rx.utils

The Reactive Extensions for JavaScript (RxJS) utilities.

Documentation

• identity
• noop
• 'throwError'

---

identity(x)

#Ⓢ [Ⓣ][1]

A function which returns its value unmodified.

Arguments

1. x (Any): The value to return.

Returns

(Any): The value given as the parameter.

Example

var identity = require('rx.utils').identity;
 
// Returns its value
var x = identity(42);
console.log(x);
// => 42

---

noop

#Ⓢ [Ⓣ][1]

A function which does nothing

Example

var noop = require('rx.utils').noop;
 
// This does nothing!
noop();

---

throwError(err)

#Ⓢ [Ⓣ][1]

Throws the specified error

Arguments

1. err (Any): The error to throw

Example

var throwError = require('rx.utils').throwError;
 
// Returns its value
throwError(new Error('woops'))
// => Error: woops

---

Installation

Using npm:

npm rx-noop

License

Copyright (c) Microsoft All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.