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@bb-cli/base

Modules

cli : object

CLI parser based on commander with some additions and overrides.

error : object

Create the new instance of the CommandError object, ensuring that it properly extends from the Error class.

log : object

Shared logging system based on the default npmlog system.

sh : object

Portable (Windows/Linux/OS X) implementation of Unix shell commands based on shelljs

ui : object

User Interface for the terminal (Prompting / Styles / Spinners / Progress)

utils : object

Set of utilities.

Functions

fileExists(file) ⇒ boolean

cli : object

CLI parser based on commander with some additions and overrides.

Link: https://github.com/tj/commander.js/
Example
Create a main command with 3 sub-commands:

import { cli } from '@bb-cli/base';

cli.version('0.0.1')
  .command('install [...packages]', 'install one or more packages')
  .command('search [query]', 'search with optional query')
  .command('list', 'list packages installed', {isDefault: true})
  .parse(process.argv);

Create the install sub-command:

import { cli } from '@bb-cli/base';

cli
  .description('Install package from registry')
  .arguments('[...packages]', 'install one or more packages')
  .option('-f, --force [force]', 'force installation ', false)
  .option('-r, --registry [registry]', 'registry host ')
  .alias('i')
  .man( path.resolve(__dirname, '../../man/install.md'))
  .parse(process.argv);

let packages = cli.args; // get the packages as variadic arguments
let force = cli.force  // get the force option

error : object

Create the new instance of the CommandError object, ensuring that it properly extends from the Error class.

Example
Setting up the log header:

import { error } from '@bb-cli/base';

const out = sh.exec('ls', { silent: true });
if (out.code !== 0) {
  throw error({
    type: 'Shell.Exec',
    code: out.code,
    message: out.stderr.trim(),
  });
}

log : object

Shared logging system based on the default npmlog system.

Link: https://github.com/npm/npmlog
Example
Setting up the log header:

import { log } from '@bb-cli/base';
import { name as packageName } from './package.json';
log.heading = `[${packageName}]`;

Basic commands:

log.silly(prefix, message, ...)
log.verbose(prefix, message, ...)
log.info(prefix, message, ...)
log.http(prefix, message, ...)
log.warn(prefix, message, ...)
log.error(prefix, message, ...)

Setting up the global env LOG_LEVEL:

LOG_LEVEL=verbose bb-my-command

sh : object

Portable (Windows/Linux/OS X) implementation of Unix shell commands based on shelljs

Link: https://github.com/shelljs/shelljs
Example
Basic Example

import { sh } from '@bb-cli/base';
sh.ls(`./`)
// or
sh.exec(`ls ./`, function(exitCode, stdOut, stdErr) {
    log.verbose('cmd exitcode:', exitCode);
    log.verbose('cmd output:', stdOut);
    log.verbose('cmd stderr:', stdErr);
});

ui : object

User Interface for the terminal (Prompting / Styles / Spinners / Progress)

• ui : object
  • .prompt ⇒ Promise
  • .colors : object
    • .defaultTheme : enum

ui.prompt ⇒ Promise

Create a self contained inquirer module via inquirer.createPromptModule method.

Kind: static constant of ui
Access: public
Link: https://github.com/sboudrias/Inquirer.js

Param	Type	Description
questions	array | object	A collection of inquirer questions

Example
Basic example:

import { ui } from '@bb-cli/base';
const questions = [{
  type: 'input',
  name: 'name',
  message: 'Who are you?',
  default: 'Guest',
  validate: value => true,
  filter: value => value,
}];

ui.prompt(questions).then( answers => {
    // do something with the answers here.
})

ui.colors : object

Colors styles console based on colors

Kind: static constant of ui
Access: public
Link: https://github.com/Marak/colors.js
Example
Basic example:

import { ui } from '@bb-cli/base';
let logInfo = ui.colors.info('Some info style output');
log.verbose(`Show ${logInfo}`);

Custom heading style:

let logHead = ui.colors.heading('Some bold white heading');
log.info(logHead);

colors.defaultTheme : enum

Colors default styles

Kind: static enum of colors
Properties

Name	Type	Default
silly	object	rainbow
input	object	grey
verbose	object	cyan
prompt	object	grey
info	object	["green","underline"]
data	object	grey
help	object	cyan
warn	object	yellow
debug	object	blue
error	object	red
heading	object	["white","bold"]

utils : object

Set of utilities.

• utils : object
  • .md2html(mdStr) ⇒ string
  • .md2term(mdStr) ⇒ string

utils.md2html(mdStr) ⇒ string

Converts markdown to html output

Kind: static method of utils
Returns: string - html string

Param	Type	Description
mdStr	string	Markdown content string

Example
Basic Example

const htmlStr = utils.md2html(fs.readFileSync('some-markdown-file.md', 'utf8').toString());

utils.md2term(mdStr) ⇒ string

Kind: static method of utils
Todo

• [ ] Make it work with colors instead of ansi-styles

Param	Type	Description
mdStr	string	markdown content string

Example
Basic Example

const termMdOut = utils.md2term(fs.readFileSync('some-markdown-file.md', 'utf8').toString());

fileExists(file) ⇒ boolean

Kind: global function

Param	Type
file	string