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index.coffee
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index.coffee
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'use strict'
_ = require 'lodash'
path = require 'path'
pp = require 'preprocess'
loaderUtils = require 'loader-utils'
module.exports = (source) ->
@cacheable?()
# parse file extension
[..., extension] = path.extname(@resourcePath or '').split('.')
# prepare preprocess options
options =
#fileNotFoundSilentFail: false
#srcEol: os.EOL
srcDir: @context
type: extension
# parse and init context from query
query = loaderUtils.getOptions(this) || {}
# get possible user-specific preprocess options from query
if _.isObject query.ppOptions
options = _.merge options, query.ppOptions
delete query.ppOptions
# add .cjsx alias
options.type = 'coffee' if /cjsx/i.test options.type
# prepare context variables
context = _.merge {}, process.env, query
context.NODE_ENV = context.NODE_ENV or 'development'
# pp
processed = pp.preprocess source, context, options
@callback null, processed