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Versions: 58
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Contents
# MONKEY PATCH: Got tired of having no idea what line server side errors are
# happening on, so I patched this bit of ExecJS so it would dump the whole
# stack trace in the log.
class ExecJS::RubyRacerRuntime::Context < ExecJS::Runtime::Context
def eval(source, options = {})
source = encode(source)
return unless /\S/ =~ source
lock do
begin
unbox @v8_context.eval("(#{source})")
rescue ::V8::JSError, ::V8::Error => e
# Make V8 errors fatal on development, log them on staging/prod
fail e if Rails.env.development?
do_error(e)
end
end # /lock
end
def do_error(e)
puts "========EXECJS ERROR========"
puts js_lines(e.backtrace)
puts "============================"
if e.value["name"] == "SyntaxError"
raise ExecJS::RuntimeError, e.value.to_s
else
raise ExecJS::ProgramError, e.value.to_s
end
end
# Get just the JS related lines of the backtrace, not the 200 levels of rails
# abstraction
def js_lines(backtrace)
first_ruby_line = backtrace.find_index { |line| line.include? 'execjs' }
return backtrace[0...first_ruby_line]
end
end
Version data entries
58 entries across 58 versions & 1 rubygems