The reason node originally used these factories was a limitation in the C++ code <https://groups.google.com/d/msg/nodejs/GTaCdFPlweI/M0q38C3SJpkJ>. However, Isaac has also explained why he prefers not requiring the use of the new keyword<https://groups.google.com/forum/#!msg/nodejs/JI6CUkFksog/CEOMceoQuxQJ> .
On Mon, Apr 15, 2013 at 10:41 AM, Bryce Baril <[email protected]> wrote: > One simple reason could be to allow instanceof checks the http.Server > > -Bryce > > > On Mon, Apr 15, 2013 at 7:36 AM, Joel Brandt <[email protected]>wrote: > >> Hi, >> >> I'm curious about a patter that occurs at multiple places in the core >> node library. >> >> In the http module (and other places), there are both exported >> constructors and exported factory functions for the same objects (e.g. >> http.Server() and http.createServer()). In many cases, the factory >> functions are just wrappers around the constructor. For example, the code >> for http.createServer in v0.8.23 is simply: >> >> exports.createServer = function(requestListener) { >>> return new Server(requestListener); >>> }; >> >> >> Can anyone explain why both are exported? Since createServer exists, I >> assume it's preferable to use that (perhaps for future-proofing one's >> code)? I'd also be interested to read any thoughts about when factory >> functions are preferable to constructors in the JS world. >> >> Thanks, >> -- Joel >> >> -- >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "nodejs" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
