discourse/lib/discourse_plugin_registry.rb

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#
# A class that handles interaction between a plugin and the Discourse App.
#
class DiscoursePluginRegistry
class << self
attr_writer :javascripts
attr_writer :service_workers
attr_writer :admin_javascripts
attr_writer :stylesheets
attr_writer :mobile_stylesheets
attr_writer :desktop_stylesheets
attr_writer :sass_variables
attr_writer :handlebars
attr_writer :serialized_current_user_fields
attr_writer :seed_data
attr_writer :locales
attr_accessor :custom_html
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def plugins
@plugins ||= []
end
# Default accessor values
def javascripts
@javascripts ||= Set.new
end
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def service_workers
@service_workers ||= Set.new
end
def asset_globs
@asset_globs ||= Set.new
end
def admin_javascripts
@admin_javascripts ||= Set.new
end
def stylesheets
@stylesheets ||= Set.new
end
def mobile_stylesheets
@mobile_stylesheets ||= Set.new
end
def desktop_stylesheets
@desktop_stylesheets ||= Set.new
end
def sass_variables
@sass_variables ||= Set.new
end
def handlebars
@handlebars ||= Set.new
end
def serialized_current_user_fields
@serialized_current_user_fields ||= Set.new
end
def seed_data
@seed_data ||= HashWithIndifferentAccess.new({})
end
def locales
@locales ||= HashWithIndifferentAccess.new({})
end
def html_builders
@html_builders ||= {}
end
def seed_path_builders
@seed_path_builders ||= Set.new
end
def vendored_pretty_text
@vendored_pretty_text ||= Set.new
end
def vendored_core_pretty_text
@vendored_core_pretty_text ||= Set.new
end
end
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def register_js(filename, options = {})
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# If we have a server side option, add that too.
self.class.javascripts << filename
end
def self.register_service_worker(filename, options = {})
self.service_workers << filename
end
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def register_css(filename)
self.class.stylesheets << filename
end
def self.register_locale(locale, options = {})
self.locales[locale] = options
end
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def register_archetype(name, options = {})
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Archetype.register(name, options)
end
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def self.register_glob(root, extension, options = nil)
self.asset_globs << [root, extension, options || {}]
end
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def self.each_globbed_asset(each_options = nil)
each_options ||= {}
self.asset_globs.each do |g|
root, ext, options = *g
if options[:admin]
next unless each_options[:admin]
else
next if each_options[:admin]
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end
Dir.glob("#{root}/**/*") do |f|
yield f, ext
end
end
end
JS_REGEX = /\.js$|\.js\.erb$|\.js\.es6$/
HANDLEBARS_REGEX = /\.hbs$|\.js\.handlebars$/
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def self.register_asset(asset, opts = nil)
if asset =~ JS_REGEX
if opts == :admin
self.admin_javascripts << asset
elsif opts == :vendored_pretty_text
self.vendored_pretty_text << asset
elsif opts == :vendored_core_pretty_text
self.vendored_core_pretty_text << asset
else
self.javascripts << asset
end
elsif asset =~ /\.css$|\.scss$/
if opts == :mobile
self.mobile_stylesheets << asset
elsif opts == :desktop
self.desktop_stylesheets << asset
elsif opts == :variables
self.sass_variables << asset
else
self.stylesheets << asset
end
elsif asset =~ HANDLEBARS_REGEX
self.handlebars << asset
end
end
def self.register_seed_data(key, value)
self.seed_data[key] = value
end
def self.register_seed_path_builder(&block)
seed_path_builders << block
end
def self.register_html_builder(name, &block)
html_builders[name] ||= []
html_builders[name] << block
end
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def self.build_html(name, ctx = nil)
builders = html_builders[name] || []
builders.map { |b| b.call(ctx) }.join("\n").html_safe
end
def self.seed_paths
result = SeedFu.fixture_paths.dup
unless Rails.env.test? && ENV['LOAD_PLUGINS'] != "1"
seed_path_builders.each { |b| result += b.call }
end
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result.uniq
end
VENDORED_CORE_PRETTY_TEXT_MAP = {
"moment.js" => "lib/javascripts/moment.js",
"moment-timezone.js" => "lib/javascripts/moment-timezone-with-data.js"
}
def self.core_asset_for_name(name)
asset = VENDORED_CORE_PRETTY_TEXT_MAP[name]
raise KeyError, "Asset #{name} not found in #{VENDORED_CORE_PRETTY_TEXT_MAP}" unless asset
asset
end
def locales
self.class.locales
end
def javascripts
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self.class.javascripts
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end
def service_workers
self.class.service_workers
end
def stylesheets
self.class.stylesheets
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end
def mobile_stylesheets
self.class.mobile_stylesheets
end
def desktop_stylesheets
self.class.desktop_stylesheets
end
def sass_variables
self.class.sass_variables
end
def handlebars
self.class.handlebars
end
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def self.clear
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self.javascripts = nil
self.service_workers = nil
self.stylesheets = nil
self.mobile_stylesheets = nil
self.desktop_stylesheets = nil
self.sass_variables = nil
self.handlebars = nil
self.locales = nil
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end
def self.reset!
javascripts.clear
service_workers.clear
admin_javascripts.clear
stylesheets.clear
mobile_stylesheets.clear
desktop_stylesheets.clear
sass_variables.clear
serialized_current_user_fields
asset_globs.clear
html_builders.clear
vendored_pretty_text.clear
vendored_core_pretty_text.clear
seed_path_builders.clear
locales.clear
end
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def self.setup(plugin_class)
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registry = DiscoursePluginRegistry.new
plugin = plugin_class.new(registry)
plugin.setup
end
end