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# frozen_string_literal: true
# JsRegex converts ::Regexp instances to JavaScript.
#
# Usage:
#
# js_regex = JsRegex.new(my_ruby_regex)
# js_regex.to_h # for use in 'new RegExp()'
# js_regex.to_s # for direct injection into JavaScript
#
class JsRegex
require_relative File.join('js_regex', 'conversion')
require_relative File.join('js_regex', 'error')
require_relative File.join('js_regex', 'version')
require 'json'
attr_reader :source, :options, :warnings, :target
def initialize(ruby_regex, **kwargs)
@source, @options, @warnings, @target = Conversion.of(ruby_regex, **kwargs)
end
def to_h
{ source: source, options: options }
end
def to_json(options = {})
to_h.to_json(options)
end
def to_s
"/#{source.empty? ? '(?:)' : source}/#{options}"
end
# @raise JsRegex::ConversionError
def self.new!(ruby_regex, **kwargs)
new(ruby_regex, fail_fast: true, **kwargs)
end
def self.compatible?(ruby_regex, **kwargs)
new!(ruby_regex, **kwargs)
true
rescue ConversionError
false
end
ConversionError = Class.new(StandardError).send(:include, JsRegex::Error)
end
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