg.com/redux-firestore@latest/dist/redux-firestore.min.js"></script> -->
<script>
  console.log('redux firestore:', window.ReduxFirestore);
</script>

Note: In an effort to keep things simple, the wording from this explanation was modeled after the installation section of the Redux Docs.

Applications Using This

fireadmin.io - Firebase Instance Management Tool (source available here)

FAQ

How do I update a document within a subcollection?

Provide subcollections config the same way you do while querying:

props.firestore.update(
  {
    collection: 'cities',
    doc: 'SF',
    subcollections: [{ collection: 'counties', doc: 'San Mateo' }],
  },
  { some: 'changes' },
);

How do I get auth state in redux?

You will most likely want to use react-redux-firebase or another redux/firebase connector. For more information please visit the complementary package section.
Are there Higher Order Components for use with React?

react-redux-firebase contains firebaseConnect, firestoreConnect, withFirebase and withFirestore HOCs. For more information please visit the complementary package section.

Roadmap

Automatic support for documents that have a parameter and a subcollection with the same name (currently requires storeAs)
Support for Passing a Ref to setListener in place of queryConfig object or string

Post an issue with a feature suggestion if you have any ideas!

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.opensource		.opensource
examples		examples
src		src
test		test
.babelrc		.babelrc
.codeclimate.yml		.codeclimate.yml
.editorconfig		.editorconfig
.eslintignore		.eslintignore
.eslintrc.js		.eslintrc.js
.gitignore		.gitignore
.npmignore		.npmignore
.prettierrc		.prettierrc
CHANGELOG.md		CHANGELOG.md
CODE_OF_CONDUCT.md		CODE_OF_CONDUCT.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE.md		LICENSE.md
README.md		README.md
index.d.ts		index.d.ts
jsconfig.json		jsconfig.json
package.json		package.json
webpack.config.js		webpack.config.js
yarn.lock		yarn.lock

License

sparkletown/redux-firestore

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redux-firestore

Installation

Complementary Package

Use

Call Firestore

Firestore Instance

Functional Components

Component Class

API

Actions

get

set

add

update

delete

runTransaction

Types of Queries

get

onSnapshot/setListener

setListeners

unsetListener / unsetListeners

Query Options

Collection

Document

Sub Collections

Collection Group

Where

orderBy

limit

startAt

startAfter

endAt

endBefore

storeAs

Other Firebase Statics

Population

Automatic Listeners

Manually using setListeners

Manually using get

Config Options

logListenerError

enhancerNamespace

allowMultipleListeners

preserveOnDelete

preserveOnListenerError

onAttemptCollectionDelete

mergeOrdered

mergeOrderedDocUpdate

mergeOrderedCollectionUpdates

Builds

Applications Using This

FAQ

Roadmap

About

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