Cloning filtering from particle list command to the particle usb list…

… command. Test are required.

src/cli/usb.js

@@ -12,6 +12,7 @@ module.exports = ({ commandProcessor, root }) => {
 	const usb = commandProcessor.createCategory(root, 'usb', 'Control USB devices');
 
 	commandProcessor.createCommand(usb, 'list', 'List the devices connected to the host computer', {
+		params: '[filter]',
 		options: {
 			'exclude-dfu': {
 				description: 'Do not list devices which are in DFU mode',

src/cmd/usb.js

@@ -1,5 +1,5 @@
 const { spin } = require('../app/ui');
-const { asyncMapSeries } = require('../lib/utilities');
+const { asyncMapSeries, knownPlatforms } = require('../lib/utilities');
 const { getDevice, formatDeviceInfo } = require('./device-util');
 const { getUsbDevices, openUsbDevice, openUsbDeviceById } = require('./usb-util');
 const { systemSupportsUdev, udevRulesInstalled, installUdevRules } = require('./udev');
@@ -16,6 +16,30 @@ module.exports = class UsbCommand {
 	list(args) {
 		const idsOnly = args['ids-only'];
 		const excludeDfu = args['exclude-dfu'];
+		const filter = args.params.filter;
+
+		let filterFunc = null;
+		if (filter){
+			const platforms = knownPlatforms();
+			if (filter === 'online') {
+				filterFunc = (d) => {
+					return d.connected;
+				};
+			} else if (filter === 'offline') {
+				filterFunc = (d) => {
+					return !d.connected;
+				};
+			} else if (Object.keys(platforms).indexOf(filter) >= 0) {
+				filterFunc = (d) => {
+					return d.platform_id === platforms[filter];
+				};
+			} else {
+				filterFunc = (d) => {
+					return d.id === filter || d.name === filter;
+				};
+			}
+		}
+
 		// Enumerate USB devices
 		return getUsbDevices({ dfuMode: !excludeDfu })
 			.then(usbDevices => {
@@ -59,7 +83,9 @@ module.exports = class UsbCommand {
 							return {
 								id: usbDevice.id,
 								name: (device && device.name) ? device.name : '',
-								type: `${type.join(', ')}`
+								type: `${type.join(', ')}`,
+								platform_id: device.platform_id,
+								connected: device.connected
 							};
 						})
 						.finally(() => usbDevice.close());
@@ -73,6 +99,10 @@ module.exports = class UsbCommand {
 						console.log('No devices found.');
 					} else {
 						devices = devices.sort((a, b) => a.name.localeCompare(b.name)); // Sort devices by name
+
+						if (filter) {
+							devices = devices.filter(filterFunc);
+						}
 						devices.forEach(device => {
 							console.log(formatDeviceInfo(device));
 						});