93 lines
3.7 KiB
Ruby
93 lines
3.7 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Webpack
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class Manifest
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# Raised if we can't read our webpack manifest for whatever reason
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class ManifestLoadError < StandardError
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def initialize(message, orig)
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super "#{message}\n\n(original error #{orig.class.name}: #{orig})"
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end
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end
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# Raised if webpack couldn't build one of your entry points
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class WebpackError < StandardError
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def initialize(errors)
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super "Error in webpack compile, details follow below:\n#{errors.join("\n\n")}"
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end
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end
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# Raised if a supplied entry point does not exist in the webpack manifest
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AssetMissingError = Class.new(StandardError)
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class << self
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include Gitlab::Utils::StrongMemoize
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def entrypoint_paths(source)
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raise WebpackError, manifest["errors"] unless manifest_bundled?
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dll_assets = manifest.fetch("dllAssets", [])
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entrypoint = manifest["entrypoints"][source]
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if entrypoint && entrypoint["assets"]
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# Can be either a string or an array of strings.
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# Do not include source maps as they are not javascript
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[dll_assets, entrypoint["assets"]].flatten.reject { |p| p =~ /.*\.map$/ }.map do |p|
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"/#{Gitlab.config.webpack.public_path}/#{p}"
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end
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else
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raise AssetMissingError, "Can't find asset '#{source}' in webpack manifest"
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end
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end
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def asset_paths(source)
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raise WebpackError, manifest["errors"] unless manifest_bundled?
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paths = manifest["assetsByChunkName"][source]
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if paths
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# Can be either a string or an array of strings.
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# Do not include source maps as they are not javascript
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[paths].flatten.reject { |p| p =~ /.*\.map$/ }.map do |p|
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"/#{Gitlab.config.webpack.public_path}/#{p}"
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end
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else
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raise AssetMissingError, "Can't find entry point '#{source}' in webpack manifest"
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end
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end
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def clear_manifest!
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clear_memoization(:manifest)
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end
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private
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def manifest_bundled?
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!manifest["errors"].any? { |error| error.include? "Module build failed" }
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end
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def manifest
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if Gitlab.config.webpack.dev_server.enabled
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# Only cache at request level if we're in dev server mode, manifest may change ...
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Gitlab::SafeRequestStore.fetch('manifest.json') { load_manifest }
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else
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# ... otherwise cache at class level, as JSON loading/parsing can be expensive
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strong_memoize(:manifest) { load_manifest }
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end
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end
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def load_manifest
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data = Gitlab::Webpack::FileLoader.load(Gitlab.config.webpack.manifest_filename)
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Gitlab::Json.parse(data)
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rescue Gitlab::Webpack::FileLoader::StaticLoadError => e
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raise ManifestLoadError.new("Could not load compiled manifest from #{e.uri}.\n\nHave you run `rake gitlab:assets:compile`?", e.original_error)
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rescue Gitlab::Webpack::FileLoader::DevServerSSLError => e
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ssl_status = Gitlab.config.webpack.dev_server.https ? ' over SSL' : ''
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raise ManifestLoadError.new("Could not connect to webpack-dev-server at #{e.uri}#{ssl_status}.\n\nIs SSL enabled? Check that settings in `gitlab.yml` and webpack-dev-server match.", e.original_error)
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rescue Gitlab::Webpack::FileLoader::DevServerLoadError => e
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raise ManifestLoadError.new("Could not load manifest from webpack-dev-server at #{e.uri}.\n\nIs webpack-dev-server running? Try running `gdk status webpack` or `gdk tail webpack`.", e.original_error)
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end
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end
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end
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end
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end
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