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Contents
# typed: strict
# frozen_string_literal: true
module RubyLsp
module Requests
# 
#
# The [completion](https://microsoft.github.io/language-server-protocol/specification#textDocument_completion)
# request looks up Ruby files in the $LOAD_PATH to suggest path completion inside `require` statements.
#
# # Example
#
# ```ruby
# require "ruby_lsp/requests" # --> completion: suggests `base_request`, `code_actions`, ...
# ```
class PathCompletion < Listener
extend T::Sig
extend T::Generic
ResponseType = type_member { { fixed: T::Array[Interface::CompletionItem] } }
sig { override.returns(ResponseType) }
attr_reader :response
sig { params(emitter: EventEmitter, message_queue: Thread::Queue).void }
def initialize(emitter, message_queue)
super
@response = T.let([], ResponseType)
@tree = T.let(Support::PrefixTree.new(collect_load_path_files), Support::PrefixTree)
emitter.register(self, :on_tstring_content)
end
sig { params(node: SyntaxTree::TStringContent).void }
def on_tstring_content(node)
@tree.search(node.value).sort.each do |path|
@response << build_completion(path, node)
end
end
private
sig { returns(T::Array[String]) }
def collect_load_path_files
$LOAD_PATH.flat_map do |p|
Dir.glob("**/*.rb", base: p)
end.map! do |result|
result.delete_suffix!(".rb")
end
end
sig { params(label: String, node: SyntaxTree::TStringContent).returns(Interface::CompletionItem) }
def build_completion(label, node)
Interface::CompletionItem.new(
label: label,
text_edit: Interface::TextEdit.new(
range: range_from_syntax_tree_node(node),
new_text: label,
),
kind: Constant::CompletionItemKind::REFERENCE,
)
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems