less-plugin-dls/lib/cli/index.js

Less plugin for Baidu Light DLS.

import arg from 'arg'
import { resolve } from 'path'
import check from './commands/check'

const DEFAULT_DIR = '.'
const DEFAULT_EXCLUDE = 'node_modules,test'

export function cli(args) {
  try {
    const options = parseArgs(args)

    switch (options.command) {
      case 'check':
        check(options)
        break
      default:
        break
    }
  } catch (error) {
    console.error(error.message)
  }
}

function parseArgs(rawArgs) {
  const args = arg(
    {
      '--dir': String,
      '--components': String,
      '--exclude': String,
      '--output': String,
      '-d': '--dir',
      '-c': '--components',
      '-x': '--exclude',
      '-o': '--output'
    },
    {
      argv: rawArgs.slice(2)
    }
  )

  const components = args['--components']

  return {
    command: args._[0],
    dir: resolve(args['--dir'] || DEFAULT_DIR),
    exclude: (args['--exclude'] || DEFAULT_EXCLUDE).split(','),
    components: components
      ? components === 'all'
        ? []
        : components.split(',')
      : null,
    output: args['--output'] || false
  }
}