particle-cli/src/cmd/base.js

Simple Node commandline application for working with your Particle devices and using the Particle Cloud

const { errors: { usageError } } = require('../app/command-processor');
const UI = require('../lib/ui');

const DEVICE_ID_PTN = /^[0-9a-f]{24}$/i;


module.exports = class CLICommandBase {
	constructor({
		stdin = process.stdin,
		stdout = process.stdout,
		stderr = process.stderr,
		quiet = false
	} = {}) {
		this.stdin = stdin;
		this.stdout = stdout;
		this.stderr = stderr;
		this.quiet = !!quiet;
		this.ui = new UI({ stdin, stdout, stderr, quiet });
	}

	isDeviceId(x){
		return DEVICE_ID_PTN.test(x);
	}

	async showUsageError(msg){
		throw usageError(msg);
	}

	async showProductDeviceNameUsageError(device){
		await this.showUsageError(
			`\`device\` must be an id when \`--product\` flag is set - received: ${device}`
		);
	}
};