108 lines
3.3 KiB
Ruby
108 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require_relative 'compiler'
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# The Sass module.
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#
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# This communicates with Embedded Dart Sass using the Embedded Sass protocol.
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#
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# @example
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# Sass.compile('style.scss')
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#
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# @example
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# Sass.compile_string('h1 { font-size: 40px; }')
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module Sass
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@compiler = nil
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@mutex = Mutex.new
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# rubocop:disable Layout/LineLength
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class << self
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# Compiles the Sass file at +path+ to CSS.
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# @overload compile(path, load_paths: [], charset: true, source_map: false, source_map_include_sources: false, style: :expanded, functions: {}, importers: [], alert_ascii: false, alert_color: nil, fatal_deprecations: [], future_deprecations: [], logger: nil, quiet_deps: false, silence_deprecations: [], verbose: false)
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# @param (see Compiler#compile)
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# @return (see Compiler#compile)
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# @raise (see Compiler#compile)
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# @see Compiler#compile
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def compile(...)
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compiler.compile(...)
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end
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# Compiles a stylesheet whose contents is +source+ to CSS.
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# @overload compile_string(source, importer: nil, load_paths: [], syntax: :scss, url: nil, charset: true, source_map: false, source_map_include_sources: false, style: :expanded, functions: {}, importers: [], alert_ascii: false, alert_color: nil, fatal_deprecations: [], future_deprecations: [], logger: nil, quiet_deps: false, silence_deprecations: [], verbose: false)
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# @param (see Compiler#compile_string)
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# @return (see Compiler#compile_string)
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# @raise (see Compiler#compile_string)
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# @see Compiler#compile_string
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def compile_string(...)
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compiler.compile_string(...)
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end
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# @param (see Compiler#info)
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# @return (see Compiler#info)
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# @raise (see Compiler#info)
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# @see Compiler#info
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def info
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compiler.info
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end
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private
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def compiler
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return @compiler if @compiler
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@mutex.synchronize do
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return @compiler if @compiler
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compiler = Class.new(Compiler) do
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def initialize
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@channel = Compiler.const_get(:Channel).new(Class.new(Compiler.const_get(:Dispatcher)) do
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def initialize
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super
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idle_timeout = 10
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@last_accessed_time = current_time
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Thread.new do
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Thread.current.name = "sass-embedded-connection-reaper-#{@connection.id}"
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duration = idle_timeout
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loop do
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sleep(duration.negative? ? idle_timeout : duration)
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break if @mutex.synchronize do
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raise Errno::EBUSY if _closed?
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duration = idle_timeout - (current_time - @last_accessed_time)
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duration.negative? && _idle? && _close
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end
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end
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close
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rescue Errno::EBUSY
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# do nothing
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end
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end
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private
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def _idle
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super
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@last_accessed_time = current_time
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end
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def current_time
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Process.clock_gettime(Process::CLOCK_MONOTONIC)
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end
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end)
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end
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end.new
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at_exit do
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compiler.close
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end
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@compiler = compiler
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end
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end
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end
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# rubocop:enable Layout/LineLength
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end
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