yapm/node_modules/package-yaml/plugins/yaml.js

package manager for io.js (npm fork)

var Path = require('path')
var YAML = require('js-yaml')
var yUpdate = require('yaml-update')
var read = require('../utils').read
var write = require('../utils').write
var stat = require('../utils').fs.stat

module.exports.read = function(path, cb) {
  read(Path.join(path, 'package.yaml'), 'utf8', function(err, data) {
    if (err) return cb(err)
    try {
      data = YAML.safeLoad(data)
    } catch(err) {
      return cb(err)
    }
    cb(null, data)
  })
}

module.exports.write = function(path, object, cb) {
  read(Path.join(path, 'package.yaml'), 'utf8', function(err, data) {
    if (err) {
      data = YAML.dump(object)
    } else {
      try {
        data = yUpdate.edit(data, JSON.stringify(object))
      } catch(_) {
        data = YAML.dump(object)
      }
    }

    write(Path.join(path, 'package.yaml'), data, cb)
  })
}

module.exports.stat = function(path, cb) {
  stat(Path.join(path, 'package.yaml'), function(er, stat) {
    if (stat) stat.file = Path.join(path, 'package.yaml')
    cb(er, stat)
  })
}