Sha256: 8b64cea6f165b8d75fbf5a6db37e33953428a57f316a7226672ca42295e8e171
Contents?: true
Size: 1.9 KB
Versions: 6
Compression:
Stored size: 1.9 KB
Contents
require 'faraday'
require 'faraday-http-cache'
module OpenStax::Utilities
module Assets
# Reads and parses the assets manifest
class Manifest
attr_reader :version
def initialize
@assets = HashWithIndifferentAccess.new
url = OpenStax::Utilities::Assets.url_for('assets.json')
begin
response = self.class.client.get url
if response.success?
contents = JSON.parse response.body
@version = contents['version']
if contents['entrypoints'].blank?
Rails.logger.error { "failed to parse manifest from #{url}" }
else
contents['entrypoints'].each do |entry_key, chunks|
@assets[entry_key] = chunks['js'].map do |chunk|
OpenStax::Utilities::Assets.url_for(chunk)
end
end
end
else
Rails.logger.error { "status #{response.status} when reading remote url: #{url}" }
end
rescue Faraday::ConnectionFailed, Addressable::URI::InvalidURIError, Errno::ECONNREFUSED
end
Rails.logger.info do
"running in development mode with assets served by webpack at #{
OpenStax::Utilities::Assets.url
}"
end if @assets.blank?
end
def [](asset)
return [ OpenStax::Utilities::Assets.url_for("#{asset}.js") ] if @assets.blank?
@assets[asset] || []
end
protected
# Faraday is probably thread-safe but makes no guarantees
# https://github.com/lostisland/faraday/issues/370
# We could potentially reuse the client object
# However, bugs happen: https://github.com/lostisland/faraday/issues/1068
def self.client
Faraday.new do |builder|
builder.use :http_cache, store: Rails.cache
builder.adapter Faraday.default_adapter
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems