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:red_circle: Functional task runner for Node.js

start

:warning: Project has been transferred to NexTools metarepo

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logo
  • functional – in all senses
  • fast – parallelism and concurrency
  • shareable – presets as published packages
  • 4th line to align with logo on the right

TOC

  • Example
  • How to
  • Recipes
  • Packages
    • Core
    • Plugins
      • FS
      • Build and bundle
      • Tests
      • Lint, check and fix
      • CI and publish
    • Tasks
  • Roadmap
  • Copyright

Example

.
├── packages/
│   ├── foo/
│   │   ├── src/
│   │   │   └── index.ts
│   │   ├── test/
│   │   │   └── index.ts
│   │   └── package.json
│   └── bar/
│       ├── src/
│       │   └── index.ts
│       ├── test/
│       │   └── index.ts
│       └── package.json
├── package.json
└── tasks.ts
$ yarn add --dev --ignore-workspace-root-check \
  @babel/core \
  @babel/register \
  @babel/preset-env \
  @babel/preset-typescript \
  @start/cli \
  @start/reporter-verbose \
  @start/plugin-sequence \
  @start/plugin-parallel \
  @start/plugin-xargs \
  @start/plugin-find \
  @start/plugin-find-git-staged \
  @start/plugin-remove \
  @start/plugin-read \
  @start/plugin-rename \
  @start/plugin-write \
  @start/plugin-lib-babel \
  @start/plugin-lib-typescript-generate \
  @start/plugin-lib-eslint \
  @start/plugin-lib-istanbul \
  @start/plugin-lib-tape \
  @start/plugin-lib-codecov
// package.json

{
  "private": true,
  "description": "Start example",
  "workspaces": [
    "packages/*"
  ],
  "devDependencies": {},
  "start": {
    // tasks file, default to `./tasks`
    "file": "./tasks"
    "require": [
      [
        "@babel/register",
        {
          "extensions": [
            ".ts",
            ".js"
          ]
        }
      ]
    ],
    "reporter": "@start/reporter-verbose"
  },
  "babel": {
    "presets": [
      [
        "@babel/preset-env",
        {
          "targets": {
            "node": "current"
          }
        }
      ],
      // Babel 7
      "@babel/preset-typescript"
    ]
  }
}
// tasks.ts

// write tasks file once, publish it and then reuse or even extend
// in all projects using `start.preset` option in `package.json`,
// something like `my-start-preset` package with everything included

import sequence from '@start/plugin-sequence'
import parallel from '@start/plugin-parallel'
import xargs from '@start/plugin-xargs'
import find from '@start/plugin-find'
import findGitStaged from '@start/plugin-find-git-staged'
import remove from '@start/plugin-remove'
import read from '@start/plugin-read'
import rename from '@start/plugin-rename'
import write from '@start/plugin-write'
import babel from '@start/plugin-lib-babel'
import typescriptGenerate from '@start/plugin-lib-typescript-generate'
import eslint from '@start/plugin-lib-eslint'
import {
  istanbulInstrument,
  istanbulReport,
  istanbulThresholds
} from '@start/plugin-lib-istanbul'
import tape from '@start/plugin-lib-tape'
import codecov from '@start/plugin-lib-codecov'

const babelConfig = {
  babelrc: false,
  presets: [
    [
      '@babel/preset-env',
      {
        targets: {
          node: 6
        },
        modules: false
      }
    ],
    '@babel/preset-typescript'
  ]
}

// each named export is a "task"
export const build = (packageName: string) =>
  sequence(
    find(`packages/${packageName}/src/**/*.ts`),
    read,
    babel(babelConfig),
    rename((file) => file.replace(/\.ts$/, '.js')),
    write(`packages/${packageName}/build/`)
  )

export const dts = (packageName: string) =>
  sequence(
    find(`packages/${packageName}/src/index.ts`),
    typescriptGenerate(`packages/${packageName}/build/`)
  )

export const pack = (packageName: string) =>
  sequence(
    find(`packages/${packageName}/build/`),
    remove,
    // child-processes
    parallel(['build', 'dts'])(packageName)
  )

// child processes
export const packs = xargs('pack')

export const dev = (packageName: string) =>
  watch(`packages/${packageName}/**/*.ts`)(
    build(packageName)
  )

export const lint = () =>
  sequence(
    findGitStaged(['packages/*/{src,test}/**/*.ts']),
    read,
    eslint()
  )

export const lintAll = () =>
  sequence(
    find(['packages/*/{src,test}/**/*.ts']),
    read,
    eslint()
  )

export const test = () =>
  sequence(
    find('coverage/'),
    remove,
    find('packages/*/src/**/*.ts'),
    istanbulInstrument({ esModules: true, extensions: ['.ts'] }),
    find('packages/*/test/**/*.ts'),
    tape(),
    istanbulReport(['lcovonly', 'html', 'text-summary']),
    istanbulThresholds({ functions: 100 })
  )

export const ci = () =>
  sequence(
    // nested task
    lintAll(),
    // nested task
    test(),
    find('coverage/lcov.info'),
    read,
    codecov
  )
$ yarn start
# or
$ npx start

