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ora

Elegant terminal spinner

    8.0.1latest
    GitHub
    npm

Version published
Maintainers
1
Weekly downloads
23,417,054
increased by4.63%

Weekly downloads

Package description

What is ora?

The ora npm package is a terminal spinner for Node.js applications. It provides an easy way to display a spinner in the command line interface (CLI) during the execution of long-running tasks, giving users a visual cue that processing is taking place. It is highly customizable and can be used to enhance the user experience in CLI tools.

What are ora's main functionalities?

Basic spinner

This code sample demonstrates how to create a basic spinner that starts with a message, runs for a specified duration, and then marks the operation as successful.

const ora = require('ora');

const spinner = ora('Loading unicorns').start();

setTimeout(() => {
  spinner.succeed('Unicorns loaded');
}, 1000);

Customize spinner color, text, and spinner

This code sample shows how to customize the spinner's appearance by setting the color, text, and spinner design. It also demonstrates how to update these properties while the spinner is running.

const ora = require('ora');

const spinner = ora({
  text: 'Loading rainbows',
  color: 'magenta',
  spinner: 'moon'
}).start();

setTimeout(() => {
  spinner.color = 'yellow';
  spinner.text = 'Loading sun';
}, 1000);

Control spinner success and failure

This code sample illustrates how to control the spinner to indicate success or failure of an operation. In this case, the spinner is stopped with a failure message.

const ora = require('ora');

const spinner = ora('Loading with great anticipation').start();

setTimeout(() => {
  spinner.fail('Something went wrong');
}, 1000);

Other packages similar to ora

Readme

Source

ora

Elegant terminal spinner



Install

npm install ora

Usage

import ora from 'ora';

const spinner = ora('Loading unicorns').start();

setTimeout(() => {
	spinner.color = 'yellow';
	spinner.text = 'Loading rainbows';
}, 1000);

API

ora(text)

ora(options)

If a string is provided, it is treated as a shortcut for options.text.

options

Type: object

text

Type: string

Text to display after the spinner.

prefixText

Type: string | () => string

Text or a function that returns text to display before the spinner. No prefix text will be displayed if set to an empty string.

suffixText

Type: string | () => string

Text or a function that returns text to display after the spinner text. No suffix text will be displayed if set to an empty string.

spinner

Type: string | object
Default: 'dots'

Name of one of the provided spinners. See example.js in this repo if you want to test out different spinners. On Windows, it will always use the line spinner as the Windows command-line doesn't have proper Unicode support.

Or an object like:

{
	interval: 80, // Optional
	frames: ['-', '+', '-']
}
color

Type: string
Default: 'cyan'
Values: 'black' | 'red' | 'green' | 'yellow' | 'blue' | 'magenta' | 'cyan' | 'white' | 'gray'

The color of the spinner.

hideCursor

Type: boolean
Default: true

Set to false to stop Ora from hiding the cursor.

indent

Type: number
Default: 0

Indent the spinner with the given number of spaces.

interval

Type: number
Default: Provided by the spinner or 100

Interval between each frame.

Spinners provide their own recommended interval, so you don't really need to specify this.

stream

Type: stream.Writable
Default: process.stderr

Stream to write the output.

You could for example set this to process.stdout instead.

isEnabled

Type: boolean

Force enable/disable the spinner. If not specified, the spinner will be enabled if the stream is being run inside a TTY context (not spawned or piped) and/or not in a CI environment.

Note that {isEnabled: false} doesn't mean it won't output anything. It just means it won't output the spinner, colors, and other ansi escape codes. It will still log text.

isSilent

Type: boolean
Default: false

Disable the spinner and all log text. All output is suppressed and isEnabled will be considered false.

discardStdin

Type: boolean
Default: true

Discard stdin input (except Ctrl+C) while running if it's TTY. This prevents the spinner from twitching on input, outputting broken lines on Enter key presses, and prevents buffering of input while the spinner is running.

This has no effect on Windows as there is no good way to implement discarding stdin properly there.

Instance

.text get/set

Change the text after the spinner.

.prefixText get/set

Change the text before the spinner.

No prefix text will be displayed if set to an empty string.

.suffixText get/set

Change the text after the spinner text.

No suffix text will be displayed if set to an empty string.

.color get/set

Change the spinner color.

.spinner get/set

Change the spinner.

.indent get/set

Change the spinner indent.

.isSpinning get

A boolean of whether the instance is currently spinning.

.interval get

The interval between each frame.

The interval is decided by the chosen spinner.

.start(text?)

Start the spinner. Returns the instance. Set the current text if text is provided.

.stop()

Stop and clear the spinner. Returns the instance.

.succeed(text?)

Stop the spinner, change it to a green and persist the current text, or text if provided. Returns the instance. See the GIF below.

.fail(text?)

Stop the spinner, change it to a red and persist the current text, or text if provided. Returns the instance. See the GIF below.

.warn(text?)

Stop the spinner, change it to a yellow and persist the current text, or text if provided. Returns the instance.

.info(text?)

Stop the spinner, change it to a blue and persist the current text, or text if provided. Returns the instance.

.stopAndPersist(options?)

Stop the spinner and change the symbol or text. Returns the instance. See the GIF below.

options

Type: object

symbol

Type: string
Default: ' '

Symbol to replace the spinner with.

text

Type: string
Default: Current 'text'

Text to be persisted after the symbol.

prefixText

Type: string
Default: Current prefixText

Text to be persisted before the symbol. No prefix text will be displayed if set to an empty string.

suffixText

Type: string
Default: Current suffixText

Text to be persisted after the text after the symbol. No suffix text will be displayed if set to an empty string.

.clear()

Clear the spinner. Returns the instance.

.render()

Manually render a new frame. Returns the instance.

.frame()

Get a new frame.

oraPromise(action, text)

oraPromise(action, options)

Starts a spinner for a promise or promise-returning function. The spinner is stopped with .succeed() if the promise fulfills or with .fail() if it rejects. Returns the promise.

import {oraPromise} from 'ora';

await oraPromise(somePromise);
action

Type: Promise | ((spinner: ora.Ora) => Promise)

options

Type: object

All of the options plus the following:

successText

Type: string | ((result: T) => string) | undefined

The new text of the spinner when the promise is resolved.

Keeps the existing text if undefined.

failText

Type: string | ((error: Error) => string) | undefined

The new text of the spinner when the promise is rejected.

Keeps the existing text if undefined.

spinners

Type: Record<string, Spinner>

All provided spinners.

FAQ

How do I change the color of the text?

Use Chalk:

import ora from 'ora';
import chalk from 'chalk';

const spinner = ora(`Loading ${chalk.red('unicorns')}`).start();

Why does the spinner freeze?

JavaScript is single-threaded, so synchronous operations blocks the thread, including the spinner animation. Prefer asynchronous operations whenever possible.

Keywords

FAQs

Last updated on 23 Dec 2023

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Socket installs a GitHub app to automatically flag issues on every pull request and report the health of your dependencies. Find out what is inside your node modules and prevent malicious activity before you update the dependencies.

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