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discourse/lib/theme_javascript_compiler.rb
David Taylor daad6ef1f7
FIX: Include rollup file hash in plugin entrypoint filenames (#40853)
The content and hash of rollup chunks may vary when various
internals/dependencies change. Previously, we didn't include the rollup
hash on entrypoint filenames - we just relied on the
Discourse-controlled input hash. We did include the rollup hash for
chunks. That meant we could end up in a situation where the chunk
filenames have changed, but cached entrypoints still reference the old
chunk filenames.

Also adds a guard to ensure we don't double-upload `.gz` assets to S3.
2026-06-15 09:24:28 +01:00

76 lines
1.6 KiB
Ruby
Vendored

# frozen_string_literal: true
class ThemeJavascriptCompiler
class CompileError < StandardError
end
@@terser_disabled = false
def self.disable_terser!
raise "Tests only" if !Rails.env.test?
@@terser_disabled = true
end
def self.enable_terser!
raise "Tests only" if !Rails.env.test?
@@terser_disabled = false
end
def initialize(theme_id, theme_name, minify: true)
@theme_id = theme_id
@input_tree = {}
@theme_name = theme_name
@minify = minify
end
def compile!
if !@compiled
@compiled = true
@input_tree =
@input_tree.to_h do |k, v|
if k.end_with?(".js.es6")
[k.sub(/\.js\.es6$/, ".js"), AssetProcessor.append_es6_deprecation(v, k)]
else
[k, v]
end
end
@input_tree.freeze
output =
AssetProcessor.new.rollup(
@input_tree,
{
themeId: @theme_id,
minify: @minify && !@@terser_disabled,
entrypoints: {
main: {
modules: @input_tree.keys,
},
},
},
)
main = output.values.find { |chunk| chunk["name"] == "main" }
@content = main["code"]
@source_map = main["map"]
end
[@content, @source_map]
rescue AssetProcessor::TranspileError => e
message = "[THEME #{@theme_id} '#{@theme_name}'] Compile error: #{e.message}"
@content = "throw new Error(#{message.to_json});\n"
[@content, @source_map]
end
def content
compile!
@content
end
def source_map
compile!
@source_map
end
def append_tree(tree)
@input_tree.merge!(tree)
end
end