To explain that, I can only really point you at xkcd:927 <https://xkcd.com/927/> again :) - Leszek
On Fri, Nov 13, 2020 at 4:47 PM anlex N <[email protected]> wrote: > > so many repetitive things. by the way, v8(GN) and nodejs(Makefile), why > not use same build system? oh my god. i think cmake is good choice. > On Friday, November 13, 2020 at 5:26:48 PM UTC+8 [email protected] > wrote: > >> One of my colleagues made a great additional point, that there's not >> really such a thing as "letting d8 replace node" -- Google could >> theoretically build d8 into an npm-compatible node competitor, but then >> that's really just xkcd:927 <https://xkcd.com/927/>. >> >> - Leszek >> >> On Fri, Nov 13, 2020 at 10:21 AM Leszek Swirski <[email protected]> >> wrote: >> >>> Simply put, because Node.js is huge and does a _lot_ more than just >>> running Javascript. d8 is very much just a simple internal debugging tool, >>> and we want it to stay that way -- otherwise it'll be hard to tell if the >>> issue we're seeing is in "d8 Node" or in V8, and it'll be harder to add >>> support for new language features (since hacking them into d8 is way easier >>> than properly wiring them up in Node). It's definitely the case, for >>> example, that we find it easier to add new features to d8 than to Chromium, >>> even though both are "official" embedders! We do support Node.js as a >>> first-class client though, we help when they have V8 issues and we run a >>> Node.js build as part of our "commit queue" so that every V8 commit is also >>> tested against Node.js. >>> >>> Besides, there's value in Node.js being separate from V8. For example, >>> there's a fork of Node that uses ChakraCore >>> <https://github.com/nodejs/node-chakracore> (from IE) as the JavaScript >>> engine instead of V8, and there's similar projects using JSC (from Safari) >>> and SpiderMonkey (from Firefox); this sort of thing would be harder if Node >>> was part of V8. Also, people associated with Node this way don't have to be >>> associated with Google, and can represent Node's interests better in, for >>> example, TC39 when discussing the JS language. >>> >>> Overall, TL;DR, it's good to have big projects be separate, and keep >>> small test runners small. >>> >>> - Leszek >>> >>> On Fri, Nov 13, 2020 at 9:55 AM anlex N <[email protected]> wrote: >>> >>>> why not let d8 replace nodejs? d8 is official and can add nodejs >>>> strength, such like npm. by the way, there is deno <https://deno.land/> in >>>> js world that also use v8. oh my god, so many embedders. i hope google can >>>> have official embedders such like d8/nodejs/deno. >>>> On Friday, November 13, 2020 at 4:34:04 PM UTC+8 [email protected] >>>> wrote: >>>> >>>>> Hi, >>>>> >>>>> You can think of V8 as a library used for compiling and running >>>>> Javascript. Chrome/Chromium, d8 and Node.js are all "embedders" of V8, >>>>> i.e. >>>>> applications that use this library. d8 is a very simple, minimal wrapper >>>>> around the library that we use primarily for debugging, testing, and as a >>>>> "demo" of how to use the V8 API. Node.js is a larger application that adds >>>>> a whole bunch of stuff on top of V8, for example 'requires' for module >>>>> loading, file access APIs, all the server stuff, etc etc. You can think of >>>>> the difference as "d8 runs Javascript code" and "Node.js runs programs >>>>> written for Node, using Javascript as the language". If you just want to >>>>> run an algorithm written in Javascript, d8 is fine, but if you want to run >>>>> something that uses npm packages, you need Node. >>>>> >>>>> Hope that helps, >>>>> Leszek >>>>> >>>>> On Fri, Nov 13, 2020 at 9:25 AM anlex N <[email protected]> wrote: >>>>> >>>>>> i am fresh student that learning v8 and nodejs source code, today i >>>>>> am learning v8 docs step by step, i know v8 have built in d8 *that >>>>>> can directly run javascript file*, but i don't know *why we still >>>>>> need nodejs run javascript file.* >>>>>> >>>>>> -- >>>>>> -- >>>>>> v8-dev mailing list >>>>>> [email protected] >>>>>> http://groups.google.com/group/v8-dev >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "v8-dev" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/v8-dev/62dcd603-069a-46bc-98d3-615aa9b16596n%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/v8-dev/62dcd603-069a-46bc-98d3-615aa9b16596n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>> -- >>>> v8-dev mailing list >>>> [email protected] >>>> http://groups.google.com/group/v8-dev >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "v8-dev" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/v8-dev/cc4b992c-48b2-43fa-8e24-e29bc59de17dn%40googlegroups.com >>>> <https://groups.google.com/d/msgid/v8-dev/cc4b992c-48b2-43fa-8e24-e29bc59de17dn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- > -- > v8-dev mailing list > [email protected] > http://groups.google.com/group/v8-dev > --- > You received this message because you are subscribed to the Google Groups > "v8-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-dev/47dedad4-7f72-4bd1-80e5-b35cef5f9da2n%40googlegroups.com > <https://groups.google.com/d/msgid/v8-dev/47dedad4-7f72-4bd1-80e5-b35cef5f9da2n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. 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