module Rubocop::Lsp::Cli

Public Class Methods

start(_argv) click to toggle source
# File lib/rubocop/lsp/cli.rb, line 12
def self.start(_argv)
  handler = Handler.new

  handler.config do
    on("initialize") do
      store.clear

      respond_with_capabilities
    end

    on("shutdown") do
      store.clear

      nil
    end

    on("textDocument/didChange") do |request|
      uri = request.dig(:params, :textDocument, :uri)
      text = request.dig(:params, :contentChanges, 0, :text)

      collector = collect_diagnostics(uri: uri, text: text)
      send_diagnostics(collector)

      nil
    end

    on("textDocument/didOpen") do |request|
      uri = request.dig(:params, :textDocument, :uri)
      text = request.dig(:params, :textDocument, :text)

      collector = collect_diagnostics(uri: uri, text: text)
      send_diagnostics(collector)

      nil
    end

    on("textDocument/didClose") do |request|
      uri = request.dig(:params, :textDocument, :uri)

      clear_diagnostics(uri: uri)

      nil
    end

    on("textDocument/formatting") do |request|
      uri = request.dig(:params, :textDocument, :uri)

      collector = collect_diagnostics(uri: uri, text: store.text_for(uri))
      send_text_edits(collector)
    end

    on("textDocument/codeAction") do |request|
      uri = request.dig(:params, :textDocument, :uri)
      range = request.dig(:params, :range)
      start_line = range.dig(:start, :line)
      end_line = range.dig(:end, :line)

      line_range = Range.new(start_line, end_line)

      send_code_actions(uri, line_range)
    end
  end

  handler.start
end