f/omelette

yarn add omelette
# or
npm install omelette

import omelette from "https://deno.land/x/omelette/omelette.ts";

omelette`github ${['pull', 'push']} ${['origin', 'upstream']} ${['master', 'develop']}`.init()

import * as omelette from 'omelette';

const firstArgument = ({ reply }) => {
  reply([ 'beautiful', 'cruel', 'far' ])
}

const planet = ({ reply }) => {
  reply([ 'world', 'mars', 'pluto' ])
}

omelette`hello|hi ${firstArgument} ${planet}`.init()

import * as omelette from 'omelette';

// Write your CLI template.
const completion = omelette(`githubber|gh <action> <user> <repo>`);

// Bind events for every template part.
completion.on('action', ({ reply }) => {
  reply([ 'clone', 'update', 'push' ])
})

completion.on('user', ({ reply }) => {
  reply(fs.readdirSync('/Users/'))
})

completion.on('repo', ({ before, reply }) => {
  reply([
    `http://github.com/${before}/helloworld`,
    `http://github.com/${before}/blabla`
  ])
})

// Initialize the omelette.
completion.init()

// If you want to have a setup feature, you can use `omeletteInstance.setupShellInitFile()` function.
if (~process.argv.indexOf('--setup')) {
  completion.setupShellInitFile()
}

// Similarly, if you want to tear down autocompletion, use `omeletteInstance.cleanupShellInitFile()`
if (~process.argv.indexOf('--cleanup')) {
  completion.cleanupShellInitFile()
}

// Rest is yours
console.log("Your program's default workflow.")
console.log(process.argv)

import * as omelette from 'omelette';

// Just pass a template literal to use super easy API.
omelette`hello ${[ 'cruel', 'nice' ]} ${[ 'world', 'mars' ]}`.init()

import * as omelette from 'omelette'

// Write your CLI template.
omelette`
  githubber|gh

  ${[ 'clone', 'update', 'push' ]}
  ${() => fs.readdirSync('/Users/')}
  ${({ before }) => [
    `http://github.com/${before}/helloworld`,
    `http://github.com/${before}/blabla`,
  ]}
`.init()

import * as omelette from 'omelette';

omelette`
  githubber|gh
      ${['pull', 'push', 'star'] /* Direct command list */}
      ${require('some/other/commands') /* Import from another file */}
      ${getFromRemote('http://api.example.com/commands') /* Remote call at the beginning */}
      ${({ reply }) => fetch('http://api.example.com/lazy-commands').then(reply) /* Fetch when argument <tab>bed */}
      ${() => fs.readdirSync("/Users/") /* Access filesystem via Node */}
      ${({ before }) => [ /* Use parameters like `before`, `line`, `fragment` or `reply` */
        `${before}/helloworld`,
        `${before}/blabla`
      ]}
  `.init()

// No extra configuration required.

console.log("Your program's default workflow.")
console.log(process.argv)

complete.onAsync('user', async ({ reply }) => {
  reply(new Promise((resolve) => {
    fs.readdir('/Users/', (err, users) => {
      resolve(users)
    })
  }))
})

// ...

complete.onAsync('user', async ({ reply }) => {
  reply(new Promise((resolve) => {
    fs.readdir('/Users/', (err, users) => {
      resolve(users)
    })
  }))
})

// Instead of running directly, you need to set an handler to run your main workflow.
complete.next(()=> {
  console.log("Your program's default workflow.")
  console.log(process.argv)
})

// .init must be called after defining .next
complete.init()
// ...

import promisify from 'util';

complete.onAsync('user', async ({ reply }) => {
  reply(await promisify(fs.readdir)('/Users'))
})

omelette('hello').tree({
  cruel: ['world', 'moon'],
  beautiful: ['mars', 'pluto']
}).init();

try {
  // Pick shell init file automatically
  complete.setupShellInitFile()

  // Or use a manually defined init file
  complete.setupShellInitFile('~/.my_bash_profile')

} catch (err) {
  // setupShellInitFile() throws if the used shell is not supported
}

complete.cleanupShellInitFile()

echo '. <(myprogram --completion)' >> ~/.zshrc

myprogram --completion >> ~/.config/hello.completion.sh
echo 'source ~/.config/hello.completion.sh' >> ~/.bash_profile

echo 'myprogram --completion-fish | source' >> ~/.config/fish/config.fish

complete.on('complete', (fragment, { reply }) => reply(["hello", "world"]));

complete.on('$1', ({ reply }) => reply(["hello", "world"]))

omelette('hello').tree({
  how: {
    much: {
      is: {
        this: ['car'],
        that: ['house'],
      }
    },
    are: ['you'],
    many: ['cars', 'houses'],
  },
  where: {
    are: {
      you: ['from'],
      the: ['houses', 'cars'],
    },
    is: {
      // You can also add some logic with defining functions:
      your() {
        return ['house', 'car'];
      },
    }
  },
}).init()

omelette('hello').tree(require('./autocompletion-tree.js')).init();

omelette('githubber|gh <module> <command> <suboption>');

git clone https://github.com/f/omelette
cd omelette/example
alias githubber="./githubber" # The app should be global, completion will search it on global level.
./githubber --setup --debug # --setup is not provided by omelette, you should proxy it.
# (reload bash, or source ~/.bash_profile or ~/.config/fish/config.fish)
omelette-debug-githubber # See Debugging section
githubber<tab>
ghb<tab> # short alias
gh<tab> # short alias

$ githubber<tab>
clone update push

$ gh<tab>
clone update push

$ ./githubber<tab>
clone update push

$ ./githubber cl<tab>
$ ./githubber clone<tab>
Guest fka

$ ./githubber clone fka<tab>
$ ./githubber clone fka http://github.com/fka/<tab>
http://github.com/fka/helloworld
http://github.com/fka/blabla

import omelette from "https://raw.githubusercontent.com/f/omelette/master/deno/omelette.ts";

const complete = omelette("hello <action>");

complete.on("action", function ({ reply }) {
  reply(["world", "mars", "jupiter"]);
});

complete.init();

// your CLI program

deno install hello.js
hello --completion | source # bash and zsh installation
hello --completion-fish | source # fish shell installation

hello <tab><tab>