ForceJS - JavaScript Toolkit for Salesforce APIs

ForceJS is a micro-library that makes it easy to use the Salesforce REST APIs in JavaScript applications. ForceJS allows you to easily authenticate with Salesforce using OAuth, and to manipulate Salesforce data using a simple API.

The main target of ForceJS are:

Client-side JavaScript applications deployed on your own server (Heroku or elsewhere)
Hybrid mobile apps built with Apache Cordova and the Salesforce Mobile SDK

Applications deployed inside a Salesforce instance (Visualforce Page or Lightning Components) can use one of the data access utilities built into the Salesforce Platform instead: JavaScript Remoting, Remote Objects, Lightning Data Service, etc.

Built on ECMAScript 6

Modern JavaScript applications now use ECMAScript 6 (aka ECMAScript 2015) and beyond. The current version of modern frameworks (such as React, Angular 2, and Ionic 2) are also built on top of ECMAScript 6 and beyond. To support modern application development, and to integrate nicely with these frameworks, ForceJS is now built on top of ECMAScript 6 as well.

Compatible with ECMAScript 5

The ECMAScript 6 source files are compiled into an ECMAScript 5 compatible version. The ECMAScript 5 compatible files are available in the dist directory. The ECMAScript 5 files support the Universal Module Definition (UMD) format. In other words, they can be used with AMD or CommonJS module loaders as well as globally using the force.OAuth and force.DataService variables.

The original ECMAScript 5-only version of forcejs is still available in the es5 branch of this repository. The es5 branch is no longer actively developed.

Key Characteristics

No dependency
Loaded as an ECMAScript 6 module
Asynchronous calls return ECMAScript 6 promises
Complete OAuth login workflow (User Agent)
Works transparently in the browser and in Cordova using the Salesforce Mobile SDK OAuth plugin
Automatically refreshes OAuth access_token (if available) on expiration
Tightly integrated with force-server, a local development server that works as a proxy and a local web server to provide a streamlined developer experience
Simple API to manipulate data (create, update, delete, upsert)
Supports connections to multiple instances of Salesforce in the same application
Works with modern JavaScript frameworks: React, Angular 2, Ionic 2, etc.

Modular

ForceJS is built on a modular architecture. It currently includes two modules:

forcejs/oauth: A module that makes it easy to authenticate with Salesforce using the OAuth User Agent workflow
forcejs/data-service: A module that makes it easy to access data through the Salesforce APIs

forcejs/oauth and forcejs/data-service are typically used together in an application, but you can use them separately. For example, you could use forcejs/oauth by itself if all you need is a Salesforce access token (Lightning Out use cases). Similarly, you could use forcejs/data-service by itself if you already have an access token, and all you need is a simple library to access the Salesforce APIs.

Browser and Cordova Abstraction

ForceJS can be used to develop browser-based apps or hybrid mobile apps using the Salesforce Mobile SDK and Apache Cordova. If you develop a hybrid application using the Salesforce Mobile SDK, you often switch back and forth between running the app in the browser and on device. Developing in the browser is generally faster and easier to debug, but you still need to test device-specific features and check that everything runs as expected on the target platforms. The problem is that the configuration of OAuth and REST is different when running in the browser and on device. Here is a summary of the key differences:

	Browser	Mobile SDK
Requires Proxy	Yes(*)	No
OAuth	Window Popup	OAuth Plugin

(*) Starting in the Spring 15 release, some Salesforce REST APIs (like Chatter and sobjects) support CORS. To allow an app to make direct REST calls against your org, register the app domain in Setup: Administer > Security Controls > CORS.

ForceJS abstracts these differences and allows you to run your app in the browser and on device without code or configuration changes.

