Add FOCUS component

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To focus a specific program

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Library: https://github.com/sentialx/node-window-manager/

❌ No Linux support
❌ Handles macOS menu bar apps as windows: sentialx/node-window-manager#34
❌ External libraries required to ask for permissions: sentialx/node-window-manager#32 (macOS)

Sample code:

const { windowManager, Window } = require("node-window-manager");
const {
    hasScreenCapturePermission,
    hasPromptedForPermission
} = require('mac-screen-capture-permissions');

const fs = require('fs');
const path = require("path");

// Request recording permissions (required for getTitle() on macOS)
if (!(hasScreenCapturePermission())) {
    console.log('no permission')
    // TODO open sys. preferences
    // See this: https://github.com/karaggeorge/mac-screen-capture-permissions
}

// This method has to be called on macOS before changing the window's bounds, otherwise it will throw an error.
// It will prompt an accessibility permission request dialog, if needed.
windowManager.requestAccessibility();


const window = windowManager.getActiveWindow();
// Prints the currently focused window bounds.
// console.log(window.getBounds());
// Sets the active window's bounds.
// window.setBounds({ x: 0, y: 0 });

let lastAppName = null;
windowManager.getWindows().forEach(window => {
    if (window.isWindow() && window.getTitle()) {
        let icon = window.getIcon(64);
        let appName = path.basename(window.path);
        if (icon && lastAppName != appName) {
            fs.writeFile('icons/' + appName.split('/')[0] + '.png', icon, 'binary', (err) => { if (err) throw err });
            console.log(appName);
            lastAppName = appName;

            // Focus the requested window
            if (appName == 'Finder.app') {
                window.bringToTop();
            }
        }
        console.log(' |- ' + window.getTitle())
    }
    // console.log(window)
})

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