One of the following task names is required:
* build
* dts
* pack
* packs
* dev
* lint
* lintAll
* test
* ci
$ yarn start build foo
$ yarn start dts foo
$ yarn start pack foo
$ yarn start packs foo bar
$ yarn start dev bar
$ yarn start lint
$ yarn start lintAll
$ yarn start test
$ yarn start ci

How to

  • Use CLI and pass in options
  • Create a plugin
  • Create a reporter
  • Create a preset

Recipes

  • Node.js TypeScript library preset – @deepsweet/start-preset-node-ts-lib
  • Node.js TypeScript libraries monorepo – Start project builds itself from sources using sources, see tasks/index.ts
  • React / React Native (higher-order) components monorepo – hocs
  • React app – to be added

Packages

Core

  • ⬛️ cli – CLI entry point
  • ⚙️ plugin – plugin creator
  • 📃 reporter-verbose – verbose reporter

Plugins

Misc

  • plugin-sequence – run plugins in sequence
  • 🔀 plugin-parallel – run tasks as parallel child processes with same agruments
  • 🔂 plugin-xargs – run task as parallel child process for each argument
  • 🐣 plugin-spawn – spawn new child process
  • 👔 plugin-env – set environment variable using process.env
  • 🔌 plugin-input-files – inject arguments as files into Start flow files
  • 🔌 plugin-output-files – to be added

FS

  • 🔍 plugin-find – find files using glob patterns
  • 🔍 plugin-find-git-staged – find Git staged files and filter them using glob patterns
  • 📖 plugin-read – read files content
  • 🔠 plugin-rename – rename files
  • plugin-remove – remove files or directories
  • 👯 plugin-copy – copy files to relative destination using streams and keeping folders structure
  • ✏️ plugin-write – write files with source maps to relative destination keeping folders structure
  • ✏️ plugin-overwrite – overwrite files
  • 👀 plugin-watch – watch for new or changed files matched by glob patterns
  • 🗜 plugin-unpack – unpack .tar/.tar.bz2/.tar.gz/.zip archives

Build and bundle

  • 🏭 plugin-lib-babel – transform files using Babel
  • 🏭 plugin-lib-esm-loader – copy a predefined ESM loader file to a directory
  • 🏭 plugin-lib-webpack – bundle files using Webpack
  • 🏭 plugin-lib-webpack-dev-server – run Webpack development server
  • 🏭 plugin-lib-rollup – bundle files using Rollup
  • 🏭 plugin-lib-typescript-generate – generate .d.ts files using TypeScript
  • 🏭 plugin-lib-flow-generate – generate .js.flow files using Flow
  • 🏭 plugin-lib-postcss – transform files using PostCSS
  • 🏭 plugin-lib-less – to be migrated
  • 🏭 plugin-lib-clean-css – to be migrated
  • 🏭 plugin-lib-uglify – to be migrated

Tests

  • plugin-lib-jest – run tests using Jest
  • plugin-lib-tape – run tests using Tape
  • plugin-lib-karma – run tests using Karma
  • 💯 plugin-lib-instanbul – collect, report and check code coverage using Istanbul
  • ✅ plugin-lib-ava – to be migrated
  • ✅ plugin-lib-mocha – to be migrated
  • plugin-assert – Node.js assert()

Lint, check and fix

  • 🚷 plugin-lib-eslint – lint and/or fix code using ESLint
  • 🚷 plugin-lib-prettier-eslint – fix code(style) using Prettier + ESLint
  • 🚷 plugin-lib-typescript-check – check types using TypeScript
  • 🚷 plugin-lib-flow-check – check types using Flow

CI and publish

  • 💯 plugin-lib-codecov – send code coverage report to codecov.io
  • 🔢 plugin-lib-npm-version – bump package version
  • 📦 plugin-lib-npm-publish – publish package to NPM
  • 💯 plugin-lib-coveralls – to be migrated

Tasks

Coming soon.

Roadmap

  • [x] stabilize and publish 0.1.0 of everything
  • [x] documentation
  • [ ] more tests
  • [ ] migrate the rest of important plugins

Copyright

All the packages in this repository are released under the terms of the MIT License.

The font used in logo is supernova fat.