ECMAScript 6 Usage

import {OAuth, DataService} from 'forcejs';

let oauth = OAuth.createInstance();
oauth.login().then(oauthResult => DataService.createInstance(oauthResult));

let loadContacts = () => {
    let service = DataService.getInstance();
    service.query('select id, Name from contact LIMIT 50')
        .then(response => {
            let contacts = response.records;
            // do something with contacts
    });
}

If you are only using one of the forcejs submodules (either oauth or data), the following import syntax is recommended to make sure the compiled version does not include the module you don't use if your build tool doesn't support tree shaking:

import OAuth from 'forcejs/oauth';
//or
import DataService from 'forcejs/data-service';

Because current browsers don't yet support all the ECMAScript 6 features, you need to use a build tool to compile (transpile) your ECMAScript 6 code to ECMAScript 5 compatible code, and provide the module loading infrastructure. Webpack, Browserify, and Rollup are popular options. Webpack instructions are provided in the Quick Start sections below. Frameworks like React, Angular 2, and Ionic 2 already come with a build process. If you are using these frameworks, no additional step is necessary.

ECMAScript 5 Usage

Use the ECMAScript 5 compatible files available in the dist directory.

<script src="force.all.js"></script>
<script>
    var oauth = force.OAuth.createInstance();
    oauth.login().then(function(oauthResult) {
        force.DataService.createInstance(oauthResult));    
    });

    function loadContacts() {
        var service = force.DataService.getInstance();
        service.query('select id, Name from contact LIMIT 50')
            .then(function() {
                var contacts = response.records;
                // do something with contacts
            });
    }
</script>

If you are only using one of the forcejs modules (either oauth or data), the following syntax is recommended to avoid including modules you don't use:

<script src="force.oauth.js"></script>
// or
<script src="force.data-service.js"></script>

var oauth = force.OAuth.createInstance();
// or
var service = force.DataService.createInstance(oauthResult);

Quick Start 1: Simple Browser App

Create a new directory for your project, navigate (cd) to that directory, and type the following command to initialize a project that uses the npm package manager (accept all the default values):
```
npm init
```
Type the following command to install forcejs:
```
npm install forcejs --save-dev
```
Type the following command to install the force-server development server:
```
npm install force-server --save-dev
```

Type the following command to install Webpack and Babel:

npm install babel-core babel-loader babel-preset-es2015 webpack --save-dev

Using your favorite editor, open package.json and modify the scripts section as follows:
```
"scripts": {
    "webpack": "webpack",
    "start": "force-server"
},
```

In your project's root directory, create a file named webpack.config.js:

var path = require('path');
var webpack = require('webpack');

module.exports = {
    entry: './app.js',
    output: {
        filename: 'app.bundle.js'
    },
    module: {
        loaders: [
            {
                test: /\.js$/,
                loader: 'babel-loader',
                query: {
                    presets: ['es2015']
                }
            }
        ]
    },
    stats: {
        colors: true
    },
    devtool: 'source-map'
};

In your project's root directory, create a file named index.html:

<!DOCTYPE html>
<html>
<body>
    <h1>Forcejs Quick Start</h1>
    <ul id="contacts"></ul>
    <script src="app.bundle.js"></script>
</body>
</html>

In your project's root directory, create a file named app.js:

import {OAuth, DataService} from 'forcejs';

let oauth = OAuth.createInstance();
oauth.login()
    .then(oauthResult => {
        DataService.createInstance(oauthResult);
        loadContacts();
    });

let loadContacts = () => {
    let service = DataService.getInstance();
    service.query('select id, Name from contact LIMIT 50')
        .then(response => {
            let contacts = response.records;
            let html = '';
            contacts.forEach(contact => html = html + `<li>${contact.Name}</li>`);
            document.getElementById("contacts").innerHTML = html;
    });
}

On the command line, type the following command to build your project:
```
npm run webpack
```
Type the following command to start the app in a browser:
```
npm start
```

Quick Start 2: Hybrid Mobile App with Cordova and the Mobile SDK

Install Cordova and the Salesforce Mobile SDK for the platform of your choice. For example, for iOS:
```
npm install -g cordova forceios
```
On a Mac, you may have to use sudo:
```
sudo npm install -g cordova forceios
```
Create a new mobile application:
```
forceios create
```

Answer the prompts as follows (adjust the company id and organization name as needed):

Enter your application type (native, hybrid_remote, or hybrid_local): hybrid_local
Enter your application name: myforcejsapp
Enter the output directory for your app (defaults to the current directory):
Enter your company identifier (com.mycompany): com.mycompany.myforcejsapp
Enter your organization name (Acme, Inc.): MyCompany, Inc.
Enter your Connected App ID (defaults to the sample app’s ID):
Enter your Connected App Callback URI (defaults to the sample app’s URI):

