discourse/lib/tasks/javascript.rake

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# frozen_string_literal: true
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def public_root
"#{Rails.root}/public"
end
def public_js
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"#{public_root}/javascripts"
end
def vendor_js
"#{Rails.root}/vendor/assets/javascripts"
end
def library_src
"#{Rails.root}/node_modules"
end
def html_for_section(group)
icons = group["icons"].map do |icon|
class_attr = icon["diversity"] ? " class=\"diversity\"" : ""
" {{replace-emoji \":#{icon['name']}:\" (hash lazy=true#{class_attr})}}"
end
<<~HTML
<div class="section" data-section="#{group["name"]}">
<div class="section-header">
<span class="title">{{i18n "emoji_picker.#{group["name"]}"}}</span>
</div>
<div class="section-group">
#{icons.join("\n").strip}
</div>
</div>
HTML
end
def write_template(path, task_name, template)
header = <<~JS
// DO NOT EDIT THIS FILE!!!
// Update it by running `rake javascript:#{task_name}`
JS
basename = File.basename(path)
output_path = "#{Rails.root}/app/assets/javascripts/#{path}"
File.write(output_path, "#{header}\n\n#{template}")
puts "#{basename} created"
%x{yarn run prettier --write #{output_path}}
puts "#{basename} prettified"
end
def write_hbs_template(path, task_name, template)
header = <<~HBS
{{!-- DO NOT EDIT THIS FILE!!! --}}
{{!-- Update it by running `rake javascript:#{task_name}` --}}
HBS
basename = File.basename(path)
output_path = "#{Rails.root}/app/assets/javascripts/#{path}"
File.write(output_path, "#{header}\n#{template}")
puts "#{basename} created"
end
def dependencies
[
{
source: 'ace-builds/src-min-noconflict/ace.js',
destination: 'ace.js',
public: true
}, {
source: '@json-editor/json-editor/dist/jsoneditor.js',
package_name: '@json-editor/json-editor',
public: true
}, {
source: 'chart.js/dist/chart.min.js',
public: true
}, {
source: 'chartjs-plugin-datalabels/dist/chartjs-plugin-datalabels.min.js',
public: true
}, {
source: 'diffhtml/dist/diffhtml.min.js',
public: true
}, {
source: 'magnific-popup/dist/jquery.magnific-popup.min.js',
public: true
}, {
source: 'pikaday/pikaday.js',
public: true
}, {
source: '@highlightjs/cdn-assets/.',
destination: 'highlightjs'
}, {
source: 'markdown-it/dist/markdown-it.js'
}, {
source: 'moment/moment.js'
}, {
source: 'moment/locale/.',
destination: 'moment-locale',
}, {
source: 'moment-timezone/builds/moment-timezone-with-data-10-year-range.js',
destination: 'moment-timezone-with-data.js'
}, {
source: '@discourse/moment-timezone-names-translations/locales/.',
destination: 'moment-timezone-names-locale'
}, {
source: 'workbox-sw/build/.',
destination: 'workbox',
public: true,
skip_versioning: true
}, {
source: 'workbox-routing/build/.',
destination: 'workbox',
public: true,
skip_versioning: true
}, {
source: 'workbox-core/build/.',
destination: 'workbox',
public: true,
skip_versioning: true
}, {
source: 'workbox-strategies/build/.',
destination: 'workbox',
public: true,
skip_versioning: true
}, {
source: 'workbox-expiration/build/.',
destination: 'workbox',
public: true,
skip_versioning: true
}, {
source: 'workbox-cacheable-response/build/.',
destination: 'workbox',
skip_versioning: true,
public: true
},
{
source: 'squoosh/codecs/mozjpeg/enc/mozjpeg_enc.js',
destination: 'squoosh',
public: true,
skip_versioning: true
},
{
source: 'squoosh/codecs/mozjpeg/enc/mozjpeg_enc.wasm',
destination: 'squoosh',
public: true,
skip_versioning: true
},
{
source: 'squoosh/codecs/resize/pkg/squoosh_resize.js',
destination: 'squoosh',
public: true,
skip_versioning: true
},
{
source: 'squoosh/codecs/resize/pkg/squoosh_resize_bg.wasm',
destination: 'squoosh',
public: true,
skip_versioning: true
}
]
end
def node_package_name(f)
f[:package_name] || f[:source].split('/').first
end
def public_path_name(f)
f[:destination] || node_package_name(f)
end
def absolute_sourcemap(dest)
File.open(dest) do |file|
contents = file.read
contents.gsub!(/sourceMappingURL=(.*)/, 'sourceMappingURL=/\1')
File.open(dest, "w+") { |d| d.write(contents) }
end
end
task 'javascript:update_constants' => :environment do
task_name = 'update_constants'
write_template("discourse/app/lib/constants.js", task_name, <<~JS)
export const SEARCH_PRIORITIES = #{Searchable::PRIORITIES.to_json};
export const SEARCH_PHRASE_REGEXP = '#{Search::PHRASE_MATCH_REGEXP_PATTERN}';
