spectaql/vendor/grunt-embed/tasks/embed.coffee

A powerful library for autogenerating static GraphQL API documentation

###
  grunt-embed
  https://github.com/callumlocke/grunt-embed

  Copyright 2013 Callum Locke
  Licensed under the MIT license.
###

ResourceEmbedder = require '../../resource-embedder'
path = require 'path'

module.exports = (grunt) ->

  grunt.registerMultiTask 'embed', 'Converts external scripts and stylesheets into embedded ones.', ->
    done = @async()

    @files.forEach (file) =>
      srcFile = file.orig.src
      if typeof srcFile isnt 'string'
        if srcFile.length > 1
          grunt.log.warn 'Multiple source files supplied; only the first will be used.'
        srcFile = srcFile[0]

      if not grunt.file.exists srcFile
        grunt.log.warn "Source file \"#{path.resolve(srcFile)}\" not found."

      else
        embedder = new ResourceEmbedder srcFile, @options()
        embedder.get (output, warnings) ->
          grunt.file.write file.dest, output
          if warnings?
            grunt.log.warn warning for warning in warnings
          grunt.log.ok "File \"#{file.dest}\" created."
          done()