Navigate (cd) to the project directory:
```
cd myforcejsapp
```
Type the following command to initialize a project that uses the npm package manager (accept all the default values):
```
npm init
```
Type the following command to install forcejs:
```
npm install forcejs --save-dev
```
Type the following command to install the force-server development server:
```
npm install force-server --save-dev
```

Type the following command to install Webpack and Babel:

npm install babel-core babel-loader babel-preset-es2015 webpack --save-dev

Using your favorite editor, open package.json and modify the scripts section as follows:
```
"scripts": {
    "webpack": "webpack",
    "start": "force-server --root www"
},
```

In your project's root directory, create a file named webpack.config.js:

var path = require('path');
var webpack = require('webpack');

module.exports = {
    entry: './app/app.js',
    output: {
        path: path.resolve(__dirname, 'www'),
        filename: 'app.bundle.js'
    },
    module: {
        loaders: [
            {
                test: /\.js$/,
                loader: 'babel-loader',
                query: {
                    presets: ['es2015']
                }
            }
        ]
    },
    stats: {
        colors: true
    },
    devtool: 'source-map'
};

In your project's root directory, create a directory called app

In the app directory, create a file named app.js:

import {OAuth, DataService} from 'forcejs';

let oauth = OAuth.createInstance();
oauth.login()
    .then(oauthResult => {
        DataService.createInstance(oauthResult);
        loadContacts();
    });

let loadContacts = () => {
    let service = DataService.getInstance();
    service.query('select id, Name from contact LIMIT 50')
        .then(response => {
            let contacts = response.records;
            let html = '';
            contacts.forEach(contact => html = html + `<li>${contact.Name}</li>`);
            document.getElementById("contacts").innerHTML = html;
    });
}

In the www directory, delete all the files and directories except bootconfig.json and index.html

Open index.html. Replace the content with:

<!DOCTYPE html>
<html>
<body>
    <h1>Forcejs App</h1>
    <ul id="contacts"></ul>
    <script src="cordova.js"></script>
    <script src="app.bundle.js"></script>
</body>
</html>

On the command line, type the following command to build your project:

npm run webpack

Type the following command to run the app in the browser:
```
npm start
```
On a Mac, type the following command to build the app for iOS:
```
cordova build ios
```
Run the app on your iOS device:
- Open platforms/ios/myforcejsapp.xcodeproj in Xcode
- Click myforcejsapp in the left sidebar
- In the Signing section, select a team corresponding to a valid certificate
- Click the Run button in the toolbar to run the application on your device.

API Reference

forcejs/oauth

Basic Usage:

import OAuth from "forcejs/oauth";
let oauth = OAuth.createInstance();
oauth.login().then(result => {
    console.log(result); // Prints access token, instance URL, and refresh token (if any)
});

createInstance(appId, loginURL, oauthCallbackURL)

appId

The Salesforce Connected App Id. For convenience, ForceJS uses a default connected app if the appId is not provided. The default connected app supports http://localhost:8200/oauthcallback.html as the OAuth callback URL to provide an out-of-the-box development experience using force-server. You need to create your own connected app with your own OAuth callback URL to run your application on a different server and port.

Optional

Default: 3MVG9fMtCkV6eLheIEZplMqWfnGlf3Y.BcWdOf1qytXo9zxgbsrUbS.ExHTgUPJeb3jZeT8NYhc.hMyznKU92
loginURL

The URL for the login window that should be used as part of the OAuth process.

Optional

Default: https://login.salesforce.com
oauthCallbackURL

The URL Salesforce calls back with an authenticated access token (or an error) at the end of the OAuth authentication workflow.

Optional

Default: The base URL the application was loaded from. For example, if you load the app from http://localhost:8200, the default OAuth callback URL is http://localhost:8200/oauthcallback.html. If you load the app from https://myserver.com/myapp, the default OAuth callback URL is https://myserver.com/myapp/oauthcallback.html

login()

Starts the User Agent OAuth workflow using a popup window when running in the browser or the oauth plugin when running in Cordova.

