diff options
Diffstat (limited to 'lib/gitlab/webpack/manifest.rb')
-rw-r--r-- | lib/gitlab/webpack/manifest.rb | 108 |
1 files changed, 103 insertions, 5 deletions
diff --git a/lib/gitlab/webpack/manifest.rb b/lib/gitlab/webpack/manifest.rb index d2c01bbd55e..5873d9c2b99 100644 --- a/lib/gitlab/webpack/manifest.rb +++ b/lib/gitlab/webpack/manifest.rb @@ -1,16 +1,33 @@ # frozen_string_literal: true -require 'webpack/rails/manifest' +require 'net/http' +require 'uri' module Gitlab module Webpack - class Manifest < ::Webpack::Rails::Manifest - # Raised if a supplied asset does not exist in the webpack manifest + class Manifest + # Raised if we can't read our webpack manifest for whatever reason + class ManifestLoadError < StandardError + def initialize(message, orig) + super "#{message}\n\n(original error #{orig.class.name}: #{orig})" + end + end + + # Raised if webpack couldn't build one of your entry points + class WebpackError < StandardError + def initialize(errors) + super "Error in webpack compile, details follow below:\n#{errors.join("\n\n")}" + end + end + + # Raised if a supplied entry point does not exist in the webpack manifest AssetMissingError = Class.new(StandardError) class << self + include Gitlab::Utils::StrongMemoize + def entrypoint_paths(source) - raise ::Webpack::Rails::Manifest::WebpackError, manifest["errors"] unless manifest_bundled? + raise WebpackError, manifest["errors"] unless manifest_bundled? dll_assets = manifest.fetch("dllAssets", []) entrypoint = manifest["entrypoints"][source] @@ -18,12 +35,93 @@ module Gitlab # Can be either a string or an array of strings. # Do not include source maps as they are not javascript [dll_assets, entrypoint["assets"]].flatten.reject { |p| p =~ /.*\.map$/ }.map do |p| - "/#{::Rails.configuration.webpack.public_path}/#{p}" + "/#{Gitlab.config.webpack.public_path}/#{p}" + end + else + raise AssetMissingError, "Can't find asset '#{source}' in webpack manifest" + end + end + + def asset_paths(source) + raise WebpackError, manifest["errors"] unless manifest_bundled? + + paths = manifest["assetsByChunkName"][source] + if paths + # Can be either a string or an array of strings. + # Do not include source maps as they are not javascript + [paths].flatten.reject { |p| p =~ /.*\.map$/ }.map do |p| + "/#{Gitlab.config.webpack.public_path}/#{p}" end else raise AssetMissingError, "Can't find entry point '#{source}' in webpack manifest" end end + + def clear_manifest! + clear_memoization(:manifest) + end + + private + + def manifest_bundled? + !manifest["errors"].any? { |error| error.include? "Module build failed" } + end + + def manifest + if Gitlab.config.webpack.dev_server.enabled + # Don't cache if we're in dev server mode, manifest may change ... + load_manifest + else + # ... otherwise cache at class level, as JSON loading/parsing can be expensive + strong_memoize(:manifest) { load_manifest } + end + end + + def load_manifest + data = if Gitlab.config.webpack.dev_server.enabled + load_dev_server_manifest + else + load_static_manifest + end + + Gitlab::Json.parse(data) + end + + def load_dev_server_manifest + host = Gitlab.config.webpack.dev_server.host + port = Gitlab.config.webpack.dev_server.port + scheme = Gitlab.config.webpack.dev_server.https ? 'https' : 'http' + uri = Addressable::URI.new(scheme: scheme, host: host, port: port, path: dev_server_path) + + # localhost could be blocked via Gitlab::HTTP + response = HTTParty.get(uri.to_s, verify: false) # rubocop:disable Gitlab/HTTParty + + return response.body if response.code == 200 + + raise "HTTP error #{response.code}" + rescue OpenSSL::SSL::SSLError, EOFError => e + ssl_status = Gitlab.config.webpack.dev_server.https ? ' over SSL' : '' + raise ManifestLoadError.new("Could not connect to webpack-dev-server at #{uri}#{ssl_status}.\n\nIs SSL enabled? Check that settings in `gitlab.yml` and webpack-dev-server match.", e) + rescue => e + raise ManifestLoadError.new("Could not load manifest from webpack-dev-server at #{uri}.\n\nIs webpack-dev-server running? Try running `gdk status webpack` or `gdk tail webpack`.", e) + end + + def load_static_manifest + File.read(static_manifest_path) + rescue => e + raise ManifestLoadError.new("Could not load compiled manifest from #{static_manifest_path}.\n\nHave you run `rake gitlab:assets:compile`?", e) + end + + def static_manifest_path + ::Rails.root.join( + Gitlab.config.webpack.output_dir, + Gitlab.config.webpack.manifest_filename + ) + end + + def dev_server_path + "/#{Gitlab.config.webpack.public_path}/#{Gitlab.config.webpack.manifest_filename}" + end end end end |