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Rack::FirebugLogger
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| module Rack | |
| class FirebugLogger | |
| def initialize(app, options = {}) | |
| @app = app | |
| @options = options | |
| end | |
| def call(env) | |
| status, headers, orig_response = @app.call(env) | |
| return [status, headers, orig_response] unless (headers["Content-Type"] =~ /html/ && env['firebug.logs']) | |
| new_response = Rack::Response.new([], status, headers) | |
| js = generate_js(env['firebug.logs']) | |
| if orig_response.body =~ /<body>/ | |
| orig_response.each do |line| | |
| line.gsub!("</body>", js + "\n</body>") | |
| new_response.write(line) | |
| end | |
| else | |
| new_response.write(orig_response.body + js) | |
| end | |
| new_response.finish | |
| end | |
| private | |
| def generate_js(logs) | |
| js = ["<script type=\"text/javascript\">"] | |
| start_group(js) | |
| logs.each do |level, log| | |
| level = sanitise_level(level) | |
| log.gsub!('"', '\"') | |
| js << "console.#{level.to_s}(\"#{log}\");" | |
| end | |
| end_group(js) | |
| js << "</script>" | |
| js.join("\n") | |
| end | |
| def start_group(js) | |
| if @options[:group] | |
| js << "console.group(\"#{@options[:group]}\");" | |
| end | |
| end | |
| def sanitise_level(level) | |
| [:info, :debug, :warn, :error].include?(level) ? level : :debug | |
| end | |
| def end_group(js) | |
| if @options[:group] | |
| js << "console.groupEnd();" | |
| end | |
| end | |
| end | |
| end |
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