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@eason0115/active-win

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  • License MIT

Get metadata about the active window (title, id, bounds, owner, URL, etc). Works on macOS, Linux, Windows.

Package Exports

  • @eason0115/active-win
  • @eason0115/active-win/index.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@eason0115/active-win) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

active-win

Get metadata about the active window (title, id, bounds, owner, URL, etc)

Works on macOS, Linux, Windows.

Users on macOS 10.13 or earlier needs to download the Swift runtime support libraries.

Install

$ npm install active-win

Usage

const activeWin = require('active-win');

(async () => {
    console.log(await activeWin());
    /*
    {
        title: 'Unicorns - Google Search',
        id: 5762,
        bounds: {
            x: 0,
            y: 0,
            height: 900,
            width: 1440
        },
        owner: {
            name: 'Google Chrome',
            processId: 310,
            bundleId: 'com.google.Chrome',
            path: '/Applications/Google Chrome.app'
        },
        url: 'https://sindresorhus.com/unicorn',
        memoryUsage: 11015432
    }
    */
})();

API

activeWin()

Returns a Promise<Object> with the result, or Promise<undefined> if there is no active window or if the information is not available.

activeWin.sync()

Returns an Object with the result, or undefined if there is no active window.

Result

  • platform (string) - 'macos' | 'linux' | 'windows'
  • title (string) - Window title
  • id (number) - Window identifier
  • bounds (Object) - Window position and size
    • x (number)
    • y (number)
    • width (number)
    • height (number)
  • owner (Object) - App that owns the window
    • name (string) - Name of the app
    • processId (number) - Process identifier
    • bundleId (string) - Bundle identifier (macOS only)
    • path (string) - Path to the app
  • url (string?) - URL of the active browser tab if the active window is Safari, Chrome, Edge, or Brave (macOS only)
  • memoryUsage (number) - Memory usage by the window owner process

OS support

It works on macOS, Linux, and Windows 7+.

Note: On Windows, there isn't a clear notion of a "Window ID". Instead it returns the memory address of the window "handle" in the id property. That "handle" is unique per window, so it can be used to identify them. Read more….

Maintainers