Module: RequireProfiler

Defined in:
lib/require_profiler/version.rb,
lib/require_profiler.rb,
lib/require_profiler/printer.rb,
lib/require_profiler/reporter.rb,
lib/require_profiler/printer/json.rb,
lib/require_profiler/printer/text.rb,
lib/require_profiler/printer/call_stack.rb

Overview

:nodoc:

Defined Under Namespace

Modules: Printer Classes: Reporter

Constant Summary collapse

VERSION = 
"0.1.0"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.reporter ⇒ Object (readonly)

Returns the value of attribute reporter.



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# File 'lib/require_profiler.rb', line 8

def reporter
  @reporter
end

Class Method Details

.start(output: $stdout, format: nil, patterns: nil, exclude_patterns: nil) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/require_profiler.rb', line 10

def start(output: $stdout, format: nil, patterns: nil, exclude_patterns: nil)
  raise ArgumentError, "There is already profiling in progress" if reporter

  reporter = @reporter = Reporter.new(printer: Printer.resolve(output, format))

  require "require-hooks/setup"

  ::RequireHooks.around_load(patterns:, exclude_patterns:) do |path, &block|
    start = Time.now

    reporter.handle_event(Reporter::Event.new(type: :start, path:))

    block.call
  ensure
    time = Time.now - start
    reporter.handle_event(Reporter::Event.new(type: :end, path:, time:))
  end
end

.stop ⇒ Object 



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# File 'lib/require_profiler.rb', line 29

def stop
  raise "No reporter defined. Are you sure you called RequireProfiler.start?" unless reporter

  reporter.finish.tap do
    @reporter = nil
  end
end