Class: Backpack::Commands::Sync

Inherits:
Object
  • Object
show all
Includes:
Thor::Actions
Defined in:
lib/backpack/commands/sync.rb

Overview

Sync command for importing design tokens from Figma to CSS files

This command looks for files in the current working directory:

  • figma/Backpack.json (Figma design tokens export)

  • lib/backpack/stylesheets/tokens/*.css (CSS token files to update)

Usage: backpack sync

Instance Method Summary collapse

Constructor Details

#initialize(shell = Thor::Base.shell.new) ⇒ Sync

Returns a new instance of Sync.



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# File 'lib/backpack/commands/sync.rb', line 19

def initialize(shell = Thor::Base.shell.new)
  @shell = shell
end

Instance Method Details

#sync ⇒ Object 



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# File 'lib/backpack/commands/sync.rb', line 23

def sync
  @shell.say "Syncing design tokens from Figma...", :green

  layout_json = File.read(layout_tokens_file)
  layout = JSON.parse(layout_json, symbolize_names: true)

  raise "Wrong name" if layout[:name] != NAME

  modes = layout[:modes]
  tokens = extract_tokens(layout[:variables], modes)

  # Read all CSS files
  tokens_css_files = Dir.glob("#{tokens_folder}/*.css")

  rewritten_lines_count = 0
  remaining_tokens = tokens.keys

  tokens_css_files.each do |file|
    lines_rewritten = process_css_file(file, tokens, remaining_tokens)
    rewritten_lines_count += lines_rewritten

    if lines_rewritten > 0
      file_name = File.basename(file)
      @shell.say "#{file_name}: #{lines_rewritten} lines rewritten", :yellow
    end
  end

  if remaining_tokens.any?
    @shell.say ""
    @shell.say "#{remaining_tokens.size} tokens have not been found:", :red
    remaining_tokens.each do |token|
      @shell.say token
    end
    @shell.say "Please check that these tokens are correctly named."
  else
    @shell.say "All tokens synced successfully!", :green
  end
end