Exception: Exception

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# File 'opal/opal/corelib/error.rb', line 34
def initialize(*args)
 # using self.message aka @message to retain compatibility with native exception's message property
 `self.message = (args.length > 0) ? args[0] : nil`
end

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# File 'opal/opal/corelib/error.rb', line 30
def self.exception(*args)
 new(*args)
end

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# File 'opal/opal/corelib/error.rb', line 7
def self.new(*args)
 %x{
 var message = (args.length > 0) ? args[0] : nil;
 var error = new self.$$constructor(message);
 error.name = self.$$name;
 error.message = message;
 error.cause = #{$!};
 Opal.send(error, error.$initialize, args);
 // Error.captureStackTrace() will use .name and .toString to build the
 // first line of the stack trace so it must be called after the error
 // has been initialized.
 // https://nodejs.org/dist/latest-v6.x/docs/api/errors.html
 if (Opal.config.enable_stack_trace && Error.captureStackTrace) {
 // Passing Kernel.raise will cut the stack trace from that point above
 Error.captureStackTrace(error, stack_trace_limit);
 }
 return error;
 }
end

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# File 'opal/opal/corelib/error.rb', line 70
def backtrace
 %x{
 if (self.backtrace) {
 // nil is a valid backtrace
 return self.backtrace;
 }
 var backtrace = self.stack;
 if (typeof(backtrace) !== 'undefined' && backtrace.$$is_string) {
 return self.backtrace = correct_backtrace(backtrace.split("\n"));
 }
 else if (backtrace) {
 return self.backtrace = correct_backtrace(backtrace);
 }
 return [];
 }
end

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# File 'opal/opal/corelib/error.rb', line 90
def backtrace_locations
 %x{
 if (self.backtrace_locations) return self.backtrace_locations;
 self.backtrace_locations = #{backtrace&.map do |loc|
 ::Thread::Backtrace::Location.new(loc)
 end}
 return self.backtrace_locations;
 }
end

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# File 'opal/opal/corelib/error.rb', line 100
def cause
 `self.cause || nil`
end

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# File 'opal/opal/corelib/error.rb', line 104
def exception(str = nil)
 %x{
 if (str === nil || self === str) {
 return self;
 }
 var cloned = #{clone};
 cloned.message = str;
 if (self.backtrace) cloned.backtrace = self.backtrace.$dup();
 cloned.stack = self.stack;
 cloned.cause = self.cause;
 return cloned;
 }
end

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# File 'opal/opal/corelib/error.rb', line 124
def full_message(kwargs = nil)
 unless defined? Hash 
 # We are dealing with an unfully loaded Opal library, so we should
 # do with as little as we can.

 return "#{@message}\n#{`self.stack`}"
 end
 kwargs = { highlight: $stderr.tty?, order: :top }.merge(kwargs || {})
 highlight, order = kwargs[:highlight], kwargs[:order]
 ::Kernel .raise  ::ArgumentError , "expected true or false as highlight: #{highlight}" unless [true, false].include? highlight
 ::Kernel .raise  ::ArgumentError , "expected :top or :bottom as order: #{order}" unless %i[topbottom].include? order
 if highlight
 bold_underline = "\e[1;4m"
 bold = "\e[1m"
 reset = "\e[m"
 else
 bold_underline = bold = reset = ''
 end
 bt = backtrace.dup
 bt = caller if !bt || bt.empty?
 first = bt.shift
 msg = "#{first}: "
 msg += "#{bold}#{to_s } (#{bold_underline}#{self.class}#{reset}#{bold})#{reset}\n"
 msg += bt.map { |loc| "\tfrom #{loc}\n" }.join
 msg += cause.full_message(highlight: highlight) if cause
 if order == :bottom
 msg = msg.split("\n").reverse.join("\n")
 msg = "#{bold}Traceback#{reset} (most recent call last):\n" + msg
 end
 msg
end

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# File 'opal/opal/corelib/error.rb', line 165
def inspect
 as_str = to_s 
 as_str.empty? ? self.class.to_s : "#<#{self.class.to_s}: #{to_s }>"
end

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# File 'opal/opal/corelib/error.rb', line 120
def message
 to_s 
end

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# File 'opal/opal/corelib/error.rb', line 170
def set_backtrace(backtrace)
 %x{
 var valid = true, i, ii;
 if (backtrace === nil) {
 self.backtrace = nil;
 self.stack = '';
 } else if (backtrace.$$is_string) {
 self.backtrace = [backtrace];
 self.stack = ' from ' + backtrace;
 } else {
 if (backtrace.$$is_array) {
 for (i = 0, ii = backtrace.length; i < ii; i++) {
 if (!backtrace[i].$$is_string) {
 valid = false;
 break;
 }
 }
 } else {
 valid = false;
 }
 if (valid === false) {
 #{::Kernel .raise  ::TypeError , 'backtrace must be Array of String'}
 }
 self.backtrace = backtrace;
 self.stack = #{`backtrace`.map { |i| ' from ' + i }}.join("\n");
 }
 return backtrace;
 }
end

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# File 'opal/opal/corelib/error.rb', line 204
def to_s 
 # using self.message aka @message to retain compatibility with native exception's message property
 (@message && @message.to_s ) || self.class.to_s
end