includable / cli

'use strict'

const fs = require('fs')

const path = require('path')

const chalk = require('chalk')

const jsonfile = require('jsonfile')

const output = require('../output')

const util = require('../util')

const Module = require('../containers/Module')

const dir = util.getPluginsDirectory()

const pkg = path.join(dir, 'package.json')

const Plugins = {

  directory: dir,

  plugins: getDirectories(),

  packageFile: pkg

}

function getDirectories () {

  try {

    var deps = jsonfile.readFileSync(pkg)

    if (!deps || !deps.dependencies || typeof deps.dependencies !== 'object') {

      return []

    }

    return Object.keys(deps.dependencies).filter(function (file) {

      return fs.existsSync(path.join(dir, 'node_modules', file, 'package.json'))

    })

  } catch (e) {

    // Do nothing

  }

  return []

}

Plugins.applyPlugins = function (program) {

  // Patch 'program'

  program.util = util

  program.request = util.request

  program.output = output

  program.module = Module

  program.plugins = Plugins

  // Read directories

  for (var x in Plugins.plugins) {

    if (!Plugins.plugins.hasOwnProperty(x)) {

      continue

    }

    require(path.join(dir, 'node_modules', Plugins.plugins[x]))(program)

  }

}

Plugins.listPlugins = function () {

  for (var x in Plugins.plugins) {

    if (!Plugins.plugins.hasOwnProperty(x)) {

      continue

    }

    Plugins.describePlugin(Plugins.plugins[x])

  }

}

Plugins.describePlugin = function (pluginName) {

  var info = require(path.join(dir, 'node_modules', pluginName, 'package.json'))

  var title = chalk.underline(info.name) + ' (' + info.version + ')'

  if ('description' in info && info.description && info.description.length) {

    title += '\n  ' + info.description

  }

  output.log(title)

}

module.exports = Plugins