Return Value: A promise. When resolved, an object with the following fields is provided: appId, accessToken, instanceURL, refreshToken, and userId.

forcejs/data-service

Basic Usage:

import Oauth from "forcejs/oauth";
import Service from "forcejs/data-service";
let oauth = OAuth.createInstance();
oauth.login().then(oauthResult => {
    Service.createInstance(oauthResult);
});

createInstance(oauth, options, name)

oauth. Required. An object with the following fields:
- accessToken
  
  The authenticated access token
  
  Required, no default
- instanceURL
  
  The Salesforce instance URL
  
  Required, no default
- refreshToken
  
  The refresh token
  
  Optional, no default
options. Optional. An object with the following fields:
- useProxy.
  
  By default, ForceJS will automatically determine if it needs to use a CORS proxy: It won't use a proxy if the app is running inside a Visualforce page or a Cordova app, and will use the proxy in any other case. You can force ForceJS to always use a proxy by setting this value to true.
  
  Starting in the Spring 15 release, some Salesforce REST APIs (like Chatter and sobjects) support CORS. To allow an app to make direct REST calls against your org, register the app domain in Setup: Administer > Security Controls > CORS. If you whitelist your domain and use APIs that support CORS, you can set useProxy to false.
  
  Optional. Default: false if the app is running in Cordova or in a Visualforce page, true if it's not.
- proxyURL.
  
  The URL of the CORS proxy server. This parameter is ignored when the app is running in Cordova or inside a Visualforce page.
  
  Optional. Default: The base URL the application was loaded from. For example, if you load the app from http://localhost:8200, the default proxyURL is http://localhost:8200. If you load the app from https://myserver.com/myapp, the default proxyURL is https://myserver.com/myapp
- apiVersion
  
  The version of the Salesforce API.
  
  Optional. Default: v36.0
name

By default createInstance() creates a singleton instance which is what you want when your app works with a single Salesforce org. If you are building an app that connects to multiple Salesforce instances, provide a name that identifies the instance. For example:
```
createInstance(oauth, options, "sales");
```
You can later retrieve that specific instance using:
```
getInstance("sales");
```
Optional. Default: none. If a name is not provided a singleton instance is created. If a name is provided, a named instance is provided.

getInstance(name)

name

The name of the instance you want to retrieve.

Optional. If omitted, returns the singleton instance. If specified, return the named instance.

getUserId()

Return Value: the id of the authenticated user.

query(soql)

Used to execute a SOQL statement

soql: The SOQL statement
Return Value: Promise

Example:

service.query("SELECT id, name FROM contact")
    .then(result => {
        console.log(result.records);
    })
    .catch(error => {
        console.log(error);
    });

create(objectName, valueObject)

Used to create a record for a Salesforce object

objectName. Required.
valueObject. Required.
Return Value: Promise. When the promise is resolved, an object with the following fields is provided:
- errors: an array of errors (if any)
- id: the record id of the record that was created
- success: true or false

Example:

service.create('contact', {FirstName: "Lisa", LastName: "Jones"})
    .then(response => {
        console.log(response);
    })
    .catch(error => {
        console.log(error);
    });

update(objectName, valueObject)

Used to update a record

objectName. Required.
valueObject. Required. The object must include and Id (or id) field to identify the record to update.
Return Value: Promise

Example:

service.update('contact', {Id: "0031a000001x7DOAAY", FirstName: "Emma", LastName: "Wong"})
    .then() => {
        console.log("Update successful");
    })
    .catch(error => {
        console.log(error);
    });

del(objectName, recordId)

Used to delete a record

objectName. Required.
recordId. Required.
Return Value: Promise

Example:

service.del('contact', "0031a000001x7DOAAY",
    .then() => {
        console.log("Delete successful");
    })
    .catch(error => {
        console.log(error);
    });

upsert(objectName, externalIdField, externalId, data)

Used to upsert a record

Example:

service.upsert('contact', 'My_Contact_Id__c', '101', {FirstName: "Emma", LastName: "Wong"})
    .then() => {
        console.log("Upsert successful");
    })
    .catch(error => {
        console.log(error);
    });

retrieve(objectName, recordId, fields)

