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Markdown driven task runner.

Table of Contents


You can install Maid globally:

# For npm users 
npm i -g maid
# For Yarn users 
yarn global add maid

Or if you want to ensure that your teammates are using the same version as you, it's recommended to install Maid locally:

# For npm users 
npm i -D maid
# For Yarn users 
yarn add maid --dev

PRO TIP: you can use npx or yarn command to run any locally installed executable that is inside node_modules/.bin/, e.g. use yarn maid to run the locally installed maid command.

What is a maidfile?

A maidfile is where you define tasks, in Markdown!


## lint
It uses ESLint to ensure code quality.
eslint --fix
## build
Build our main app
<!-- Following line is a maid command for running task -->
Run task `build:demo` after this
# note that you can directly call binaries inside node_modules/.bin 
# just like how `npm scripts` works 
babel src -d lib
## build:demo
You can use JavaScript to write to task script too!
const webpack = require('webpack')
// Async task should return a Promise
module.exports = () =>
  new Promise((resolve, reject) => {
    const compiler = webpack(require('./webpack.config')), stats) => {
      if (err) return reject(err)

Each task is defined using h2 header and its child contents, the value of h2 header will be used as task name, its following paragraphs (optional) will be used as task description, and following code block (optional) will be used as task script.

Currently the code block languages are sh bash js javascript and more!.

Now run maid help to display the help for this maidfile:

❯ maid help
  lint        It uses ESLint to ensure code quality.
  build       Build our main app
  build:demo  You can use JavaScript to write to task script too!
❯ maid help "build*"
  build       Build our main app
  build:demo  You can use JavaScript to write to task script too!

To run a task, you can directly run maid <task_name>

❯ maid build
[13:46:38] Starting 'build'...
🎉  Successfully compiled 3 files with Babel.
[13:46:38] Finished 'build' after 363 ms...
[13:46:38] Starting 'build:demo'...
webpack compiled in 734ms.
[13:46:38] Finished 'build:demo' after 734 ms...
# to get minimal logs 
❯ maid build --quiet
🎉  Successfully compiled 3 files with Babel.
webpack compiled in 734ms.

Run tasks before/after a task

You can run tasks before or after a task:

## build
Run task `deploy` after this
webpack --config config/webpack.config.js
## deploy
gh-pages -d dist

Expressions that start with Run(s)? task(s)? are treated specially. In this case if you run maid build it will also run the deploy task after build has finished.

The syntax is simple: Runs? tasks? <taskNames> (before|after) this (in parallel)? where each task name is surrounded by a pair of backticks: `.

By default a task will run before the current task. So Run task `build` would run build before the task it was described in. The presence of after anywhere in the setence (after Run task) will cause it to be ran after. Commands run synchronously by default. The presence of in parallel in the scentence will cause it to be run in parallel.


  • Run task `build`.
  • Run task `build` after this.
  • Run tasks `clean`, `build`, and `lint`.
  • Run tasks `build:app` `start:server` before this.
  • Run tasks `build:server` `build:client` before this in parallel.

Task hooks

Like npm scripts, when you run a command called build, when it's finished we will also run postbuild task.

Hook syntax:

  • pre<taskName>: Run before a specific task.
  • post<taskName>: Run after a specific task.
  • afterAll: Run after all tasks.
  • beforeAll: Run before all tasks.


Code block languages


Read command line arguments

The CLI arguments are passed to executed script, so you can access it like this:

## log
echo $1

Then run maid log nice and it will print nice in the console.


The JS script will also be evaluated.

## log
Asynchronous task

For asynchonous tasks, you can export a function which returns Promise:

## build
module.exports = async () => {
  const files = await readFiles('./')
  await buildFiles(files)


## log

Use a custom maidfile

By default, Maid would use or (case-insensitive) in current working directory, when you're using you need to manually specify the section of the markdown you wanna use as Maid tasks like below:

## My Project
## How to use
Let me explain..
## Development
<!-- maid-tasks -->
### test
# some test scripts... 

Unlike a which uses all h2 headers as tasks, in only h3 headers under the specified h2 header will be used as tasks. You can add a <!-- maid-tasks --> comment right below the desired h2 header.

Alternatively, if you're not using, you can also use --section h2_header and --path flags to customize it.


Maid's own development scripts are powered by itself, run maid help or node bin/cli help in this project to get more.


Run ESLint to ensure code quality and code style (via Prettier).

yarn eslint . "${@:1}"

If you want to automatically fix lint errors, try adding --fix plugin to the command you run, e.g. maid lint --fix


Use AVA to run unit tests.

yarn ava "${@:1}"

Similar to the lint task, you can append any flags for ava command directly when you run the maid command.


Generate a table of contents section in the file.

yarn doctoc


  1. Fork it!
  2. Create your feature branch: git checkout -b my-new-feature
  3. Commit your changes: git commit -am 'Add some feature'
  4. Push to the branch: git push origin my-new-feature
  5. Submit a pull request :D


maid © egoist, Released under the MIT License.
Authored and maintained by egoist with help from contributors (list). · GitHub @egoist · Twitter @_egoistlily




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