mastodon/lib/tasks/icons.rake

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# frozen_string_literal: true
def download_material_icon(icon, weight: 400, filled: false, size: 20)
url_template = Addressable::Template.new('https://fonts.gstatic.com/s/i/short-term/release/materialsymbolsoutlined/{icon}/{axes}/{size}px.svg')
variant = filled ? '-fill' : ''
axes = []
axes << "wght#{weight}" if weight != 400
axes << 'fill1' if filled
axes = axes.join.presence || 'default'
url = url_template.expand(icon: icon, axes: axes, size: size).to_s
path = Rails.root.join('app', 'javascript', 'material-icons', "#{weight}-#{size}px", "#{icon}#{variant}.svg")
FileUtils.mkdir_p(File.dirname(path))
File.write(path, HTTP.get(url).to_s)
end
def find_used_icons
icons_by_weight_and_size = {}
Dir[Rails.root.join('app', 'javascript', '**', '*.*s*')].map do |path|
File.open(path, 'r') do |file|
pattern = %r{\Aimport .* from '@/material-icons/(?<weight>[0-9]+)-(?<size>[0-9]+)px/(?<icon>[^-]*)(?<fill>-fill)?.svg\?react';}
file.each_line do |line|
match = pattern.match(line)
next if match.blank?
weight = match['weight'].to_i
size = match['size'].to_i
icons_by_weight_and_size[weight] ||= {}
icons_by_weight_and_size[weight][size] ||= Set.new
icons_by_weight_and_size[weight][size] << match['icon']
end
end
end
icons_by_weight_and_size
end
namespace :icons do
desc 'Download used Material Symbols icons'
task download: :environment do
find_used_icons.each do |weight, icons_by_size|
icons_by_size.each do |size, icons|
icons.each do |icon|
download_material_icon(icon, weight: weight, size: size)
download_material_icon(icon, weight: weight, size: size, filled: true)
end
end
end
end
end