Used to retrieve a single record

objectName. Required.
recordId. Required.
fields. Optional. Array of fields to retrieve. If omitted, all available fields are retrieved.
Return Value: Promise

Example:

service.retrieve('contact', id)
    .then(contact => {
        console.log(contact);
    })
    .catch(error => {
        console.log(error);
    });

apexrest(urlMapping)

Used to invoke a custom REST service endpoint implemented by your own Apex class.

urlMapping. Required. Value of the urlMapping annotation in your Apex class.
Return Value: Promise

Example:

force.apexrest("contacts")
    .then(result => {
        console.log(result)
    })
    .catch(error => {
        console.log(error);
    });

request(obj)

The core method to invoke a REST services. Other functions (query, create, update, del, upsert, apexrest) are just convenience functions invoking request() behind the scenes. You can use request() directly to invoke other REST services that are not directly exposed through a convenience function.

Example:

force.request({path: "/services/data-service"})
    .then(result => {
        console.log(result)
    })
    .catch(error => {
        console.log(error);
    });

Parameters:

path

The path of the service to invoke
method

The HTTP method to execute: GET, POST, PUT, DELETE, PATCH

Default: GET
contentType

The request content type.
params

An object that will be turned into a query string appended to the request URL
data

An object representing data to be sent as the body of the request.

chatter(obj)

A convenience function to use the Chatter API

Example:

force.chatter({path: "/users/me"},
    function(result) {
        console.log(result)
    ),
    function(error) {
        console.log(error);
    });

Parameters:

path

The path of the Chatter API service to invoke
method

The HTTP method to execute: GET, POST, PUT, DELETE, PATCH

Default: GET
contentType

The request content type.
params

An object that will be turned into a query string appended to the request URL
data

An object representing data to be sent as the body of the request.

versions()

Lists summary information about each Salesforce.com version currently available, including the version, label, and a link to each version's root.

resources()

Lists available resources for the client's API version, including resource name and URI.

describeGlobal()

Lists the available objects and their metadata for your organization's data.

metadata(objectName)

Describes the individual metadata for the specified object.

objectName Object name; e.g. "Account"

describe(objectName)

Completely describes the individual metadata at all levels for the specified object.

objectName: object name; e.g. "Account"

describeLayout(objectName, recordTypeId)

Fetches the layout configuration for a particular sobject name and record type id.

objectName: object name; e.g. "Account"
recordTypeId (optional): Id of the layout's associated record type

queryMore(url)

Queries the next set of records based on pagination. This should be used if performing a query that retrieves more than can be returned in accordance with http://www.salesforce.com/us/developer/docs/api_rest/Content/dome_query.htm

url: the url retrieved from nextRecordsUrl or prevRecordsUrl

search(sosl)

Executes the specified SOSL search.

sosl: a string containing the search to execute - e.g. "FIND {needle}"

Name		Name	Last commit message	Last commit date
Latest commit History 93 Commits
dist		dist
resources		resources
src		src
.babelrc		.babelrc
.gitignore		.gitignore
.npmignore		.npmignore
README.md		README.md
package.json		package.json
webpack.config.js		webpack.config.js
webpack.config.npm.js		webpack.config.npm.js

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ForceJS - JavaScript Toolkit for Salesforce APIs

Built on ECMAScript 6

Compatible with ECMAScript 5

Key Characteristics

Modular

Browser and Cordova Abstraction

ECMAScript 6 Usage

ECMAScript 5 Usage

Quick Start 1: Simple Browser App

Quick Start 2: Hybrid Mobile App with Cordova and the Mobile SDK

API Reference

forcejs/oauth

createInstance(appId, loginURL, oauthCallbackURL)

login()

forcejs/data-service

createInstance(oauth, options, name)

getInstance(name)

getUserId()

query(soql)

create(objectName, valueObject)

update(objectName, valueObject)

del(objectName, recordId)

upsert(objectName, externalIdField, externalId, data)

retrieve(objectName, recordId, fields)

apexrest(urlMapping)

request(obj)

chatter(obj)

versions()

resources()

describeGlobal()

metadata(objectName)

describe(objectName)

describeLayout(objectName, recordTypeId)

queryMore(url)

search(sosl)

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