JS
pretty_notifications = Notification.types.map do |n|
" #{n[0]}: #{n[1]},"
end.join("\n")
write_template("discourse/tests/fixtures/concerns/notification-types.js", task_name, <<~JS)
export const NOTIFICATION_TYPES = {
#{pretty_notifications}
};
JS
write_template("pretty-text/addon/emoji/data.js", task_name, <<~JS)
export const emojis = #{Emoji.standard.map(&:name).flatten.inspect};
export const tonableEmojis = #{Emoji.tonable_emojis.flatten.inspect};
export const aliases = #{Emoji.aliases.inspect.gsub("=>", ":")};
export const searchAliases = #{Emoji.search_aliases.inspect.gsub("=>", ":")};
export const translations = #{Emoji.translations.inspect.gsub("=>", ":")};
export const replacements = #{Emoji.unicode_replacements_json};
JS
write_template("pretty-text/addon/emoji/version.js", task_name, <<~JS)
export const IMAGE_VERSION = "#{Emoji::EMOJI_VERSION}";
JS
groups_json = JSON.parse(File.read("lib/emoji/groups.json"))
emoji_buttons = groups_json.map do |group|
<<~HTML
<button type="button" data-section="#{group["name"]}" {{action onCategorySelection "#{group["name"]}"}} class="btn btn-default category-button emoji">
{{replace-emoji ":#{group["tabicon"]}:"}}
</button>
HTML
end
emoji_sections = groups_json.map { |group| html_for_section(group) }
components_dir = "discourse/app/templates/components"
write_hbs_template("#{components_dir}/emoji-group-buttons.hbs", task_name, emoji_buttons.join)
write_hbs_template("#{components_dir}/emoji-group-sections.hbs", task_name, emoji_sections.join)
end
task 'javascript:update' => 'clean_up' do
require 'uglifier'
yarn = system("yarn install")
abort('Unable to run "yarn install"') unless yarn
versions = {}
start = Time.now
dependencies.each do |f|
src = "#{library_src}/#{f[:source]}"
unless f[:destination]
filename = f[:source].split("/").last
else
filename = f[:destination]
end
if src.include? "highlightjs"
puts "Cleanup highlightjs styles and install smaller test bundle"
system("rm -rf node_modules/@highlightjs/cdn-assets/styles")
# We don't need every language for tests
langs = ['javascript', 'sql', 'ruby']
test_bundle_dest = 'vendor/assets/javascripts/highlightjs/highlight-test-bundle.min.js'
File.write(test_bundle_dest, HighlightJs.bundle(langs))
end
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if f[:public_root]
dest = "#{public_root}/#{filename}"
elsif f[:public]
if f[:skip_versioning]
dest = "#{public_js}/#{filename}"
else
package_dir_name = public_path_name(f)
package_version = JSON.parse(File.read("#{library_src}/#{node_package_name(f)}/package.json"))["version"]
versions[filename.downcase] = "#{package_dir_name}/#{package_version}/#{filename}"
path = "#{public_js}/#{package_dir_name}/#{package_version}"
dest = "#{path}/#{filename}"
FileUtils.mkdir_p(path) unless File.exist?(path)
end
else
dest = "#{vendor_js}/#{filename}"
end
if src.include? "ace.js"
versions["ace/ace.js"] = versions.delete("ace.js")
ace_root = "#{library_src}/ace-builds/src-min-noconflict/"
addtl_files = [ "ext-searchbox", "mode-html", "mode-scss", "mode-sql", "theme-chrome", "theme-chaos", "worker-html"]
dest_path = dest.split('/')[0..-2].join('/')
addtl_files.each do |file|
FileUtils.cp_r("#{ace_root}#{file}.js", dest_path)
end
end
unless File.exist?(dest)
STDERR.puts "New dependency added: #{dest}"
end
if f[:uglify]
File.write(dest, Uglifier.new.compile(File.read(src)))
else
FileUtils.cp_r(src, dest)
end
end
write_template("discourse/app/lib/public-js-versions.js", "update", <<~JS)
export const PUBLIC_JS_VERSIONS = #{versions.to_json};
JS
STDERR.puts "Completed copying dependencies: #{(Time.now - start).round(2)} secs"
end
task 'javascript:clean_up' do
processed = []
dependencies.each do |f|
next unless f[:public] && !f[:skip_versioning]
package_dir_name = public_path_name(f)
next if processed.include?(package_dir_name)
versions = Dir["#{File.join(public_js, package_dir_name)}/*"].collect { |p| p.split('/').last }
next unless versions.present?
versions = versions.sort { |a, b| Gem::Version.new(a) <=> Gem::Version.new(b) }
puts "Keeping #{package_dir_name} version: #{versions[-1]}"
# Keep the most recent version
versions[0..-2].each do |version|
remove_path = File.join(public_js, package_dir_name, version)
puts "Removing: #{remove_path}"
FileUtils.remove_dir(remove_path)
end
processed << package_dir_name
end
end