rapido/lib/util/prompt-tryAgain.js

Rápido is an extensible command line interface that enables rapid development for any technology stack. Rápido is written in JavaScript and is built on top of Node.js and npm.

function tryAgain(message, cause, tryAgainCallback) {
    var rapido = require('../').instance;
    var prompt = rapido.prompt;

    if (arguments.length === 2) {
        // No cause
        tryAgainCallback = arguments[1]; 
        cause = null;
    }

    var errMessage;

    if (cause) {
        if (message) {
            errMessage = message + '. Error: ' + (cause.stack || cause);
        }
        else {
            errMessage = 'Error: ' + (cause.stack || cause);
        }
    }
    else {
        errMessage = message;
    }
    
    rapido.log.error('FAILED', errMessage);

    return prompt({
            properties: {
                "tryAgain": {
                    type: 'string', 
                    description: 'Try again with new input?',
                    default: 'Y',
                    required: true
                }
            }
        })
        .then(function(result) {
            var cont = (result['tryAgain'] || '').toUpperCase();

            if (cont === 'Y' || cont === 'YES' ) {
                return tryAgainCallback();
            }

            throw 'Command aborted';
        })
        .fail(function(err) {
            if (err.message === 'canceled') {
                throw 'Command aborted';
            }
            else {
                throw err;
            }
        });
}

tryAgain.errorHandler = function(tryAgainCallback, message) {
    message = message || "An error has occured";
    
    return function(cause) {
        return tryAgain(message, cause, tryAgainCallback);
    };
};

module.exports = tryAgain;