foy

by zaaack

zaaack /foy

A simple, light-weight and modern task runner for general purpose.

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Foy

Build Status npm npm install size

A simple, light-weight and modern task runner for general purpose.

Contents

Features

  • Promise-based tasks and built-in utilities.
  • shelljs like commands
  • Easy to learn, stop spending hours for build tools.
  • Small install size
    • foy: install size
    • gulp: install size
    • grunt: install size

GIF

Install

yarn add -D foy # or npm i -D foy

Or Install globally with

yarn add -g foy # or npm i -g foy

Write a Foyfile

You need to add a Foyfile.js(or Foyfile.ts with ts-node installed) in your project root.

Also, you can simply generate a Foyfile.js via:

foy --init

Then it will put a simple

Foyfile.js
in current folder:
// Foyfile.js
const { task } = require('foy')

task('build', async ctx => { await ctx.exec('tsc') })

You can also generate a

Foyfile.ts
via
foy --init ts

Then we can run

foy build
to execute the
build
task.
foy build

You can also add some options and description to a single task:

import { task, desc, option, strict } from 'foy'

desc('Build ts files with tsc') option('-w, --watch', 'watch file changes') strict() // This will throw an error if you passed some options that doesn't defined via option() task('build', async ctx => { await ctx.exec(tsc ${ctx.options.watch ? '-w' : ''}) })

foy build -w

Warning! If you want to set flags like strict to all tasks, please use

setGlobalOptions
, e.g.
import { setGlobalOptions } from 'foy'

setGlobalOptions({ strict: true }) // all tasks' options will be strict.

option('-aa') // strict via default task('dev', async ctx => {

}) option('-bb') // strict via default task('build', async ctx => {

})

Using with built-in promised-based API

import { fs, task } from 'foy'

task('some task', async ctx => { await fs.rmrf('/some/dir/or/file') // Remove directory or file await fs.copy('/src', '/dist') // Copy folder or file let json = await fs.readJson('./xx.json') await ctx .env('NODE_ENV', 'production') .cd('./src') .exec('some command') // Execute an command let { stdout } = await ctx.exec('ls', { stdio: 'pipe' }) // Get the stdout, default is empty because it's redirected to current process via stdio: 'inherit'. })

Using with other packages

import { task, logger } from 'foy'
import * as axios from 'axios'

task('build', async ctx => { let res = await axios.get('https://your.server/data.json') logger.info(res.data) })

Using dependencies

import { task } from 'foy'
import * as axios from 'axios'

task('test', async ctx => { await ctx.exec('mocha') })

task('build', async ctx => { let res = await axios.get('https://your.server/data.json') console.log(res.data) await ctx.exec('build my awesome project') }) task( 'publish:patch', ['test', 'build'], // Run test and build before publish async ctx => { await ctx.exec('npm version patch') await ctx.exec('npm publish') } )

Dependencies are running serially by default, but you can specific them running concurrently.

e.g. Passing running options to dependencies.

task(
  'publish:patch',
  [{
    name: 'test',
    async: true, // run test parallelly
    force: true, // force rerun test whether it is executed before or not,
  }, {
    name: 'build',
    async: true,
    force: true,
  },],
  async ctx => {
    await ctx.exec('npm version patch')
    await ctx.exec('npm publish')
  }
)

/* Sugar version */ task( 'publish:patch', [ 'test'.async().force(), 'build'.async().force() ], async ctx => { await ctx.exec('npm version patch') await ctx.exec('npm publish') } )

/* Priority for async tasks

Default is 0, bigger is formmer, then we will run build before test. If you have multi async dependencies with same priority, they will be executed parallel. */ task( 'publish:patch', [ 'test'.async(0).force(), 'build'.async(1).force() ], async ctx => { await ctx.exec('npm version patch') await ctx.exec('npm publish') } )

You can also pass options to dependences:

task('task1', async ctx => {
  console.log(ctx.options) // "{ forceRebuild: true, lazyOptions: 1 }"
  console.log(ctx.global.options) // options from command line "{ a: 1 }"
})


task('task2', [{ name: 'task1', options: { forceRebuild: true, }, // Some options that rely on ctx or asynchronization, // it will be merged to options. resolveOptions: async ctx => { return { lazyOptions: 1 } } }])

