colored text!

lib/squib.rb

@@ -2,12 +2,14 @@ require 'logger'
 require 'cairo'
 require 'pango'
 require 'rsvg2'
+require 'rainbow/refinement'
 require_relative 'squib/version'
 require_relative 'squib/commands/cli'
 require_relative 'squib/deck'
 require_relative 'squib/card'
 
 module Squib
+  using Rainbow # we can colorize strings now!
 
   # Access the internal logger that Squib uses. By default, Squib configure the logger to the WARN level
   # Use this to suppress or increase output levels.
@@ -22,7 +24,7 @@ module Squib
       @logger = Logger.new($stdout)
       @logger.level = Logger::WARN
       @logger.formatter = proc do |severity, datetime, m_progname, msg|
-        "#{datetime} #{severity}: #{msg}\n"
+        "[#{datetime.strftime('%F %H:%M:%S')} #{severity.red}] #{msg}\n"
       end
     end
     @logger

lib/squib/errors_warnings/error_context.rb

@@ -0,0 +1,12 @@
+require 'rainbow/refinement'
+
+module Squib::ErrorContext
+  using Rainbow # we can colorize strings now!
+
+  # When we throw an error, we want to be able to find and report:
+  #  (a) the DSL method we called, e.g. 'background'
+  #  (b) the line number from the user's source file
+  def error_context
+    "in Squib DSL method #{dsl_method.to_s.aliceblue} from #{user_loc}"
+  end
+end

lib/squib/errors_warnings/warn_unexpected_params.rb

@@ -1,11 +1,13 @@
-require_relative 'caller_finder'
+require_relative 'error_context'
+require 'rainbow/refinement'
 
 module Squib::WarnUnexpectedParam
+  using Rainbow # we can colorize strings now!
   def warn_unexpected_params(opts)
     unexpected = opts.keys - accepted_params
     unexpected.each do |key|
       Squib.logger.warn do
-        "Unexpected option '#{key}' #{@error_cxt} ...ignoring"
+        "Unexpected option '#{key.to_s.yellow}' #{@error_cxt} ...ignoring"
       end
     end
   end