vigour-shutter/lib/index.js

Makes a sprite out of an array of urls

'use strict'

var path = require('path')
var fs = require('vigour-fs-promised')
var isEmpty = require('vigour-js/lib/util/is/empty')
var AWS = require('aws-sdk')

module.exports = exports = Shutter

var Config = require('vigour-config')

// TODO Find another solution for this (modifying Error.prototype is dirty)
Object.defineProperty(Error.prototype, 'toJSON', {
  value: function () {
    var alt = {}

    Object.getOwnPropertyNames(this).forEach(function (key) {
      alt[key] = this[key]
    }, this)

    return alt
  },
  configurable: true
})

function Shutter (config) {
  if (!(config instanceof Config)) {
    config = new Config(config)
  }
  this.config = config
}

Shutter.prototype.start = function () {
  this.config.set({
    tmpDir: {
      val: path.join(process.cwd(), 'tmp')
    },
    outDir: {
      val: path.join(process.cwd(), 'out')
    },
    originalsPath: {
      val: path.join(process.cwd(), 'originals')
    }
  })
  if (this.config.clean.val) {
    return this.clean()
  } else {
    return fs.mkdirpAsync(this.config.tmpDir.val)
      .then(() => {
        return fs.mkdirpAsync(this.config.outDir.val)
      })
      .then(() => {
        return fs.mkdirpAsync(this.config.originalsPath.val)
      })
      .then(() => {
        this.config.set({
          separatorPrefix: {
            val: 'next:'
          },
          separatorSuffix: {
            val: ';content:'
          },
          separatorErrorSuffix: {
            val: ':error'
          }
        })
        if (!isEmpty(this.config.manip)) {
          return this.manip()
        } else {
          AWS.config.apiVersions = {
            cloudfront: this.config.aws.cloudfront.apiVersion.val
          }
          AWS.config.update({
            accessKeyId: this.config.aws.accessKeyId.val,
            secretAccessKey: this.config.aws.secretAccessKey.val
          })
          this.config.set({
            properties: {
              AWS: true // prevents AWS from being transformed into an observable
            },
            AWS: AWS,
            IP: {
              val: '127.0.0.1'
            }
          })
          return this.serve()
        }
      })
  }
}

Shutter.prototype.clean = require('./clean')
Shutter.prototype.manip = require('./manip')
Shutter.prototype.serve = require('./serve')