// foy task2 -a 1

Using namespaces

If you have lots of tasks, naming might be a problem, what foy do is to making life easier, but more anxious. So we provide a

namespacify
function to generate task names with namespaces.
import { namespacify, task, namespace } from 'foy'

// namespacify(names: object, ns = '', sep = ':') const ns = namespacify({ client: { build: '', start: '', watch: '', }, server: { build: '', start: '', watch: '', }, start: '', })

namespace(ns.client, ns => { task(ns.build, async ctx => { /* ... / }) // client:build task(ns.start, async ctx => { / ... / }) // client:start task(ns.watch, async ctx => { / ... */ }) // client:watch })

namespace(ns.server, ns => { task(ns.build, async ctx => { /* ... / }) // server:build task(ns.start, async ctx => { / ... / }) // server:start task(ns.watch, async ctx => { / ... */ }) // server:watch })

task(ns.start, [ns.client.start.async(), ns.server.start.async()]) // start

// foy start // foy client:build

Useful utils

fs

Foy wrap fs module with promises, so we can use it in async/await smoothly. Foy also implements some useful functions for build scripts which missing in nodejs built-in modules.

import { fs } from 'foy'


task('build', async ctx => { let f = await fs.readFileSync('./assets/someFile')

// copy file or directory await fs.copy('./fromPath', './toPath')

// watch a directory await fs.watchDir('./src', (event, filename) => { logger.info(event, filename) })

// mkdir directory with parent directories await fs.mkdirp('./some/directory/with/parents/not/exists')

// write file will auto create missing parent directories await fs.outputFile('./some/file/with/parents/not/exists', 'file data')

// write json file will auto create missing parent directories await fs.outputJson('./some/file/with/parents/not/exists', {text: 'json data'}) let file = await fs.readJson('./some/jsonFile')

// iterate directory tree await fs.iter('./src', async (path, stat) => { if (stat.isDirectory()) { logger.info('directory:', path) // skip scan node_modules if (path.endsWith('node_modules')) { return true } } else if (stat.isFile()) { logger.warn('file:', path) } }) })

logger

Light weight built-in logger

import { logger } from 'foy'

task('build', async ctx => {

logger.debug('debug', { aa: 1}) logger.info('info') logger.warn('warn') logger.error('error')

})

exec command

A simple wrapper for sindresorhus' lovely module execa

import { logger } from 'foy'

task('build', async ctx => { await ctx.exec('tsc')

// run multiple commands synchronously await ctx.exec([ 'tsc --outDir ./lib', 'tsc --module es6 --outDir ./es', ])

// run multiple commands concurrently await Promise.all([ ctx.exec('eslint'), ctx.exec('tsc'), ctx.exec('typedoc'), ]) })

Using in CI servers

If you use Foy in CI servers, you might won't want the loading because most CI servers will log the stdout and stderr to files, the loading will be logged as frames. Luckily, Foy has already considered this use case, you can simple disable the loading behavior like this:

import { task, setGlobalOptions } from 'foy'

setGlobalOptions({ loading: false }) // disable loading animations

task('test', async cyx => { /* ... / }) / $ foy test DependencyGraph for task [test]: ─ test

Task: test ... */

Using lifecycle hooks

You can use before/after/onerror to do something in lifecycles.

import { before, after, onerror } from 'foy'
before(() => { // do something before all tasks tree start
  // ...
})
after(() => { // do something after all tasks tree finished
  // ...
})
onerror((err) => { // do something when error happens
  // ...
})

run task in task

task('task1', async ctx => { /* ... */ })
task('task2', async ctx => {
  // do things before task1

// run task1 manually, so we can // do things before or after it await ctx.run('task1')

// do things after task1 })

Watch and build

task('build', async ctx => { /* build your project */ })
task('run', async ctx => { /* start your project */ })

let p = null task('watch', async ctx => { ctx.fs.watchDir('./src', async (evt, file) => { await ctx.run('build') p && !p.killed && p.kill() p = await ctx.run('run') }) })

Using with custom compiler

# Write Foyfile in ts, enabled by default
foy -r ts-node/register -c ./some/Foyfile.ts build

Write Foyfile in coffee

foy -r coffeescript/register -c ./some/Foyfile.coffee build

API documentation

https://zaaack.github.io/foy/api

License

MIT

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