Class: Classic::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/classic/manager.rb

Overview

Store and Proces styles.

Constant Summary collapse

BASE_STYLE_KEY = 
"base"
DEFAULT_STYLE_KEY = 
"default"
SELF_STYLE_KEY = 
"<self"
ALIASES_KEY = 
"@aliases"
STYLE_EXP_REGX =

Matches: btn(varient.default,size.default) (varient.default,size.default)

/([\w.]*)\(([\w.,\s]*)\)/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config:) ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/classic/manager.rb', line 16

def initialize(config:)
  @config = config
  @classes_merge_handler = config.classes_merge_handler
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/classic/manager.rb', line 14

def config
  @config
end

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/classic/manager.rb', line 14

def data
  @data
end

#entries ⇒ Object (readonly)

Returns the value of attribute entries.



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# File 'lib/classic/manager.rb', line 14

def entries
  @entries
end

#merged_css_entries ⇒ Object (readonly)

Returns the value of attribute merged_css_entries.



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# File 'lib/classic/manager.rb', line 14

def merged_css_entries
  @merged_css_entries
end

Instance Method Details

#build_aliases(aliases, prefix: nil) ⇒ Object 



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# File 'lib/classic/manager.rb', line 167

def build_aliases(aliases, prefix: nil)
  aliases&.each do |name, style|
    if prefix
      @entries["#{prefix}.#{name}"] = lookup("#{prefix}.#{style}")
    else
      @entries[name] = lookup(style)
    end
  end
end

#cls(name, classes = nil) ⇒ Object 



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# File 'lib/classic/manager.rb', line 52

def cls(name, classes = nil)
  return (@entries[name] ||= lookup(name)) unless classes

  @merged_css_entries[name][classes] ||= @classes_merge_handler.call([lookup(name), classes])
end

#collect_styles(style_fn) ⇒ Object 



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# File 'lib/classic/manager.rb', line 114

def collect_styles(style_fn)
  component = nil

  style_fn[:component].split(".").each do |c|
    c = c.strip
    component = component ? component[c] : @data[c]
  end

  # If component is direct css class. i.e "flex flex-col space-y-1.5 p-6"
  return style_not_found_value(style_fn[:name]) unless component

  # In case of i.e "card.header" component is end result css classes.
  return component if component.is_a?(String)

  if style_fn[:options].empty?
    # Handle "label" -> will lookup "label.<self"
    return component[SELF_STYLE_KEY] if component.key?(SELF_STYLE_KEY)

    # Handle "btn.size" -> will lookup "btn.size.default"
    return component[DEFAULT_STYLE_KEY] if component.key?(DEFAULT_STYLE_KEY)
  end

  styles = []
  # If component is a Hash and has 'base' entry and has style options
  # i.e
  # btn:
  #   base: rounded-md text-sm font-medium...
  styles << component[BASE_STYLE_KEY] if component.key?(BASE_STYLE_KEY)

  style_fn[:options].each do |o|
    option = nil

    o.split(".").each do |c|
      c = c.strip
      option = option ? option[c] : component[c]
    end

    if option
      styles << option
    else
      style_not_found_value(style_fn[:name])
    end
  end

  styles
end

#files ⇒ Object 



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# File 'lib/classic/manager.rb', line 21

def files
  config.files
end

#load ⇒ Object 



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# File 'lib/classic/manager.rb', line 25

def load
  @data = {}
  @entries = {}
  @merged_css_entries = Hash.new({})

  files.each do |file|
    extname = File.extname(file)
    file_data = (extname == "json") ? JSON.load_file(file) : YAML.load_file(file)

    next unless file_data.is_a?(Hash)

    aliases = file_data.delete(ALIASES_KEY) if file_data.key?(ALIASES_KEY)

    if config.file_prefix
      prefix = File.basename(file).gsub(extname, "")
      @data[prefix] = file_data
      build_aliases(aliases, prefix: prefix)
    else
      @data.merge!(file_data) do |key, old_value, new_value|
        raise Classic::Error, "dublicate value found for #{key} - values #{old_value}, #{new_value}"
      end

      build_aliases(aliases)
    end
  end
end

#lookup(name) ⇒ Object 



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# File 'lib/classic/manager.rb', line 58

def lookup(name)
  component = @data[name] || name

  component_path = if component.is_a?(String)
    name
  elsif component.is_a?(Hash)
    # default value is style expression(i.e varient.default,size.default)) then add componet name
    # (i.e btn(varient.default,size.default)))
    # else add default to component name(i.e btn) with "." i.e(btn.default)
    if component.key?(DEFAULT_STYLE_KEY)
      if component[DEFAULT_STYLE_KEY].match?(STYLE_EXP_REGX)
        "#{name}#{component[DEFAULT_STYLE_KEY]}"
      else
        "#{name}.#{DEFAULT_STYLE_KEY}"
      end
    elsif component.key?(SELF_STYLE_KEY)
      "#{name}.#{SELF_STYLE_KEY}"
    end
  end

  if component_path
    style_fn = parse(component_path)
    classes = collect_styles(style_fn)

    return style_not_found_value(name) if classes.nil? || classes.empty?

    classes = classes.join(" ") if classes.is_a?(Array)
    classes.strip.tr("\n", " ")
  else
    style_not_found_value(name)
  end
end

#parse(style) ⇒ Object 



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# File 'lib/classic/manager.rb', line 96

def parse(style)
  matches = style.scan(STYLE_EXP_REGX)

  if matches.any?
    component, options = matches.first

    if component.empty?
      component = options
      options = ""
    end
  else
    component = style
    options = ""
  end

  { component: component, options: options.split(",").map(&:strip), name: style }
end

#style_not_found_value(name) ⇒ Object

Raises:



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# File 'lib/classic/manager.rb', line 161

def style_not_found_value(name)
  raise NotFoundError, "'#{name}' style not found." if config.raise_error_on_not_found

  "#{name}-StyleNotFound"
end