pyr/src/program/operations/delete/index.js

A package for creating a script to store and run your most commonly used CLI commands

#!/usr/bin/env node

const noop = require('lodash/noop');

const {
    GlobalConfig
} = require('src/config');
const {
    print,
    Message,
    ERROR,
    MESSAGE
} = require('src/messages');
const {
    prompts,
    inquirerPrompts
} = require('src/shims/inquirer');
const {
    safeExit
} = require('src/utility');
const Menu = require('src/menu');
const Operation = require('src/program/operations/operation');

const EXPECTED_ARGUMENTS_LENGTH = 1;

/**
 * Prompt the user whether or not the delete the current script
 */
const shouldDeleteScript = scriptName => {
    const subscriber = inquirerPrompts.subscribe(({
        answer
    }) => {
        if (answer === false) {
            print(MESSAGE, 'scriptNotDeleted', scriptName);
            subscriber.unsubscribe();
            safeExit();
        } else {
            GlobalConfig.removeScript(scriptName);
            GlobalConfig.save();
            print(MESSAGE, 'deletedScript', scriptName);
            subscriber.unsubscribe();
            safeExit();
        }
    }, noop, noop);

    prompts.next({
        type: 'confirm',
        name: 'shouldDelete',
        message: Message('shouldDelete', scriptName),
        default: false
    });
}

const handler = args => {
    GlobalConfig.load();
    if (Object.keys(GlobalConfig.getScripts()).length === 0) {
        print(ERROR, 'noSavedScripts');
        safeExit();
    } else if (args.length === 0) {
        const menu = new Menu({
            operationName: operation.name,
            operationRun: operation.run
        });
        menu.run();
    } else {
        const scriptName = args[0];
        if (GlobalConfig.getScript(scriptName)) {
            shouldDeleteScript(scriptName);
        } else {
            print(ERROR, 'scriptDoesNotExist', scriptName);
            safeExit();
        }
    }
};

const operation = {
    name: 'delete',
    flag: 'd',
    description: 'delete a previously saved script',
    args: [{
        name: 'script name',
        required: false
    }],
    whitelist: [],
    run: handler
};

module.exports = new Operation(operation);