Get Alexa Skill Skill ID from command line suitable for both Ask Cli > 2.x and Ask Cli 1.x originally by Justin Jeffress @SleepyDeveloper

get-skill-id.js

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

const CONFIG_FILE = '.ask/ask-states.json';
const CONFIG_FILE_V1 = '.ask/config';

// Break the path into an array of folders and filter out
// the empty entry for the leading '/'
const folders = process.env.PWD.split('/').filter(Boolean);

// findAskConfigFile is a recursive function that searches
// from the Parent Working Directory to one folder below root for
// the .ask/config file or .ask/ask-states.json (v2)
// For example, if PWD is /Work/amazon/skills/coffee_shop/lambda
// it will look for .ask/config or .ask/ask-states.json in the following folders:

// /Work/amazon/skills/coffee_shop/lambda
// /Work/amazon/skills/coffee_shop
// /Work/amazon/skills
// /Work/amazon
// /Work

const findAskConfigFile = function (folders) {

    // The ask cli downloads skills into a folder and
    // writes the .ask/config or ..ask/ask-states.json (v2) there. There should
    // never be one at your root.
    if (folders.length <= 0) throw 'No config file found!';

    const directory = folders.join('/');
    const askConfigFile = '/' + path.join(directory, CONFIG_FILE);
    const askConfigFileV1 = '/' + path.join(directory, CONFIG_FILE_V1);

    if (fs.existsSync(askConfigFile)) {
        return askConfigFile;
    } else {
      if (fs.existsSync(askConfigFileV1)) {
        return askConfigFileV1;
      }
    }


    // if .ask/config or .ask/ask-states.json (v2) doesn't exist in the current directory
    // look in the one above by removing the last item from
    // folders and call findAskConfigFile again.
    folders.pop();
    return findAskConfigFile(folders);
};

const configFile = findAskConfigFile(folders);

if (configFile) {
    fs.readFile(configFile, 'utf8', function(err, data) {
        if (err) throw err;
        // prase the JSON
        obj = JSON.parse(data);
        // print the skill id if v2
        if (obj.profiles) {
          console.log(obj.profiles.default.skillId);
        } else {
          console.log(obj.deploy_settings.default.skill_id);
        }
    });   
}